Merge branch 'dev' into master

2024-10-22 05:25:27 +10:00 · 2024-10-22 05:25:27 +10:00 · e8ed8cbfcd
parent 51151293d7 5c78a5e4fe
commit e8ed8cbfcd
125 changed files with 2629 additions and 888 deletions
--- a/.github/workflows/DNS.yml
+++ b/.github/workflows/DNS.yml
@ -1,5 +1,6 @@
 name: DNS
 on:
+  workflow_dispatch:
  push:
    paths:
      - 'dnsapi/*.sh'
@ -280,7 +281,7 @@ jobs:
    - uses: vmactions/openbsd-vm@v1
      with:
        envs: 'TEST_DNS TestingDomain TEST_DNS_NO_WILDCARD TEST_DNS_NO_SUBDOMAIN TEST_DNS_SLEEP CASE TEST_LOCAL DEBUG http_proxy https_proxy TokenName1 TokenName2 TokenName3 TokenName4 TokenName5 ${{ secrets.TokenName1}} ${{ secrets.TokenName2}} ${{ secrets.TokenName3}} ${{ secrets.TokenName4}} ${{ secrets.TokenName5}}'
-        prepare: pkg_add socat curl
+        prepare: pkg_add socat curl libiconv
        usesh: true
        copyback: false
        run: |
--- a/.github/workflows/Linux.yml
+++ b/.github/workflows/Linux.yml
@ -26,7 +26,7 @@ jobs:
  Linux:
    strategy:
      matrix:
-        os: ["ubuntu:latest", "debian:latest", "almalinux:latest", "fedora:latest", "centos:7", "opensuse/leap:latest", "alpine:latest", "oraclelinux:8", "kalilinux/kali", "archlinux:latest", "mageia", "gentoo/stage3"]
+        os: ["ubuntu:latest", "debian:latest", "almalinux:latest", "fedora:latest", "opensuse/leap:latest", "alpine:latest", "oraclelinux:8", "kalilinux/kali", "archlinux:latest", "mageia", "gentoo/stage3"]
    runs-on: ubuntu-latest
    env:
      TEST_LOCAL: 1
--- a/.github/workflows/PebbleStrict.yml
+++ b/.github/workflows/PebbleStrict.yml
@ -37,7 +37,7 @@ jobs:
    - name: Install tools
      run: sudo apt-get install -y socat
    - name: Run Pebble
-      run: cd .. && curl https://raw.githubusercontent.com/letsencrypt/pebble/master/docker-compose.yml >docker-compose.yml && docker-compose up -d
+      run: cd .. && curl https://raw.githubusercontent.com/letsencrypt/pebble/master/docker-compose.yml >docker-compose.yml && docker compose up -d
    - name: Set up Pebble
      run: curl --request POST --data '{"ip":"10.30.50.1"}' http://localhost:8055/set-default-ipv4
    - name: Clone acmetest
--- a/.github/workflows/dockerhub.yml
+++ b/.github/workflows/dockerhub.yml
@ -15,6 +15,8 @@ concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

+env:
+  DOCKER_IMAGE: neilpang/acme.sh

 jobs:
  CheckToken:
@ -44,6 +46,11 @@ jobs:
        uses: actions/checkout@v4
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v2
+      - name: Extract Docker metadata
+        id: meta
+        uses: docker/metadata-action@v5.5.1
+        with:
+          images: ${DOCKER_IMAGE}
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2
      - name: login to docker hub
@ -51,8 +58,6 @@ jobs:
          echo "${{ secrets.DOCKER_PASSWORD }}" | docker login -u "${{ secrets.DOCKER_USERNAME }}" --password-stdin
      - name: build and push the image
        run: |
-          DOCKER_IMAGE=neilpang/acme.sh
-
          if [[ $GITHUB_REF == refs/tags/* ]]; then
            DOCKER_IMAGE_TAG=${GITHUB_REF#refs/tags/}
          fi
@ -66,8 +71,14 @@ jobs:
            fi
          fi

+          DOCKER_LABELS=()
+          while read -r label; do
+            DOCKER_LABELS+=(--label "${label}")
+          done <<<"${DOCKER_METADATA_OUTPUT_LABELS}"
+
          docker buildx build \
            --tag ${DOCKER_IMAGE}:${DOCKER_IMAGE_TAG} \
+            "${DOCKER_LABELS[@]}" \
            --output "type=image,push=true" \
            --build-arg AUTO_UPGRADE=${AUTO_UPGRADE} \
            --platform linux/arm64/v8,linux/amd64,linux/arm/v6,linux/arm/v7,linux/386,linux/ppc64le,linux/s390x .
--- a/.github/workflows/pr_notify.yml
+++ b/.github/workflows/pr_notify.yml
@ -1,4 +1,4 @@
-name: Check dns api
+name: Check notify api

 on:
  pull_request_target:
--- a/acme.sh
+++ b/acme.sh
--- a/deploy/ali_cdn.sh
+++ b/deploy/ali_cdn.sh
@ -0,0 +1,88 @@
+#!/usr/bin/env sh
+# shellcheck disable=SC2034,SC2154
+
+# Script to create certificate to Alibaba Cloud CDN
+#
+# Docs: https://github.com/acmesh-official/acme.sh/wiki/deployhooks#33-deploy-your-certificate-to-cdn-or-dcdn-of-alibaba-cloud-aliyun
+#
+# This deployment required following variables
+# export Ali_Key="ALIACCESSKEY"
+# export Ali_Secret="ALISECRETKEY"
+# The credentials are shared with all the Alibaba Cloud deploy hooks and dnsapi
+#
+# To specify the CDN domain that is different from the certificate CN, usually used for multi-domain or wildcard certificates
+# export DEPLOY_ALI_CDN_DOMAIN="cdn.example.com"
+# If you have multiple CDN domains using the same certificate, just
+# export DEPLOY_ALI_CDN_DOMAIN="cdn1.example.com cdn2.example.com"
+#
+# For DCDN, see ali_dcdn deploy hook
+
+Ali_CDN_API="https://cdn.aliyuncs.com/"
+
+ali_cdn_deploy() {
+  _cdomain="$1"
+  _ckey="$2"
+  _ccert="$3"
+  _cca="$4"
+  _cfullchain="$5"
+
+  _debug _cdomain "$_cdomain"
+  _debug _ckey "$_ckey"
+  _debug _ccert "$_ccert"
+  _debug _cca "$_cca"
+  _debug _cfullchain "$_cfullchain"
+
+  # Load dnsapi/dns_ali.sh to reduce the duplicated codes
+  # https://github.com/acmesh-official/acme.sh/pull/5205#issuecomment-2357867276
+  dnsapi_ali="$(_findHook "$_cdomain" "$_SUB_FOLDER_DNSAPI" dns_ali)"
+  # shellcheck source=/dev/null
+  if ! . "$dnsapi_ali"; then
+    _err "Error loading file $dnsapi_ali. Please check your API file and try again."
+    return 1
+  fi
+
+  _prepare_ali_credentials || return 1
+
+  _getdeployconf DEPLOY_ALI_CDN_DOMAIN
+  if [ "$DEPLOY_ALI_CDN_DOMAIN" ]; then
+    _savedeployconf DEPLOY_ALI_CDN_DOMAIN "$DEPLOY_ALI_CDN_DOMAIN"
+  else
+    DEPLOY_ALI_CDN_DOMAIN="$_cdomain"
+  fi
+
+  # read cert and key files and urlencode both
+  _cert=$(_url_encode upper-hex <"$_cfullchain")
+  _key=$(_url_encode upper-hex <"$_ckey")
+
+  _debug2 _cert "$_cert"
+  _debug2 _key "$_key"
+
+  ## update domain ssl config
+  for domain in $DEPLOY_ALI_CDN_DOMAIN; do
+    _set_cdn_domain_ssl_certificate_query "$domain" "$_cert" "$_key"
+    if _ali_rest "Set CDN domain SSL certificate for $domain" "" POST; then
+      _info "Domain $domain certificate has been deployed successfully"
+    fi
+  done
+
+  return 0
+}
+
+# domain pub pri
+_set_cdn_domain_ssl_certificate_query() {
+  endpoint=$Ali_CDN_API
+  query=''
+  query=$query'AccessKeyId='$Ali_Key
+  query=$query'&Action=SetCdnDomainSSLCertificate'
+  query=$query'&CertType=upload'
+  query=$query'&DomainName='$1
+  query=$query'&Format=json'
+  query=$query'&SSLPri='$3
+  query=$query'&SSLProtocol=on'
+  query=$query'&SSLPub='$2
+  query=$query'&SignatureMethod=HMAC-SHA1'
+  query=$query"&SignatureNonce=$(_ali_nonce)"
+  query=$query'&SignatureVersion=1.0'
+  query=$query'&Timestamp='$(_timestamp)
+  query=$query'&Version=2018-05-10'
+}
--- a/deploy/ali_dcdn.sh
+++ b/deploy/ali_dcdn.sh
@ -0,0 +1,88 @@
+#!/usr/bin/env sh
+# shellcheck disable=SC2034,SC2154
+
+# Script to create certificate to Alibaba Cloud DCDN
+#
+# Docs: https://github.com/acmesh-official/acme.sh/wiki/deployhooks#33-deploy-your-certificate-to-cdn-or-dcdn-of-alibaba-cloud-aliyun
+#
+# This deployment required following variables
+# export Ali_Key="ALIACCESSKEY"
+# export Ali_Secret="ALISECRETKEY"
+# The credentials are shared with all the Alibaba Cloud deploy hooks and dnsapi
+#
+# To specify the DCDN domain that is different from the certificate CN, usually used for multi-domain or wildcard certificates
+# export DEPLOY_ALI_DCDN_DOMAIN="dcdn.example.com"
+# If you have multiple CDN domains using the same certificate, just
+# export DEPLOY_ALI_DCDN_DOMAIN="dcdn1.example.com dcdn2.example.com"
+#
+# For regular CDN, see ali_cdn deploy hook
+
+Ali_DCDN_API="https://dcdn.aliyuncs.com/"
+
+ali_dcdn_deploy() {
+  _cdomain="$1"
+  _ckey="$2"
+  _ccert="$3"
+  _cca="$4"
+  _cfullchain="$5"
+
+  _debug _cdomain "$_cdomain"
+  _debug _ckey "$_ckey"
+  _debug _ccert "$_ccert"
+  _debug _cca "$_cca"
+  _debug _cfullchain "$_cfullchain"
+
+  # Load dnsapi/dns_ali.sh to reduce the duplicated codes
+  # https://github.com/acmesh-official/acme.sh/pull/5205#issuecomment-2357867276
+  dnsapi_ali="$(_findHook "$_cdomain" "$_SUB_FOLDER_DNSAPI" dns_ali)"
+  # shellcheck source=/dev/null
+  if ! . "$dnsapi_ali"; then
+    _err "Error loading file $dnsapi_ali. Please check your API file and try again."
+    return 1
+  fi
+
+  _prepare_ali_credentials || return 1
+
+  _getdeployconf DEPLOY_ALI_DCDN_DOMAIN
+  if [ "$DEPLOY_ALI_DCDN_DOMAIN" ]; then
+    _savedeployconf DEPLOY_ALI_DCDN_DOMAIN "$DEPLOY_ALI_DCDN_DOMAIN"
+  else
+    DEPLOY_ALI_DCDN_DOMAIN="$_cdomain"
+  fi
+
+  # read cert and key files and urlencode both
+  _cert=$(_url_encode upper-hex <"$_cfullchain")
+  _key=$(_url_encode upper-hex <"$_ckey")
+
+  _debug2 _cert "$_cert"
+  _debug2 _key "$_key"
+
+  ## update domain ssl config
+  for domain in $DEPLOY_ALI_DCDN_DOMAIN; do
+    _set_dcdn_domain_ssl_certificate_query "$domain" "$_cert" "$_key"
+    if _ali_rest "Set DCDN domain SSL certificate for $domain" "" POST; then
+      _info "Domain $domain certificate has been deployed successfully"
+    fi
+  done
+
+  return 0
+}
+
+# domain pub pri
+_set_dcdn_domain_ssl_certificate_query() {
+  endpoint=$Ali_DCDN_API
+  query=''
+  query=$query'AccessKeyId='$Ali_Key
+  query=$query'&Action=SetDcdnDomainSSLCertificate'
+  query=$query'&CertType=upload'
+  query=$query'&DomainName='$1
+  query=$query'&Format=json'
+  query=$query'&SSLPri='$3
+  query=$query'&SSLProtocol=on'
+  query=$query'&SSLPub='$2
+  query=$query'&SignatureMethod=HMAC-SHA1'
+  query=$query"&SignatureNonce=$(_ali_nonce)"
+  query=$query'&SignatureVersion=1.0'
+  query=$query'&Timestamp='$(_timestamp)
+  query=$query'&Version=2018-01-15'
+}
--- a/deploy/exim4.sh
+++ b/deploy/exim4.sh
@ -109,6 +109,5 @@ exim4_deploy() {
    fi
    return 1
  fi
-  return 0

 }
--- a/deploy/routeros.sh
+++ b/deploy/routeros.sh
@ -137,7 +137,8 @@ routeros_deploy() {
    return $_err_code
  fi

-  DEPLOY_SCRIPT_CMD="/system script add name=\"LECertDeploy-$_cdomain\" owner=$ROUTER_OS_USERNAME \
+  DEPLOY_SCRIPT_CMD=":do {/system script remove \"LECertDeploy-$_cdomain\" } on-error={ }; \
+/system script add name=\"LECertDeploy-$_cdomain\" owner=$ROUTER_OS_USERNAME \
 comment=\"generated by routeros deploy script in acme.sh\" \
 source=\"/certificate remove [ find name=$_cdomain.cer_0 ];\
 \n/certificate remove [ find name=$_cdomain.cer_1 ];\
@ -146,8 +147,8 @@ source=\"/certificate remove [ find name=$_cdomain.cer_0 ];\
 \n/certificate import file-name=$_cdomain.cer passphrase=\\\"\\\";\
 \n/certificate import file-name=$_cdomain.key passphrase=\\\"\\\";\
 \ndelay 1;\
-\n/file remove $_cdomain.cer;\
-\n/file remove $_cdomain.key;\
+\n:do {/file remove $_cdomain.cer; } on-error={ }\
+\n:do {/file remove $_cdomain.key; } on-error={ }\
 \ndelay 2;\
 \n/ip service set www-ssl certificate=$_cdomain.cer_0;\
 \n$ROUTER_OS_ADDITIONAL_SERVICES;\
--- a/deploy/synology_dsm.sh
+++ b/deploy/synology_dsm.sh
@ -39,7 +39,7 @@
 ################################################################################
 # Dependencies:
 # - curl
-# - synouser & synogroup (When available and SYNO_USE_TEMP_ADMIN is set)
+# - synouser & synogroup & synosetkeyvalue (Required for SYNO_USE_TEMP_ADMIN=1)
 ################################################################################
 # Return value:
 # 0 means success, otherwise error.
@ -66,14 +66,18 @@ synology_dsm_deploy() {
  _getdeployconf SYNO_DEVICE_NAME

  # Prepare to use temp admin if SYNO_USE_TEMP_ADMIN is set
-  _debug2 SYNO_USE_TEMP_ADMIN "$SYNO_USE_TEMP_ADMIN"
  _getdeployconf SYNO_USE_TEMP_ADMIN
  _check2cleardeployconfexp SYNO_USE_TEMP_ADMIN
  _debug2 SYNO_USE_TEMP_ADMIN "$SYNO_USE_TEMP_ADMIN"

  if [ -n "$SYNO_USE_TEMP_ADMIN" ]; then
-    if ! _exists synouser || ! _exists synogroup; then
-      _err "Tools are missing for creating temp admin user, please set SYNO_USERNAME and SYNO_PASSWORD instead."
+    if ! _exists synouser || ! _exists synogroup || ! _exists synosetkeyvalue; then
+      _err "Missing required tools to creat temp admin user, please set SYNO_USERNAME and SYNO_PASSWORD instead."
+      _err "Notice: temp admin user authorization method only supports local deployment on DSM."
+      return 1
+    fi
+    if synouser --help 2>&1 | grep -q 'Permission denied'; then
+      _err "For creating temp admin user, the deploy script must be run as root."
      return 1
    fi

@ -109,9 +113,9 @@ synology_dsm_deploy() {

  # Default values for scheme, hostname and port
  # Defaulting to localhost and http, because it's localhost…
-  [ -n "$SYNO_SCHEME" ] || SYNO_SCHEME="http"
-  [ -n "$SYNO_HOSTNAME" ] || SYNO_HOSTNAME="localhost"
-  [ -n "$SYNO_PORT" ] || SYNO_PORT="5000"
+  [ -n "$SYNO_SCHEME" ] || SYNO_SCHEME=http
+  [ -n "$SYNO_HOSTNAME" ] || SYNO_HOSTNAME=localhost
+  [ -n "$SYNO_PORT" ] || SYNO_PORT=5000
  _savedeployconf SYNO_SCHEME "$SYNO_SCHEME"
  _savedeployconf SYNO_HOSTNAME "$SYNO_HOSTNAME"
  _savedeployconf SYNO_PORT "$SYNO_PORT"
@ -169,7 +173,7 @@ synology_dsm_deploy() {
      _debug3 H1 "${_H1}"
    fi

-    response=$(_post "method=login&account=$encoded_username&passwd=$encoded_password&api=SYNO.API.Auth&version=$api_version&enable_syno_token=yes&otp_code=$DEPRECATED_otp_code&device_name=certrenewal&device_id=$SYNO_DEVICE_ID" "$_base_url/webapi/auth.cgi?enable_syno_token=yes")
+    response=$(_post "method=login&account=$encoded_username&passwd=$encoded_password&api=SYNO.API.Auth&version=$api_version&enable_syno_token=yes&otp_code=$DEPRECATED_otp_code&device_name=certrenewal&device_id=$SYNO_DEVICE_ID" "$_base_url/webapi/$api_path?enable_syno_token=yes")
    _debug3 response "$response"
  # ## END ## - DEPRECATED, for backward compatibility
  # If SYNO_DEVICE_ID or SYNO_OTP_CODE is set, we treat current account enabled 2FA-OTP.
@ -184,7 +188,7 @@ synology_dsm_deploy() {
        _debug SYNO_LOCAL_HOSTNAME "${SYNO_LOCAL_HOSTNAME:-}"
        if [ "$SYNO_LOCAL_HOSTNAME" != "1" ] && [ "$SYNO_LOCAL_HOSTNAME" == "$SYNO_HOSTNAME" ]; then
          if [ "$SYNO_HOSTNAME" != "localhost" ] && [ "$SYNO_HOSTNAME" != "127.0.0.1" ]; then
-            _err "SYNO_USE_TEMP_ADMIN=1 Only support locally deployment, if you are sure that hostname $SYNO_HOSTNAME is targeting to your **current local machine**, execute 'export SYNO_LOCAL_HOSTNAME=1' then rerun."
+            _err "SYNO_USE_TEMP_ADMIN=1 only support local deployment, though if you are sure that the hostname $SYNO_HOSTNAME is targeting to your **current local machine**, execute 'export SYNO_LOCAL_HOSTNAME=1' then rerun."
            return 1
          fi
        fi
@ -201,24 +205,27 @@ synology_dsm_deploy() {
            # shellcheck disable=SC2086
            synogroup --member administrators $cur_admins $SYNO_USERNAME >/dev/null
          else
-            _err "Tool synogroup may be broken, please set SYNO_USERNAME and SYNO_PASSWORD instead."
+            _err "The tool synogroup may be broken, please set SYNO_USERNAME and SYNO_PASSWORD instead."
            return 1
          fi
        else
          _err "Unsupported synogroup tool detected, please set SYNO_USERNAME and SYNO_PASSWORD instead."
          return 1
        fi
-        # havig a workaround to temporary disable enforce 2FA-OTP
+        # havig a workaround to temporary disable enforce 2FA-OTP, will restore
+        # it soon (after a single request), though if any accident occurs like
+        # unexpected interruption, this setting can be easily reverted manually.
        otp_enforce_option=$(synogetkeyvalue /etc/synoinfo.conf otp_enforce_option)
        if [ -n "$otp_enforce_option" ] && [ "${otp_enforce_option:-"none"}" != "none" ]; then
          synosetkeyvalue /etc/synoinfo.conf otp_enforce_option none
-          _info "Temporary disabled enforce 2FA-OTP to complete authentication."
+          _info "Enforcing 2FA-OTP has been disabled to complete temp admin authentication."
+          _info "Notice: it will be restored soon, if not, you can restore it manually via Control Panel."
          _info "previous_otp_enforce_option" "$otp_enforce_option"
        else
          otp_enforce_option=""
        fi
      fi
-      response=$(_get "$_base_url/webapi/entry.cgi?api=SYNO.API.Auth&version=$api_version&method=login&format=sid&account=$encoded_username&passwd=$encoded_password&enable_syno_token=yes")
+      response=$(_get "$_base_url/webapi/$api_path?api=SYNO.API.Auth&version=$api_version&method=login&format=sid&account=$encoded_username&passwd=$encoded_password&enable_syno_token=yes")
      if [ -n "$SYNO_USE_TEMP_ADMIN" ] && [ -n "$otp_enforce_option" ]; then
        synosetkeyvalue /etc/synoinfo.conf otp_enforce_option "$otp_enforce_option"
        _info "Restored previous enforce 2FA-OTP option."
@ -230,7 +237,7 @@ synology_dsm_deploy() {
  error_code=$(echo "$response" | grep '"error":' | grep -o '"code":[0-9]*' | grep -o '[0-9]*')
  _debug2 error_code "$error_code"
  # Account has 2FA-OTP enabled, since error 403 reported.
-  # https://global.download.synology.com/download/Document/Software/DeveloperGuide/Firmware/DSM/All/enu/Synology_DiskStation_Administration_CLI_Guide.pdf
+  # https://global.download.synology.com/download/Document/Software/DeveloperGuide/Os/DSM/All/enu/DSM_Login_Web_API_Guide_enu.pdf
  if [ "$error_code" == "403" ]; then
    if [ -z "$SYNO_DEVICE_NAME" ]; then
      printf "Enter device name or leave empty for default (CertRenewal): "
@ -274,12 +281,16 @@ synology_dsm_deploy() {
      _err "Failed to authenticate with provided 2FA-OTP code, please try again in a new terminal window."
    elif [ "$error_code" == "406" ]; then
      if [ -n "$SYNO_USE_TEMP_ADMIN" ]; then
-        _err "SYNO_USE_TEMP_ADMIN=1 is not supported if enforce auth with 2FA-OTP is enabled."
+        _err "Failed with unexcepted error, please report this by providing full log with '--debug 3'."
      else
        _err "Enforce auth with 2FA-OTP enabled, please configure the user to enable 2FA-OTP to continue."
      fi
-    elif [ "$error_code" == "400" ] || [ "$error_code" == "401" ] || [ "$error_code" == "408" ] || [ "$error_code" == "409" ] || [ "$error_code" == "410" ]; then
-      _err "Failed to authenticate with a non-existent or disabled account, or the account password is incorrect or has expired."
+    elif [ "$error_code" == "400" ]; then
+      _err "Failed to authenticate, no such account or incorrect password."
+    elif [ "$error_code" == "401" ]; then
+      _err "Failed to authenticate with a non-existent account."
+    elif [ "$error_code" == "408" ] || [ "$error_code" == "409" ] || [ "$error_code" == "410" ]; then
+      _err "Failed to authenticate, the account password has expired or must be changed."
    else
      _err "Failed to authenticate with error: $error_code."
    fi
@ -293,7 +304,7 @@ synology_dsm_deploy() {
  _debug SynoToken "$token"
  if [ -z "$sid" ] || [ -z "$token" ]; then
    # Still can't get necessary info even got no errors, may Synology have API updated?
-    _err "Unable to authenticate to $_base_url, you may report the full log to the community."
+    _err "Unable to authenticate to $_base_url, you may report this by providing full log with '--debug 3'."
    _temp_admin_cleanup "$SYNO_USE_TEMP_ADMIN" "$SYNO_USERNAME"
    return 1
  fi
@ -331,7 +342,7 @@ synology_dsm_deploy() {
    if [ "$error_code" -eq 105 ]; then
      _err "Current user is not administrator and does not have sufficient permission for deploying."
    else
-      _err "Failed to fetch certificate info with error: $error_code, please try again or contact Synology to learn more."
+      _err "Failed to fetch certificate info: $error_code, please try again or contact Synology to learn more."
    fi
    _temp_admin_cleanup "$SYNO_USE_TEMP_ADMIN" "$SYNO_USERNAME"
    return 1
--- a/deploy/unifi.sh
+++ b/deploy/unifi.sh
@ -5,6 +5,15 @@
 #   - self-hosted Unifi Controller
 #   - Unifi Cloud Key (Gen1/2/2+)
 #   - Unifi Cloud Key running UnifiOS (v2.0.0+, Gen2/2+ only)
+#   - Unifi Dream Machine
+#       This has not been tested on other "all-in-one" devices such as
+#       UDM Pro or Unifi Express.
+#
+#       OS Version v2.0.0+
+#       Network Application version 7.0.0+
+#       OS version ~3.1 removed java and keytool from the UnifiOS.
+#       Using PKCS12 format keystore appears to work fine.
+#
 # Please report bugs to https://github.com/acmesh-official/acme.sh/issues/3359

 #returns 0 means success, otherwise error.
@ -74,14 +83,16 @@ unifi_deploy() {
  _reload_cmd=""

  # Unifi Controller environment (self hosted or any Cloud Key) --
-  # auto-detect by file /usr/lib/unifi/data/keystore:
+  # auto-detect by file /usr/lib/unifi/data/keystore
  _unifi_keystore="${DEPLOY_UNIFI_KEYSTORE:-/usr/lib/unifi/data/keystore}"
  if [ -f "$_unifi_keystore" ]; then
-    _info "Installing certificate for Unifi Controller (Java keystore)"
    _debug _unifi_keystore "$_unifi_keystore"
    if ! _exists keytool; then
-      _err "keytool not found"
-      return 1
+      _do_keytool=0
+      _info "Installing certificate for Unifi Controller (PKCS12 keystore)."
+    else
+      _do_keytool=1
+      _info "Installing certificate for Unifi Controller (Java keystore)"
    fi
    if [ ! -w "$_unifi_keystore" ]; then
      _err "The file $_unifi_keystore is not writable, please change the permission."
@ -92,6 +103,7 @@ unifi_deploy() {

    _debug "Generate import pkcs12"
    _import_pkcs12="$(_mktemp)"
+    _debug "_toPkcs $_import_pkcs12 $_ckey $_ccert $_cca $_unifi_keypass unifi root"
    _toPkcs "$_import_pkcs12" "$_ckey" "$_ccert" "$_cca" "$_unifi_keypass" unifi root
    # shellcheck disable=SC2181
    if [ "$?" != "0" ]; then
@ -99,22 +111,57 @@ unifi_deploy() {
      return 1
    fi

-    _debug "Import into keystore: $_unifi_keystore"
-    if keytool -importkeystore \
-      -deststorepass "$_unifi_keypass" -destkeypass "$_unifi_keypass" -destkeystore "$_unifi_keystore" \
-      -srckeystore "$_import_pkcs12" -srcstoretype PKCS12 -srcstorepass "$_unifi_keypass" \
-      -alias unifi -noprompt; then
-      _debug "Import keystore success!"
-      rm "$_import_pkcs12"
+    # Save the existing keystore in case something goes wrong.
+    mv -f "${_unifi_keystore}" "${_unifi_keystore}"_original
+    _info "Previous keystore saved to ${_unifi_keystore}_original."
+
+    if [ "$_do_keytool" -eq 1 ]; then
+      _debug "Import into keystore: $_unifi_keystore"
+      if keytool -importkeystore \
+        -deststorepass "$_unifi_keypass" -destkeypass "$_unifi_keypass" -destkeystore "$_unifi_keystore" \
+        -srckeystore "$_import_pkcs12" -srcstoretype PKCS12 -srcstorepass "$_unifi_keypass" \
+        -alias unifi -noprompt; then
+        _debug "Import keystore success!"
+      else
+        _err "Error importing into Unifi Java keystore."
+        _err "Please re-run with --debug and report a bug."
+        _info "Restoring original keystore."
+        mv -f "${_unifi_keystore}"_original "${_unifi_keystore}"
+        rm "$_import_pkcs12"
+        return 1
+      fi
    else
-      _err "Error importing into Unifi Java keystore."
-      _err "Please re-run with --debug and report a bug."
-      rm "$_import_pkcs12"
-      return 1
+      _debug "Copying new keystore to $_unifi_keystore"
+      cp -f "$_import_pkcs12" "$_unifi_keystore"
    fi

+    # Update unifi service for certificate cipher compatibility
+    if ${ACME_OPENSSL_BIN:-openssl} pkcs12 \
+      -in "$_import_pkcs12" \
+      -password pass:aircontrolenterprise \
+      -nokeys | ${ACME_OPENSSL_BIN:-openssl} x509 -text \
+      -noout | grep -i "signature" | grep -iq ecdsa >/dev/null 2>&1; then
+      cp -f /usr/lib/unifi/data/system.properties /usr/lib/unifi/data/system.properties_original
+      _info "Updating system configuration for cipher compatibility."
+      _info "Saved original system config to /usr/lib/unifi/data/system.properties_original"
+      sed -i '/unifi\.https\.ciphers/d' /usr/lib/unifi/data/system.properties
+      echo "unifi.https.ciphers=ECDHE-ECDSA-AES256-GCM-SHA384,ECDHE-RSA-AES128-GCM-SHA256" >>/usr/lib/unifi/data/system.properties
+      sed -i '/unifi\.https\.sslEnabledProtocols/d' /usr/lib/unifi/data/system.properties
+      echo "unifi.https.sslEnabledProtocols=TLSv1.3,TLSv1.2" >>/usr/lib/unifi/data/system.properties
+      _info "System configuration updated."
+    fi
+
+    rm "$_import_pkcs12"
+
+    # Restarting unifi-core will bring up unifi, doing it out of order results in
+    # a certificate error, and breaks wifiman.
+    # Restart if we aren't doing unifi-core, otherwise stop for later restart.
    if systemctl -q is-active unifi; then
-      _reload_cmd="${_reload_cmd:+$_reload_cmd && }service unifi restart"
+      if [ ! -f "${DEPLOY_UNIFI_CORE_CONFIG:-/data/unifi-core/config}/unifi-core.key" ]; then
+        _reload_cmd="${_reload_cmd:+$_reload_cmd && }systemctl restart unifi"
+      else
+        _reload_cmd="${_reload_cmd:+$_reload_cmd && }systemctl stop unifi"
+      fi
    fi
    _services_updated="${_services_updated} unifi"
    _info "Install Unifi Controller certificate success!"
@ -165,6 +212,11 @@ unifi_deploy() {
      return 1
    fi

+    # Save the existing certs in case something goes wrong.
+    cp -f "${_unifi_core_config}"/unifi-core.crt "${_unifi_core_config}"/unifi-core_original.crt
+    cp -f "${_unifi_core_config}"/unifi-core.key "${_unifi_core_config}"/unifi-core_original.key
+    _info "Previous certificate and key saved to ${_unifi_core_config}/unifi-core_original.crt/key."
+
    cat "$_cfullchain" >"${_unifi_core_config}/unifi-core.crt"
    cat "$_ckey" >"${_unifi_core_config}/unifi-core.key"

--- a/deploy/vault.sh
+++ b/deploy/vault.sh
@ -70,10 +70,10 @@ vault_deploy() {

  # JSON does not allow multiline strings.
  # So replacing new-lines with "\n" here
-  _ckey=$(sed -z 's/\n/\\n/g' <"$2")
-  _ccert=$(sed -z 's/\n/\\n/g' <"$3")
-  _cca=$(sed -z 's/\n/\\n/g' <"$4")
-  _cfullchain=$(sed -z 's/\n/\\n/g' <"$5")
+  _ckey=$(sed -e ':a' -e N -e '$ ! ba' -e 's/\n/\\n/g' <"$2")
+  _ccert=$(sed -e ':a' -e N -e '$ ! ba' -e 's/\n/\\n/g' <"$3")
+  _cca=$(sed -e ':a' -e N -e '$ ! ba' -e 's/\n/\\n/g' <"$4")
+  _cfullchain=$(sed -e ':a' -e N -e '$ ! ba' -e 's/\n/\\n/g' <"$5")

  export _H1="X-Vault-Token: $VAULT_TOKEN"

--- a/deploy/vsftpd.sh
+++ b/deploy/vsftpd.sh
@ -106,5 +106,5 @@ vsftpd_deploy() {
    fi
    return 1
  fi
-  return 0
+
 }
--- a/dnsapi/dns_1984hosting.sh
+++ b/dnsapi/dns_1984hosting.sh
@ -211,8 +211,8 @@ _get_root() {
      return 1
    fi

-    _authget "https://1984.hosting/domains/soacheck/?zone=$h&nameserver=ns0.1984.is."
-    if _contains "$_response" "serial" && ! _contains "$_response" "null"; then
+    _authget "https://1984.hosting/domains/zonestatus/$h/?cached=no"
+    if _contains "$_response" '"ok": true'; then
      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-"$p")
      _domain="$h"
      return 0
@ -246,7 +246,6 @@ _authget() {
 }

 # Truncate huge HTML response
-# Echo: Argument list too long
 _htmlget() {
  export _H1="Cookie: $One984HOSTING_CSRFTOKEN_COOKIE; $One984HOSTING_SESSIONID_COOKIE"
  _response=$(_get "$1" | grep "$2")
--- a/dnsapi/dns_active24.sh
+++ b/dnsapi/dns_active24.sh
@ -83,10 +83,10 @@ _get_root() {
    return 1
  fi

-  i=2
+  i=1
  p=1
  while true; do
-    h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    h=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
    _debug "h" "$h"
    if [ -z "$h" ]; then
      #not valid
@ -94,7 +94,7 @@ _get_root() {
    fi

    if _contains "$response" "\"$h\"" >/dev/null; then
-      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
+      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-"$p")
      _domain=$h
      return 0
    fi
--- a/dnsapi/dns_ad.sh
+++ b/dnsapi/dns_ad.sh
@ -95,7 +95,7 @@ _get_root() {
  if _ad_rest GET "domain/"; then
    response="$(echo "$response" | tr -d "\n" | sed 's/{/\n&/g')"
    while true; do
-      h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+      h=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
      _debug h "$h"
      if [ -z "$h" ]; then
        #not valid
@ -106,7 +106,7 @@ _get_root() {
      if [ "$hostedzone" ]; then
        _domain_id=$(printf "%s\n" "$hostedzone" | _egrep_o "\"id\":\s*[0-9]+" | _head_n 1 | cut -d : -f 2 | tr -d \ )
        if [ "$_domain_id" ]; then
-          _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
+          _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-"$p")
          _domain=$h
          return 0
        fi
--- a/dnsapi/dns_ali.sh
+++ b/dnsapi/dns_ali.sh
@ -9,25 +9,19 @@ Options:
 Ali_Secret API Secret
 '

-Ali_API="https://alidns.aliyuncs.com/"
+# NOTICE:
+# This file is referenced by Alibaba Cloud Services deploy hooks
+# https://github.com/acmesh-official/acme.sh/pull/5205#issuecomment-2357867276
+# Be careful when modifying this file, especially when making breaking changes for common functions
+
+Ali_DNS_API="https://alidns.aliyuncs.com/"

 #Usage: dns_ali_add   _acme-challenge.www.domain.com   "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
 dns_ali_add() {
  fulldomain=$1
  txtvalue=$2

-  Ali_Key="${Ali_Key:-$(_readaccountconf_mutable Ali_Key)}"
-  Ali_Secret="${Ali_Secret:-$(_readaccountconf_mutable Ali_Secret)}"
-  if [ -z "$Ali_Key" ] || [ -z "$Ali_Secret" ]; then
-    Ali_Key=""
-    Ali_Secret=""
-    _err "You don't specify aliyun api key and secret yet."
-    return 1
-  fi
-
-  #save the api key and secret to the account conf file.
-  _saveaccountconf_mutable Ali_Key "$Ali_Key"
-  _saveaccountconf_mutable Ali_Secret "$Ali_Secret"
+  _prepare_ali_credentials || return 1

  _debug "First detect the root zone"
  if ! _get_root "$fulldomain"; then
@ -52,14 +46,74 @@ dns_ali_rm() {
  _clean
 }

-####################  Private functions below ##################################
+####################  Alibaba Cloud common functions below  ####################
+
+_prepare_ali_credentials() {
+  Ali_Key="${Ali_Key:-$(_readaccountconf_mutable Ali_Key)}"
+  Ali_Secret="${Ali_Secret:-$(_readaccountconf_mutable Ali_Secret)}"
+  if [ -z "$Ali_Key" ] || [ -z "$Ali_Secret" ]; then
+    Ali_Key=""
+    Ali_Secret=""
+    _err "You don't specify aliyun api key and secret yet."
+    return 1
+  fi
+
+  #save the api key and secret to the account conf file.
+  _saveaccountconf_mutable Ali_Key "$Ali_Key"
+  _saveaccountconf_mutable Ali_Secret "$Ali_Secret"
+}
+
+# act ign mtd
+_ali_rest() {
+  act="$1"
+  ign="$2"
+  mtd="${3:-GET}"
+
+  signature=$(printf "%s" "$mtd&%2F&$(printf "%s" "$query" | _url_encode upper-hex)" | _hmac "sha1" "$(printf "%s" "$Ali_Secret&" | _hex_dump | tr -d " ")" | _base64)
+  signature=$(printf "%s" "$signature" | _url_encode upper-hex)
+  url="$endpoint?Signature=$signature"
+
+  if [ "$mtd" = "GET" ]; then
+    url="$url&$query"
+    response="$(_get "$url")"
+  else
+    response="$(_post "$query" "$url" "" "$mtd" "application/x-www-form-urlencoded")"
+  fi
+
+  _ret="$?"
+  _debug2 response "$response"
+  if [ "$_ret" != "0" ]; then
+    _err "Error <$act>"
+    return 1
+  fi
+
+  if [ -z "$ign" ]; then
+    message="$(echo "$response" | _egrep_o "\"Message\":\"[^\"]*\"" | cut -d : -f 2 | tr -d \")"
+    if [ "$message" ]; then
+      _err "$message"
+      return 1
+    fi
+  fi
+}
+
+_ali_nonce() {
+  #_head_n 1 </dev/urandom | _digest "sha256" hex | cut -c 1-31
+  #Not so good...
+  date +"%s%N" | sed 's/%N//g'
+}
+
+_timestamp() {
+  date -u +"%Y-%m-%dT%H%%3A%M%%3A%SZ"
+}
+
+####################  Private functions below  ####################

 _get_root() {
  domain=$1
-  i=2
+  i=1
  p=1
  while true; do
-    h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    h=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
    if [ -z "$h" ]; then
      #not valid
      return 1
@ -71,7 +125,7 @@ _get_root() {
    fi

    if _contains "$response" "PageNumber"; then
-      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
+      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-"$p")
      _debug _sub_domain "$_sub_domain"
      _domain="$h"
      _debug _domain "$_domain"
@ -83,52 +137,10 @@ _get_root() {
  return 1
 }

-_ali_rest() {
-  signature=$(printf "%s" "GET&%2F&$(_ali_urlencode "$query")" | _hmac "sha1" "$(printf "%s" "$Ali_Secret&" | _hex_dump | tr -d " ")" | _base64)
-  signature=$(_ali_urlencode "$signature")
-  url="$Ali_API?$query&Signature=$signature"
-
-  if ! response="$(_get "$url")"; then
-    _err "Error <$1>"
-    return 1
-  fi
-
-  _debug2 response "$response"
-  if [ -z "$2" ]; then
-    message="$(echo "$response" | _egrep_o "\"Message\":\"[^\"]*\"" | cut -d : -f 2 | tr -d \")"
-    if [ "$message" ]; then
-      _err "$message"
-      return 1
-    fi
-  fi
-}
-
-_ali_urlencode() {
-  _str="$1"
-  _str_len=${#_str}
-  _u_i=1
-  while [ "$_u_i" -le "$_str_len" ]; do
-    _str_c="$(printf "%s" "$_str" | cut -c "$_u_i")"
-    case $_str_c in [a-zA-Z0-9.~_-])
-      printf "%s" "$_str_c"
-      ;;
-    *)
-      printf "%%%02X" "'$_str_c"
-      ;;
-    esac
-    _u_i="$(_math "$_u_i" + 1)"
-  done
-}
-
-_ali_nonce() {
-  #_head_n 1 </dev/urandom | _digest "sha256" hex | cut -c 1-31
-  #Not so good...
-  date +"%s%N" | sed 's/%N//g'
-}
-
 _check_exist_query() {
  _qdomain="$1"
  _qsubdomain="$2"
+  endpoint=$Ali_DNS_API
  query=''
  query=$query'AccessKeyId='$Ali_Key
  query=$query'&Action=DescribeDomainRecords'
@ -144,6 +156,7 @@ _check_exist_query() {
 }

 _add_record_query() {
+  endpoint=$Ali_DNS_API
  query=''
  query=$query'AccessKeyId='$Ali_Key
  query=$query'&Action=AddDomainRecord'
@ -160,6 +173,7 @@ _add_record_query() {
 }

 _delete_record_query() {
+  endpoint=$Ali_DNS_API
  query=''
  query=$query'AccessKeyId='$Ali_Key
  query=$query'&Action=DeleteDomainRecord'
@ -173,6 +187,7 @@ _delete_record_query() {
 }

 _describe_records_query() {
+  endpoint=$Ali_DNS_API
  query=''
  query=$query'AccessKeyId='$Ali_Key
  query=$query'&Action=DescribeDomainRecords'
@ -203,7 +218,3 @@ _clean() {
  fi

 }
-
-_timestamp() {
-  date -u +"%Y-%m-%dT%H%%3A%M%%3A%SZ"
-}
--- a/dnsapi/dns_alviy.sh
+++ b/dnsapi/dns_alviy.sh
@ -0,0 +1,184 @@
+#!/usr/bin/env sh
+# Alviy domain api
+#
+# Get API key and secret from https://cloud.alviy.com/token
+#
+# Alviy_token="some-secret-key"
+#
+# Ex.: acme.sh --issue --staging --dns dns_alviy -d "*.s.example.com" -d "s.example.com"
+
+Alviy_Api="https://cloud.alviy.com/api/v1"
+
+########  Public functions #####################
+
+#Usage: dns_alviy_add  _acme-challenge.www.domain.com   "content"
+dns_alviy_add() {
+  fulldomain=$1
+  txtvalue=$2
+
+  Alviy_token="${Alviy_token:-$(_readaccountconf_mutable Alviy_token)}"
+  if [ -z "$Alviy_token" ]; then
+    Alviy_token=""
+    _err "Please specify Alviy token."
+    return 1
+  fi
+
+  #save the api key and email to the account conf file.
+  _saveaccountconf_mutable Alviy_token "$Alviy_token"
+
+  _debug "First detect the root zone"
+  if ! _get_root "$fulldomain"; then
+    _err "invalid domain"
+    return 1
+  fi
+
+  _debug _sub_domain "$_sub_domain"
+  _debug _domain "$_domain"
+
+  _debug "Getting existing records"
+  if _alviy_txt_exists "$_domain" "$fulldomain" "$txtvalue"; then
+    _info "This record already exists, skipping"
+    return 0
+  fi
+
+  _add_data="{\"content\":\"$txtvalue\",\"type\":\"TXT\"}"
+  _debug2 _add_data "$_add_data"
+  _info "Adding record"
+  if _alviy_rest POST "zone/$_domain/domain/$fulldomain/" "$_add_data"; then
+    _debug "Checking updated records of '${fulldomain}'"
+
+    if ! _alviy_txt_exists "$_domain" "$fulldomain" "$txtvalue"; then
+      _err "TXT record '${txtvalue}' for '${fulldomain}', value wasn't set!"
+      return 1
+    fi
+
+  else
+    _err "Add txt record error, value '${txtvalue}' for '${fulldomain}' was not set."
+    return 1
+  fi
+
+  _sleep 10
+  _info "Added TXT record '${txtvalue}' for '${fulldomain}'."
+  return 0
+}
+
+#fulldomain
+dns_alviy_rm() {
+  fulldomain=$1
+  txtvalue=$2
+
+  Alviy_token="${Alviy_token:-$(_readaccountconf_mutable Alviy_token)}"
+
+  _debug "First detect the root zone"
+  if ! _get_root "$fulldomain"; then
+    _err "invalid domain"
+    return 1
+  fi
+
+  _debug _sub_domain "$_sub_domain"
+  _debug _domain "$_domain"
+
+  if ! _alviy_txt_exists "$_domain" "$fulldomain" "$txtvalue"; then
+    _info "The record does not exist, skip"
+    return 0
+  fi
+
+  _add_data=""
+  uuid=$(echo "$response" | tr "{" "\n" | grep "$txtvalue" | tr "," "\n" | grep uuid | cut -d \" -f4)
+  # delete record
+  _debug "Delete TXT record for '${fulldomain}'"
+  if ! _alviy_rest DELETE "zone/$_domain/record/$uuid" "{\"confirm\":1}"; then
+    _err "Cannot delete empty TXT record for '$fulldomain'"
+    return 1
+  fi
+  _info "The record '$fulldomain'='$txtvalue' deleted"
+}
+
+####################  Private functions below ##################################
+#_acme-challenge.www.domain.com
+#returns
+# _sub_domain=_acme-challenge.www
+# _domain=domain.com
+_get_root() {
+  domain=$1
+  i=3
+  a="init"
+  while [ -n "$a" ]; do
+    a=$(printf "%s" "$domain" | cut -d . -f $i-)
+    i=$((i + 1))
+  done
+  n=$((i - 3))
+  h=$(printf "%s" "$domain" | cut -d . -f $n-)
+  if [ -z "$h" ]; then
+    #not valid
+    _alviy_rest GET "zone/$domain/"
+    _debug "can't get host from $domain"
+    return 1
+  fi
+
+  if ! _alviy_rest GET "zone/$h/"; then
+    return 1
+  fi
+
+  if _contains "$response" '"code":"NOT_FOUND"'; then
+    _debug "$h not found"
+  else
+    s=$((n - 1))
+    _sub_domain=$(printf "%s" "$domain" | cut -d . -f -$s)
+    _domain="$h"
+    return 0
+  fi
+  return 1
+}
+
+_alviy_txt_exists() {
+  zone=$1
+  domain=$2
+  content_data=$3
+  _debug "Getting existing records"
+
+  if ! _alviy_rest GET "zone/$zone/domain/$domain/TXT/"; then
+    _info "The record does not exist"
+    return 1
+  fi
+
+  if ! _contains "$response" "$3"; then
+    _info "The record has other value"
+    return 1
+  fi
+  # GOOD code return - TRUE function
+  return 0
+}
+
+_alviy_rest() {
+  method=$1
+  path="$2"
+  content_data="$3"
+  _debug "$path"
+
+  export _H1="Authorization: Bearer $Alviy_token"
+  export _H2="Content-Type: application/json"
+
+  if [ "$content_data" ] || [ "$method" = "DELETE" ]; then
+    _debug "data ($method): " "$content_data"
+    response="$(_post "$content_data" "$Alviy_Api/$path" "" "$method")"
+  else
+    response="$(_get "$Alviy_Api/$path")"
+  fi
+  _code="$(grep "^HTTP" "$HTTP_HEADER" | _tail_n 1 | cut -d " " -f 2 | tr -d "\\r\\n")"
+  if [ "$_code" = "401" ]; then
+    _err "It seems that your api key or secret is not correct."
+    return 1
+  fi
+
+  if [ "$_code" != "200" ]; then
+    _err "API call error ($method): $path Response code $_code"
+  fi
+  if [ "$?" != "0" ]; then
+    _err "error on rest call ($method): $path. Response:"
+    _err "$response"
+    return 1
+  fi
+  _debug2 response "$response"
+  return 0
+}
--- a/dnsapi/dns_anx.sh
+++ b/dnsapi/dns_anx.sh
@ -130,18 +130,17 @@ _get_root() {
  i=1
  p=1

-  _anx_rest GET "zone.json"
-
  while true; do
-    h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    h=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
    _debug h "$h"
    if [ -z "$h" ]; then
      #not valid
      return 1
    fi

+    _anx_rest GET "zone.json/${h}"
    if _contains "$response" "\"name\":\"$h\""; then
-      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
+      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-"$p")
      _domain=$h
      return 0
    fi
--- a/dnsapi/dns_arvan.sh
+++ b/dnsapi/dns_arvan.sh
@ -107,7 +107,7 @@ _get_root() {
  i=2
  p=1
  while true; do
-    h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    h=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
    _debug h "$h"
    if [ -z "$h" ]; then
      #not valid
@ -120,7 +120,7 @@ _get_root() {
    if _contains "$response" "\"domain\":\"$h\""; then
      _domain_id=$(echo "$response" | cut -d : -f 3 | cut -d , -f 1 | tr -d \")
      if [ "$_domain_id" ]; then
-        _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
+        _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-"$p")
        _domain=$h
        return 0
      fi
--- a/dnsapi/dns_aurora.sh
+++ b/dnsapi/dns_aurora.sh
@ -117,7 +117,7 @@ _get_root() {
  p=1

  while true; do
-    h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    h=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
    _debug h "$h"
    if [ -z "$h" ]; then
      #not valid
@ -132,7 +132,7 @@ _get_root() {
      _domain_id=$(echo "$response" | _normalizeJson | tr -d "{}" | tr "," "\n" | grep "\"id\": *\"" | cut -d : -f 2 | tr -d \" | _head_n 1 | tr -d " ")
      _debug _domain_id "$_domain_id"
      if [ "$_domain_id" ]; then
-        _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
+        _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-"$p")
        _domain=$h
        return 0
      fi
--- a/dnsapi/dns_autodns.sh
+++ b/dnsapi/dns_autodns.sh
@ -110,7 +110,7 @@ _get_autodns_zone() {
  p=1

  while true; do
-    h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    h=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
    _debug h "$h"

    if [ -z "$h" ]; then
@ -128,7 +128,7 @@ _get_autodns_zone() {
    if _contains "$autodns_response" "<summary>1</summary>" >/dev/null; then
      _zone="$(echo "$autodns_response" | _egrep_o '<name>[^<]*</name>' | cut -d '>' -f 2 | cut -d '<' -f 1)"
      _system_ns="$(echo "$autodns_response" | _egrep_o '<system_ns>[^<]*</system_ns>' | cut -d '>' -f 2 | cut -d '<' -f 1)"
-      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
+      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-"$p")
      return 0
    fi

--- a/dnsapi/dns_aws.sh
+++ b/dnsapi/dns_aws.sh
@ -158,7 +158,7 @@ _get_root() {

  # iterate over names (a.b.c.d -> b.c.d -> c.d -> d)
  while true; do
-    h=$(printf "%s" "$domain" | cut -d . -f $i-100 | sed 's/\./\\./g')
+    h=$(printf "%s" "$domain" | cut -d . -f "$i"-100 | sed 's/\./\\./g')
    _debug "Checking domain: $h"
    if [ -z "$h" ]; then
      _error "invalid domain"
@ -174,7 +174,7 @@ _get_root() {
        if [ "$hostedzone" ]; then
          _domain_id=$(printf "%s\n" "$hostedzone" | _egrep_o "<Id>.*<.Id>" | head -n 1 | _egrep_o ">.*<" | tr -d "<>")
          if [ "$_domain_id" ]; then
-            _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
+            _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-"$p")
            _domain=$h
            return 0
          fi
--- a/dnsapi/dns_azion.sh
+++ b/dnsapi/dns_azion.sh
@ -100,7 +100,7 @@ _get_root() {
  fi

  while true; do
-    h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    h=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
    _debug h "$h"
    if [ -z "$h" ]; then
      # not valid
@ -111,7 +111,7 @@ _get_root() {
      _domain_id=$(echo "$response" | tr '{' "\n" | grep "\"domain\":\"$h\"" | _egrep_o "\"id\":[0-9]*" | _head_n 1 | cut -d : -f 2 | tr -d \")
      _debug _domain_id "$_domain_id"
      if [ "$_domain_id" ]; then
-        _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
+        _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-"$p")
        _domain=$h
        return 0
      fi
--- a/dnsapi/dns_azure.sh
+++ b/dnsapi/dns_azure.sh
@ -11,12 +11,14 @@ Options:
 AZUREDNS_MANAGEDIDENTITY Use Managed Identity. Use Managed Identity assigned to a resource instead of a service principal. "true"/"false"
 '

+wiki=https://github.com/acmesh-official/acme.sh/wiki/How-to-use-Azure-DNS
+
 ########  Public functions #####################

 # Usage: add  _acme-challenge.www.domain.com   "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
 # Used to add txt record
 #
-# Ref: https://docs.microsoft.com/en-us/rest/api/dns/recordsets/createorupdate
+# Ref: https://learn.microsoft.com/en-us/rest/api/dns/record-sets/create-or-update?view=rest-dns-2018-05-01&tabs=HTTP
 #

 dns_azure_add() {
@ -133,7 +135,7 @@ dns_azure_add() {
 # Usage: fulldomain txtvalue
 # Used to remove the txt record after validation
 #
-# Ref: https://docs.microsoft.com/en-us/rest/api/dns/recordsets/delete
+# Ref: https://learn.microsoft.com/en-us/rest/api/dns/record-sets/delete?view=rest-dns-2018-05-01&tabs=HTTP
 #
 dns_azure_rm() {
  fulldomain=$1
@ -265,10 +267,10 @@ _azure_rest() {
    if [ "$_code" = "401" ]; then
      # we have an invalid access token set to expired
      _saveaccountconf_mutable AZUREDNS_TOKENVALIDTO "0"
-      _err "access denied make sure your Azure settings are correct. See $WIKI"
+      _err "Access denied. Invalid access token. Make sure your Azure settings are correct. See: $wiki"
      return 1
    fi
-    # See https://docs.microsoft.com/en-us/azure/architecture/best-practices/retry-service-specific#general-rest-and-retry-guidelines for retryable HTTP codes
+    # See https://learn.microsoft.com/en-us/azure/architecture/best-practices/retry-service-specific#general-rest-and-retry-guidelines for retryable HTTP codes
    if [ "$_ret" != "0" ] || [ -z "$_code" ] || [ "$_code" = "408" ] || [ "$_code" = "500" ] || [ "$_code" = "503" ] || [ "$_code" = "504" ]; then
      _request_retry_times="$(_math "$_request_retry_times" + 1)"
      _info "REST call error $_code retrying $ep in $_request_retry_times s"
@ -286,7 +288,7 @@ _azure_rest() {
  return 0
 }

-## Ref: https://docs.microsoft.com/en-us/azure/active-directory/develop/active-directory-protocols-oauth-service-to-service#request-an-access-token
+## Ref: https://learn.microsoft.com/en-us/entra/identity-platform/v2-oauth2-client-creds-grant-flow#request-an-access-token
 _azure_getaccess_token() {
  managedIdentity=$1
  tenantID=$2
@ -310,7 +312,7 @@ _azure_getaccess_token() {
  _debug "getting new bearer token"

  if [ "$managedIdentity" = true ]; then
-    # https://docs.microsoft.com/en-us/azure/active-directory/managed-identities-azure-resources/how-to-use-vm-token#get-a-token-using-http
+    # https://learn.microsoft.com/en-us/entra/identity/managed-identities-azure-resources/how-to-use-vm-token#get-a-token-using-http
    export _H1="Metadata: true"
    response="$(_get http://169.254.169.254/metadata/identity/oauth2/token\?api-version=2018-02-01\&resource=https://management.azure.com/)"
    response="$(echo "$response" | _normalizeJson)"
@ -330,7 +332,7 @@ _azure_getaccess_token() {
  fi

  if [ -z "$accesstoken" ]; then
-    _err "no acccess token received. Check your Azure settings see $WIKI"
+    _err "No acccess token received. Check your Azure settings. See: $wiki"
    return 1
  fi
  if [ "$_ret" != "0" ]; then
@ -350,15 +352,18 @@ _get_root() {
  i=1
  p=1

-  ## Ref: https://docs.microsoft.com/en-us/rest/api/dns/zones/list
-  ## returns up to 100 zones in one response therefore handling more results is not not implemented
-  ## (ZoneListResult with  continuation token for the next page of results)
-  ## Per https://docs.microsoft.com/en-us/azure/azure-subscription-service-limits#dns-limits you are limited to 100 Zone/subscriptions anyways
+  ## Ref: https://learn.microsoft.com/en-us/rest/api/dns/zones/list?view=rest-dns-2018-05-01&tabs=HTTP
+  ## returns up to 100 zones in one response. Handling more results is not implemented
+  ## (ZoneListResult with continuation token for the next page of results)
+  ##
+  ## TODO: handle more than 100 results, as per:
+  ## https://learn.microsoft.com/en-us/azure/azure-resource-manager/management/azure-subscription-service-limits#azure-dns-limits
+  ## The new limit is 250 Public DNS zones per subscription, while the old limit was only 100
  ##
  _azure_rest GET "https://management.azure.com/subscriptions/$subscriptionId/providers/Microsoft.Network/dnszones?\$top=500&api-version=2017-09-01" "" "$accesstoken"
  # Find matching domain name in Json response
  while true; do
-    h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    h=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
    _debug2 "Checking domain: $h"
    if [ -z "$h" ]; then
      #not valid
@ -373,7 +378,7 @@ _get_root() {
          #create the record at the domain apex (@) if only the domain name was provided as --domain-alias
          _sub_domain="@"
        else
-          _sub_domain=$(echo "$domain" | cut -d . -f 1-$p)
+          _sub_domain=$(echo "$domain" | cut -d . -f 1-"$p")
        fi
        _domain=$h
        return 0
--- a/dnsapi/dns_bunny.sh
+++ b/dnsapi/dns_bunny.sh
@ -196,7 +196,7 @@ _get_base_domain() {
    _debug2 domain_list "$domain_list"

    i=1
-    while [ $i -gt 0 ]; do
+    while [ "$i" -gt 0 ]; do
      ## get next longest domain
      _domain=$(printf "%s" "$fulldomain" | cut -d . -f "$i"-"$MAX_DOM")
      ## check we got something back from our cut (or are we at the end)
@ -208,7 +208,7 @@ _get_base_domain() {
      ## check if it exists
      if [ -n "$found" ]; then
        ## exists - exit loop returning the parts
-        sub_point=$(_math $i - 1)
+        sub_point=$(_math "$i" - 1)
        _sub_domain=$(printf "%s" "$fulldomain" | cut -d . -f 1-"$sub_point")
        _domain_id="$(echo "$found" | _egrep_o "Id\"\s*\:\s*\"*[0-9]+" | _egrep_o "[0-9]+")"
        _debug _domain_id "$_domain_id"
@ -218,11 +218,11 @@ _get_base_domain() {
        return 0
      fi
      ## increment cut point $i
-      i=$(_math $i + 1)
+      i=$(_math "$i" + 1)
    done

    if [ -z "$found" ]; then
-      page=$(_math $page + 1)
+      page=$(_math "$page" + 1)
      nextpage="https://api.bunny.net/dnszone?page=$page"
      ## Find the next page if we don't have a match.
      hasnextpage="$(echo "$domain_list" | _egrep_o "\"HasMoreItems\"\s*:\s*true")"
--- a/dnsapi/dns_cf.sh
+++ b/dnsapi/dns_cf.sh
@ -186,7 +186,7 @@ _get_root() {
  fi

  while true; do
-    h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    h=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
    _debug h "$h"
    if [ -z "$h" ]; then
      #not valid
@ -206,7 +206,7 @@ _get_root() {
    if _contains "$response" "\"name\":\"$h\"" || _contains "$response" '"total_count":1'; then
      _domain_id=$(echo "$response" | _egrep_o "\[.\"id\": *\"[^\"]*\"" | _head_n 1 | cut -d : -f 2 | tr -d \" | tr -d " ")
      if [ "$_domain_id" ]; then
-        _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
+        _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-"$p")
        _domain=$h
        return 0
      fi
--- a/dnsapi/dns_cloudns.sh
+++ b/dnsapi/dns_cloudns.sh
@ -164,7 +164,7 @@ _dns_cloudns_get_zone_info() {
 _dns_cloudns_get_zone_name() {
  i=2
  while true; do
-    zoneForCheck=$(printf "%s" "$1" | cut -d . -f $i-100)
+    zoneForCheck=$(printf "%s" "$1" | cut -d . -f "$i"-100)

    if [ -z "$zoneForCheck" ]; then
      return 1
--- a/dnsapi/dns_cn.sh
+++ b/dnsapi/dns_cn.sh
@ -131,7 +131,7 @@ _cn_get_root() {
  p=1
  while true; do

-    h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    h=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
    _debug h "$h"
    _debug _H1 "${_H1}"

@ -149,7 +149,7 @@ _cn_get_root() {
    fi

    if _contains "$_cn_zonelist" "\"name\":\"$h\"" >/dev/null; then
-      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
+      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-"$p")
      _domain=$h
      return 0
    else
--- a/dnsapi/dns_conoha.sh
+++ b/dnsapi/dns_conoha.sh
@ -237,7 +237,7 @@ _get_root() {
  i=2
  p=1
  while true; do
-    h=$(printf "%s" "$domain" | cut -d . -f $i-100).
+    h=$(printf "%s" "$domain" | cut -d . -f "$i"-100).
    _debug h "$h"
    if [ -z "$h" ]; then
      #not valid
@ -251,7 +251,7 @@ _get_root() {
    if _contains "$response" "\"name\":\"$h\"" >/dev/null; then
      _domain_id=$(printf "%s\n" "$response" | _egrep_o "\"id\":\"[^\"]*\"" | head -n 1 | cut -d : -f 2 | tr -d \")
      if [ "$_domain_id" ]; then
-        _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
+        _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-"$p")
        _domain=$h
        return 0
      fi
--- a/dnsapi/dns_constellix.sh
+++ b/dnsapi/dns_constellix.sh
@ -122,7 +122,7 @@ _get_root() {
  p=1
  _debug "Detecting root zone"
  while true; do
-    h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    h=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
    if [ -z "$h" ]; then
      return 1
    fi
@ -134,7 +134,7 @@ _get_root() {
    if _contains "$response" "\"name\":\"$h\""; then
      _domain_id=$(printf "%s\n" "$response" | _egrep_o "\"id\":[0-9]*" | cut -d ':' -f 2)
      if [ "$_domain_id" ]; then
-        _sub_domain=$(printf "%s" "$domain" | cut -d '.' -f 1-$p)
+        _sub_domain=$(printf "%s" "$domain" | cut -d '.' -f 1-"$p")
        _domain="$h"

        _debug _domain_id "$_domain_id"
--- a/dnsapi/dns_curanet.sh
+++ b/dnsapi/dns_curanet.sh
@ -142,7 +142,7 @@ _get_root() {
  i=1

  while true; do
-    h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    h=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
    _debug h "$h"
    if [ -z "$h" ]; then
      #not valid
--- a/dnsapi/dns_da.sh
+++ b/dnsapi/dns_da.sh
@ -61,7 +61,7 @@ _get_root() {
  # response will contain "list[]=example.com&list[]=example.org"
  _da_api CMD_API_SHOW_DOMAINS "" "${domain}"
  while true; do
-    h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    h=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
    _debug h "$h"
    if [ -z "$h" ]; then
      # not valid
@ -69,7 +69,7 @@ _get_root() {
      return 1
    fi
    if _contains "$response" "$h" >/dev/null; then
-      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
+      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-"$p")
      _domain=$h
      return 0
    fi
--- a/dnsapi/dns_desec.sh
+++ b/dnsapi/dns_desec.sh
@ -176,7 +176,7 @@ _get_root() {
  i=2
  p=1
  while true; do
-    h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    h=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
    _debug h "$h"
    if [ -z "$h" ]; then
      #not valid
@ -188,7 +188,7 @@ _get_root() {
    fi

    if _contains "$response" "\"name\":\"$h\"" >/dev/null; then
-      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
+      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-"$p")
      _domain=$h
      return 0
    fi
--- a/dnsapi/dns_dgon.sh
+++ b/dnsapi/dns_dgon.sh
@ -203,7 +203,7 @@ _get_base_domain() {
    _debug2 domain_list "$domain_list"

    i=1
-    while [ $i -gt 0 ]; do
+    while [ "$i" -gt 0 ]; do
      ## get next longest domain
      _domain=$(printf "%s" "$fulldomain" | cut -d . -f "$i"-"$MAX_DOM")
      ## check we got something back from our cut (or are we at the end)
@ -215,14 +215,14 @@ _get_base_domain() {
      ## check if it exists
      if [ -n "$found" ]; then
        ## exists - exit loop returning the parts
-        sub_point=$(_math $i - 1)
+        sub_point=$(_math "$i" - 1)
        _sub_domain=$(printf "%s" "$fulldomain" | cut -d . -f 1-"$sub_point")
        _debug _domain "$_domain"
        _debug _sub_domain "$_sub_domain"
        return 0
      fi
      ## increment cut point $i
-      i=$(_math $i + 1)
+      i=$(_math "$i" + 1)
    done

    if [ -z "$found" ]; then
--- a/dnsapi/dns_dnsexit.sh
+++ b/dnsapi/dns_dnsexit.sh
@ -84,7 +84,7 @@ _get_root() {
  domain=$1
  i=1
  while true; do
-    _domain=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    _domain=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
    _debug h "$_domain"
    if [ -z "$_domain" ]; then
      return 1
--- a/dnsapi/dns_dnsimple.sh
+++ b/dnsapi/dns_dnsimple.sh
@ -92,7 +92,7 @@ _get_root() {
  i=2
  previous=1
  while true; do
-    h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    h=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
    if [ -z "$h" ]; then
      # not valid
      return 1
@ -105,7 +105,7 @@ _get_root() {
    if _contains "$response" 'not found'; then
      _debug "$h not found"
    else
-      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$previous)
+      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-"$previous")
      _domain="$h"

      _debug _domain "$_domain"
--- a/dnsapi/dns_doapi.sh
+++ b/dnsapi/dns_doapi.sh
@ -2,7 +2,6 @@
 # shellcheck disable=SC2034
 dns_doapi_info='Domain-Offensive do.de
 Official LetsEncrypt API for do.de / Domain-Offensive.
- This is different from the dns_do adapter, because dns_do is only usable for enterprise customers.
 This API is also available to private customers/individuals.
 Site: do.de
 Docs: github.com/acmesh-official/acme.sh/wiki/dnsapi#dns_doapi
@ -11,7 +10,7 @@ Options:
 Issues: github.com/acmesh-official/acme.sh/issues/2057
 '

-DO_API="https://www.do.de/api/letsencrypt"
+DO_API="https://my.do.de/api/letsencrypt"

 ########  Public functions #####################

--- a/dnsapi/dns_domeneshop.sh
+++ b/dnsapi/dns_domeneshop.sh
@ -93,7 +93,7 @@ _get_domainid() {
  i=2
  p=1
  while true; do
-    h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    h=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
    _debug "h" "$h"
    if [ -z "$h" ]; then
      #not valid
@ -102,7 +102,7 @@ _get_domainid() {

    if _contains "$response" "\"$h\"" >/dev/null; then
      # We have found the domain name.
-      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
+      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-"$p")
      _domain=$h
      _domainid=$(printf "%s" "$response" | _egrep_o "[^{]*\"domain\":\"$_domain\"[^}]*" | _egrep_o "\"id\":[0-9]+" | cut -d : -f 2)
      return 0
--- a/dnsapi/dns_dp.sh
+++ b/dnsapi/dns_dp.sh
@ -109,7 +109,7 @@ _get_root() {
  i=2
  p=1
  while true; do
-    h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    h=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
    if [ -z "$h" ]; then
      #not valid
      return 1
@ -123,7 +123,7 @@ _get_root() {
      _domain_id=$(printf "%s\n" "$response" | _egrep_o "\"id\":\"[^\"]*\"" | cut -d : -f 2 | tr -d \")
      _debug _domain_id "$_domain_id"
      if [ "$_domain_id" ]; then
-        _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
+        _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-"$p")
        _debug _sub_domain "$_sub_domain"
        _domain="$h"
        _debug _domain "$_domain"
--- a/dnsapi/dns_dpi.sh
+++ b/dnsapi/dns_dpi.sh
@ -109,7 +109,7 @@ _get_root() {
  i=2
  p=1
  while true; do
-    h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    h=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
    if [ -z "$h" ]; then
      #not valid
      return 1
@ -123,7 +123,7 @@ _get_root() {
      _domain_id=$(printf "%s\n" "$response" | _egrep_o "\"id\":\"[^\"]*\"" | cut -d : -f 2 | tr -d \")
      _debug _domain_id "$_domain_id"
      if [ "$_domain_id" ]; then
-        _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
+        _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-"$p")
        _debug _sub_domain "$_sub_domain"
        _domain="$h"
        _debug _domain "$_domain"
--- a/dnsapi/dns_durabledns.sh
+++ b/dnsapi/dns_durabledns.sh
@ -110,7 +110,7 @@ _get_root() {
  i=1
  p=1
  while true; do
-    h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    h=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
    _debug h "$h"
    if [ -z "$h" ]; then
      #not valid
@ -118,7 +118,7 @@ _get_root() {
    fi

    if _contains "$response" ">$h.</origin>"; then
-      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
+      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-"$p")
      _domain=$h
      return 0
    fi
--- a/dnsapi/dns_dynu.sh
+++ b/dnsapi/dns_dynu.sh
@ -126,7 +126,7 @@ _get_root() {
  i=2
  p=1
  while true; do
-    h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    h=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
    _debug h "$h"
    if [ -z "$h" ]; then
      #not valid
@ -140,7 +140,7 @@ _get_root() {
    if _contains "$response" "\"domainName\":\"$h\"" >/dev/null; then
      dnsId=$(printf "%s" "$response" | tr -d "{}" | cut -d , -f 2 | cut -d : -f 2)
      _domain_name=$h
-      _node=$(printf "%s" "$domain" | cut -d . -f 1-$p)
+      _node=$(printf "%s" "$domain" | cut -d . -f 1-"$p")
      return 0
    fi
    p=$i
--- a/dnsapi/dns_dynv6.sh
+++ b/dnsapi/dns_dynv6.sh
@ -16,8 +16,8 @@ dynv6_api="https://dynv6.com/api/v2"
 # Please Read this guide first: https://github.com/Neilpang/acme.sh/wiki/DNS-API-Dev-Guide
 #Usage: dns_dynv6_add  _acme-challenge.www.domain.com  "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
 dns_dynv6_add() {
-  fulldomain=$1
-  txtvalue=$2
+  fulldomain="$(echo "$1" | _lower_case)"
+  txtvalue="$2"
  _info "Using dynv6 api"
  _debug fulldomain "$fulldomain"
  _debug txtvalue "$txtvalue"
@ -43,15 +43,14 @@ dns_dynv6_add() {
      _err "Something went wrong! it does not seem like the record was added successfully"
      return 1
    fi
-    return 1
  fi
-  return 1
+
 }
 #Usage: fulldomain txtvalue
 #Remove the txt record after validation.
 dns_dynv6_rm() {
-  fulldomain=$1
-  txtvalue=$2
+  fulldomain="$(echo "$1" | _lower_case)"
+  txtvalue="$2"
  _info "Using dynv6 API"
  _debug fulldomain "$fulldomain"
  _debug txtvalue "$txtvalue"
@ -206,7 +205,7 @@ _get_zone_id() {
    return 1
  fi

-  zone_id="$(echo "$response" | tr '}' '\n' | grep "$selected" | tr ',' '\n' | grep id | tr -d '"')"
+  zone_id="$(echo "$response" | tr '}' '\n' | grep "$selected" | tr ',' '\n' | grep '"id":' | tr -d '"')"
  _zone_id="${zone_id#id:}"
  _debug "zone id: $_zone_id"
 }
--- a/dnsapi/dns_easydns.sh
+++ b/dnsapi/dns_easydns.sh
@ -121,7 +121,7 @@ _get_root() {
  i=1
  p=1
  while true; do
-    h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    h=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
    _debug h "$h"
    if [ -z "$h" ]; then
      #not valid
@ -133,7 +133,7 @@ _get_root() {
    fi

    if _contains "$response" "\"status\":200"; then
-      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
+      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-"$p")
      _domain=$h
      return 0
    fi
--- a/dnsapi/dns_euserv.sh
+++ b/dnsapi/dns_euserv.sh
@ -151,7 +151,7 @@ _get_root() {
  response="$_euserv_domain_orders"

  while true; do
-    h=$(echo "$domain" | cut -d . -f $i-100)
+    h=$(echo "$domain" | cut -d . -f "$i"-100)
    _debug h "$h"
    if [ -z "$h" ]; then
      #not valid
@ -159,7 +159,7 @@ _get_root() {
    fi

    if _contains "$response" "$h"; then
-      _sub_domain=$(echo "$domain" | cut -d . -f 1-$p)
+      _sub_domain=$(echo "$domain" | cut -d . -f 1-"$p")
      _domain="$h"
      if ! _euserv_get_domain_id "$_domain"; then
        _err "invalid domain"
--- a/dnsapi/dns_exoscale.sh
+++ b/dnsapi/dns_exoscale.sh
@ -119,7 +119,7 @@ _get_root() {
  i=2
  p=1
  while true; do
-    h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    h=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
    _debug h "$h"
    if [ -z "$h" ]; then
      #not valid
@ -130,7 +130,7 @@ _get_root() {
      _domain_id=$(echo "$response" | tr '{' "\n" | grep "\"name\":\"$h\"" | _egrep_o "\"id\":[^,]+" | _head_n 1 | cut -d : -f 2 | tr -d \")
      _domain_token=$(echo "$response" | tr '{' "\n" | grep "\"name\":\"$h\"" | _egrep_o "\"token\":\"[^\"]*\"" | _head_n 1 | cut -d : -f 2 | tr -d \")
      if [ "$_domain_token" ] && [ "$_domain_id" ]; then
-        _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
+        _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-"$p")
        _domain=$h
        return 0
      fi
--- a/dnsapi/dns_fornex.sh
+++ b/dnsapi/dns_fornex.sh
@ -90,7 +90,7 @@ _get_root() {

  i=1
  while true; do
-    h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    h=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
    _debug h "$h"
    if [ -z "$h" ]; then
      #not valid
--- a/dnsapi/dns_gandi_livedns.sh
+++ b/dnsapi/dns_gandi_livedns.sh
@ -95,7 +95,7 @@ _get_root() {
  i=2
  p=1
  while true; do
-    h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    h=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
    _debug h "$h"
    if [ -z "$h" ]; then
      #not valid
@ -112,7 +112,7 @@ _get_root() {
    elif _contains "$response" '"code": 404'; then
      _debug "$h not found"
    else
-      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
+      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-"$p")
      _domain="$h"
      return 0
    fi
--- a/dnsapi/dns_gcore.sh
+++ b/dnsapi/dns_gcore.sh
@ -28,7 +28,7 @@ dns_gcore_add() {
  fi

  #save the api key to the account conf file.
-  _saveaccountconf_mutable GCORE_Key "$GCORE_Key"
+  _saveaccountconf_mutable GCORE_Key "$GCORE_Key" "base64"

  _debug "First detect the zone name"
  if ! _get_root "$fulldomain"; then
@ -138,7 +138,7 @@ _get_root() {
  p=1

  while true; do
-    h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    h=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
    _debug h "$h"
    if [ -z "$h" ]; then
      #not valid
@ -152,7 +152,7 @@ _get_root() {
    if _contains "$response" "\"name\":\"$h\""; then
      _zone_name=$h
      if [ "$_zone_name" ]; then
-        _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
+        _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-"$p")
        _domain=$h
        return 0
      fi
--- a/dnsapi/dns_gd.sh
+++ b/dnsapi/dns_gd.sh
@ -148,7 +148,7 @@ _get_root() {
  i=2
  p=1
  while true; do
-    h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    h=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
    if [ -z "$h" ]; then
      #not valid
      return 1
@ -161,7 +161,7 @@ _get_root() {
    if _contains "$response" '"code":"NOT_FOUND"'; then
      _debug "$h not found"
    else
-      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
+      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-"$p")
      _domain="$h"
      return 0
    fi
--- a/dnsapi/dns_geoscaling.sh
+++ b/dnsapi/dns_geoscaling.sh
@ -202,7 +202,7 @@ find_zone() {
  # Walk through all possible zone names
  strip_counter=1
  while true; do
-    attempted_zone=$(echo "${domain}" | cut -d . -f ${strip_counter}-)
+    attempted_zone=$(echo "${domain}" | cut -d . -f "${strip_counter}"-)

    # All possible zone names have been tried
    if [ -z "${attempted_zone}" ]; then
--- a/dnsapi/dns_googledomains.sh
+++ b/dnsapi/dns_googledomains.sh
@ -132,7 +132,7 @@ _dns_googledomains_get_zone() {

  i=2
  while true; do
-    curr=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    curr=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
    _debug curr "$curr"

    if [ -z "$curr" ]; then
--- a/dnsapi/dns_he.sh
+++ b/dnsapi/dns_he.sh
@ -143,7 +143,7 @@ _find_zone() {
  # Walk through all possible zone names
  _strip_counter=1
  while true; do
-    _attempted_zone=$(echo "$_domain" | cut -d . -f ${_strip_counter}-)
+    _attempted_zone=$(echo "$_domain" | cut -d . -f "${_strip_counter}"-)

    # All possible zone names have been tried
    if [ -z "$_attempted_zone" ]; then
--- a/dnsapi/dns_hetzner.sh
+++ b/dnsapi/dns_hetzner.sh
@ -181,7 +181,7 @@ _get_root() {

  _debug "Trying to get zone id by domain name for '$domain_without_acme'."
  while true; do
-    h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    h=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
    if [ -z "$h" ]; then
      #not valid
      return 1
@ -193,7 +193,7 @@ _get_root() {
    if _contains "$response" "\"name\":\"$h\"" || _contains "$response" '"total_entries":1'; then
      _domain_id=$(echo "$response" | _egrep_o "\[.\"id\":\"[^\"]*\"" | _head_n 1 | cut -d : -f 2 | tr -d \")
      if [ "$_domain_id" ]; then
-        _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
+        _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-"$p")
        _domain=$h
        HETZNER_Zone_ID=$_domain_id
        _savedomainconf "$domain_param_name" "$HETZNER_Zone_ID"
--- a/dnsapi/dns_hexonet.sh
+++ b/dnsapi/dns_hexonet.sh
@ -123,7 +123,7 @@ _get_root() {
  i=1
  p=1
  while true; do
-    h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    h=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
    _debug h "$h"
    if [ -z "$h" ]; then
      #not valid
@ -135,7 +135,7 @@ _get_root() {
    fi

    if _contains "$response" "CODE=200"; then
-      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
+      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-"$p")
      _domain=$h
      return 0
    fi
--- a/dnsapi/dns_huaweicloud.sh
+++ b/dnsapi/dns_huaweicloud.sh
@ -210,7 +210,7 @@ _get_recordset_id() {
  _zoneid=$3
  export _H1="X-Auth-Token: ${_token}"

-  response=$(_get "${dns_api}/v2/zones/${_zoneid}/recordsets?name=${_domain}")
+  response=$(_get "${dns_api}/v2/zones/${_zoneid}/recordsets?name=${_domain}&status=ACTIVE")
  if _contains "${response}" '"id"'; then
    _id="$(echo "${response}" | _egrep_o "\"id\": *\"[^\"]*\"" | cut -d : -f 2 | tr -d \" | tr -d " ")"
    printf "%s" "${_id}"
@ -227,7 +227,7 @@ _add_record() {

  # Get Existing Records
  export _H1="X-Auth-Token: ${_token}"
-  response=$(_get "${dns_api}/v2/zones/${zoneid}/recordsets?name=${_domain}")
+  response=$(_get "${dns_api}/v2/zones/${zoneid}/recordsets?name=${_domain}&status=ACTIVE")

  _debug2 "${response}"
  _exist_record=$(echo "${response}" | _egrep_o '"records":[^]]*' | sed 's/\"records\"\:\[//g')
--- a/dnsapi/dns_internetbs.sh
+++ b/dnsapi/dns_internetbs.sh
@ -133,7 +133,7 @@ _get_root() {
    fi

    while true; do
-      h=$(printf "%s" "$domain" | cut -d . -f ${i}-100)
+      h=$(printf "%s" "$domain" | cut -d . -f "${i}"-100)
      _debug h "$h"
      if [ -z "$h" ]; then
        #not valid
@ -141,7 +141,7 @@ _get_root() {
      fi

      if _contains "$response" "\"$h\""; then
-        _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-${p})
+        _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-"${p}")
        _domain=${h}
        return 0
      fi
--- a/dnsapi/dns_inwx.sh
+++ b/dnsapi/dns_inwx.sh
@ -163,6 +163,15 @@ _inwx_check_cookie() {
  return 1
 }

+_htmlEscape() {
+  _s="$1"
+  _s=$(echo "$_s" | sed "s/&/&amp;/g")
+  _s=$(echo "$_s" | sed "s/</\&lt;/g")
+  _s=$(echo "$_s" | sed "s/>/\&gt;/g")
+  _s=$(echo "$_s" | sed 's/"/\&quot;/g')
+  printf -- %s "$_s"
+}
+
 _inwx_login() {

  if _inwx_check_cookie; then
@ -170,6 +179,8 @@ _inwx_login() {
    return 0
  fi

+  XML_PASS=$(_htmlEscape "$INWX_Password")
+
  xml_content=$(printf '<?xml version="1.0" encoding="UTF-8"?>
  <methodCall>
  <methodName>account.login</methodName>
@ -193,7 +204,7 @@ _inwx_login() {
    </value>
   </param>
  </params>
-  </methodCall>' "$INWX_User" "$INWX_Password")
+  </methodCall>' "$INWX_User" "$XML_PASS")

  response="$(_post "$xml_content" "$INWX_Api" "" "POST")"

@ -282,7 +293,7 @@ _get_root() {

  response="$(_post "$xml_content" "$INWX_Api" "" "POST")"
  while true; do
-    h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    h=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
    _debug h "$h"
    if [ -z "$h" ]; then
      #not valid
@ -290,7 +301,7 @@ _get_root() {
    fi

    if _contains "$response" "$h"; then
-      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
+      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-"$p")
      _domain="$h"
      return 0
    fi
--- a/dnsapi/dns_ionos.sh
+++ b/dnsapi/dns_ionos.sh
@ -87,7 +87,7 @@ _get_root() {
    _response="$(echo "$_response" | tr -d "\n")"

    while true; do
-      h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+      h=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
      if [ -z "$h" ]; then
        return 1
      fi
@ -96,7 +96,7 @@ _get_root() {
      if [ "$_zone" ]; then
        _zone_id=$(printf "%s\n" "$_zone" | _egrep_o "\"id\":\"[a-fA-F0-9\-]*\"" | _head_n 1 | cut -d : -f 2 | tr -d '\"')
        if [ "$_zone_id" ]; then
-          _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
+          _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-"$p")
          _domain=$h

          return 0
--- a/dnsapi/dns_ionos_cloud.sh
+++ b/dnsapi/dns_ionos_cloud.sh
@ -0,0 +1,145 @@
+#!/usr/bin/env sh
+
+# Supports IONOS Cloud DNS API v1.15.4
+#
+# Usage:
+#   Export IONOS_TOKEN before calling acme.sh:
+#   $ export IONOS_TOKEN="..."
+#
+#   $ acme.sh --issue --dns dns_ionos_cloud ...
+
+IONOS_CLOUD_API="https://dns.de-fra.ionos.com"
+IONOS_CLOUD_ROUTE_ZONES="/zones"
+
+dns_ionos_cloud_add() {
+  fulldomain=$1
+  txtvalue=$2
+
+  if ! _ionos_init; then
+    return 1
+  fi
+
+  _record_name=$(printf "%s" "$fulldomain" | cut -d . -f 1)
+  _body="{\"properties\":{\"name\":\"$_record_name\", \"type\":\"TXT\", \"content\":\"$txtvalue\"}}"
+
+  if _ionos_cloud_rest POST "$IONOS_CLOUD_ROUTE_ZONES/$_zone_id/records" "$_body" && [ "$_code" = "202" ]; then
+    _info "TXT record has been created successfully."
+    return 0
+  fi
+
+  return 1
+}
+
+dns_ionos_cloud_rm() {
+  fulldomain=$1
+  txtvalue=$2
+
+  if ! _ionos_init; then
+    return 1
+  fi
+
+  if ! _ionos_cloud_get_record "$_zone_id" "$txtvalue" "$fulldomain"; then
+    _err "Could not find _acme-challenge TXT record."
+    return 1
+  fi
+
+  if _ionos_cloud_rest DELETE "$IONOS_CLOUD_ROUTE_ZONES/$_zone_id/records/$_record_id" && [ "$_code" = "202" ]; then
+    _info "TXT record has been deleted successfully."
+    return 0
+  fi
+
+  return 1
+}
+
+_ionos_init() {
+  IONOS_TOKEN="${IONOS_TOKEN:-$(_readaccountconf_mutable IONOS_TOKEN)}"
+
+  if [ -z "$IONOS_TOKEN" ]; then
+    _err "You didn't specify an IONOS token yet."
+    _err "Read https://api.ionos.com/docs/authentication/v1/#tag/tokens/operation/tokensGenerate to learn how to get a token."
+    _err "You need to set it before calling acme.sh:"
+    _err "\$ export IONOS_TOKEN=\"...\""
+    _err "\$ acme.sh --issue -d ... --dns dns_ionos_cloud"
+    return 1
+  fi
+
+  _saveaccountconf_mutable IONOS_TOKEN "$IONOS_TOKEN"
+
+  if ! _get_cloud_zone "$fulldomain"; then
+    _err "Cannot find zone $zone in your IONOS account."
+    return 1
+  fi
+
+  return 0
+}
+
+_get_cloud_zone() {
+  domain=$1
+  zone=$(printf "%s" "$domain" | cut -d . -f 2-)
+
+  if _ionos_cloud_rest GET "$IONOS_CLOUD_ROUTE_ZONES?filter.zoneName=$zone"; then
+    _response="$(echo "$_response" | tr -d "\n")"
+
+    _zone_list_items=$(echo "$_response" | _egrep_o "\"items\":.*")
+
+    _zone_id=$(printf "%s\n" "$_zone_list_items" | _egrep_o "\"id\":\"[a-fA-F0-9\-]*\"" | _head_n 1 | cut -d : -f 2 | tr -d '\"')
+    if [ "$_zone_id" ]; then
+      return 0
+    fi
+  fi
+
+  return 1
+}
+
+_ionos_cloud_get_record() {
+  zone_id=$1
+  txtrecord=$2
+  # this is to transform the domain to lower case
+  fulldomain=$(printf "%s" "$3" | _lower_case)
+  # this is to transform record name to lower case
+  # IONOS Cloud API transforms all record names to lower case
+  _record_name=$(printf "%s" "$fulldomain" | cut -d . -f 1 | _lower_case)
+
+  if _ionos_cloud_rest GET "$IONOS_CLOUD_ROUTE_ZONES/$zone_id/records"; then
+    _response="$(echo "$_response" | tr -d "\n")"
+
+    pattern="\{\"id\":\"[a-fA-F0-9\-]*\",\"type\":\"record\",\"href\":\"/zones/$zone_id/records/[a-fA-F0-9\-]*\",\"metadata\":\{\"createdDate\":\"[A-Z0-9\:\.\-]*\",\"lastModifiedDate\":\"[A-Z0-9\:\.\-]*\",\"fqdn\":\"$fulldomain\",\"state\":\"AVAILABLE\",\"zoneId\":\"$zone_id\"\},\"properties\":\{\"content\":\"$txtrecord\",\"enabled\":true,\"name\":\"$_record_name\",\"priority\":[0-9]*,\"ttl\":[0-9]*,\"type\":\"TXT\"\}\}"
+
+    _record="$(echo "$_response" | _egrep_o "$pattern")"
+    if [ "$_record" ]; then
+      _record_id=$(printf "%s\n" "$_record" | _egrep_o "\"id\":\"[a-fA-F0-9\-]*\"" | _head_n 1 | cut -d : -f 2 | tr -d '\"')
+      return 0
+    fi
+  fi
+
+  return 1
+}
+
+_ionos_cloud_rest() {
+  method="$1"
+  route="$2"
+  data="$3"
+
+  export _H1="Authorization: Bearer $IONOS_TOKEN"
+
+  # clear headers
+  : >"$HTTP_HEADER"
+
+  if [ "$method" != "GET" ]; then
+    _response="$(_post "$data" "$IONOS_CLOUD_API$route" "" "$method" "application/json")"
+  else
+    _response="$(_get "$IONOS_CLOUD_API$route")"
+  fi
+
+  _code="$(grep "^HTTP" "$HTTP_HEADER" | _tail_n 1 | cut -d " " -f 2 | tr -d "\\r\\n")"
+
+  if [ "$?" != "0" ]; then
+    _err "Error $route: $_response"
+    return 1
+  fi
+
+  _debug2 "_response" "$_response"
+  _debug2 "_code" "$_code"
+
+  return 0
+}
--- a/dnsapi/dns_ispconfig.sh
+++ b/dnsapi/dns_ispconfig.sh
@ -14,6 +14,8 @@ Options:
 # User must provide login data and URL to the ISPConfig installation incl. port.
 # The remote user in ISPConfig must have access to:
 # - DNS txt Functions
+# - DNS zone functions
+# - Client functions

 ########  Public functions #####################

--- a/dnsapi/dns_jd.sh
+++ b/dnsapi/dns_jd.sh
@ -135,7 +135,7 @@ _get_root() {
  p=1

  while true; do
-    h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    h=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
    _debug2 "Checking domain: $h"
    if ! jd_rest GET "domain"; then
      _err "error get domain list"
@ -153,7 +153,7 @@ _get_root() {
      if [ "$hostedzone" ]; then
        _domain_id="$(echo "$hostedzone" | tr ',' '\n' | grep "\"id\":" | cut -d : -f 2)"
        if [ "$_domain_id" ]; then
-          _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
+          _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-"$p")
          _domain=$h
          return 0
        fi
--- a/dnsapi/dns_joker.sh
+++ b/dnsapi/dns_joker.sh
@ -80,7 +80,7 @@ _get_root() {
  fulldomain=$1
  i=1
  while true; do
-    h=$(printf "%s" "$fulldomain" | cut -d . -f $i-100)
+    h=$(printf "%s" "$fulldomain" | cut -d . -f "$i"-100)
    _debug h "$h"
    if [ -z "$h" ]; then
      return 1
--- a/dnsapi/dns_kappernet.sh
+++ b/dnsapi/dns_kappernet.sh
@ -102,7 +102,7 @@ _get_root() {
  i=2
  p=1
  while true; do
-    h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    h=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
    if [ -z "$h" ]; then
      #not valid
      return 1
@ -113,7 +113,7 @@ _get_root() {
    if _contains "$response" '"OK":false'; then
      _debug "$h not found"
    else
-      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
+      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-"$p")
      _domain="$h"
      return 0
    fi
--- a/dnsapi/dns_la.sh
+++ b/dnsapi/dns_la.sh
@ -113,7 +113,7 @@ _get_root() {
  p=1

  while true; do
-    h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    h=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
    if [ -z "$h" ]; then
      #not valid
      return 1
@ -126,7 +126,7 @@ _get_root() {
    if _contains "$response" '"domainid":'; then
      _domain_id=$(printf "%s" "$response" | grep '"domainid":' | cut -d : -f 2 | cut -d , -f 1 | tr -d '\r' | tr -d '\n')
      if [ "$_domain_id" ]; then
-        _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
+        _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-"$p")
        _domain="$h"
        return 0
      fi
--- a/dnsapi/dns_limacity.sh
+++ b/dnsapi/dns_limacity.sh
@ -69,7 +69,7 @@ _lima_get_domain_id() {
  if [ "$(echo "$domains" | _egrep_o "\{.*""domains""")" ]; then
    response="$(echo "$domains" | tr -d "\n" | tr '{' "|" | sed 's/|/&{/g' | tr "|" "\n")"
    while true; do
-      h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+      h=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
      _debug h "$h"
      if [ -z "$h" ]; then
        #not valid
@ -80,7 +80,7 @@ _lima_get_domain_id() {
      if [ "$hostedzone" ]; then
        LIMACITY_DOMAINID=$(printf "%s\n" "$hostedzone" | _egrep_o "\"id\":\s*[0-9]+" | _head_n 1 | cut -d : -f 2 | tr -d \ )
        if [ "$LIMACITY_DOMAINID" ]; then
-          _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
+          _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-"$p")
          _domain=$h
          return 0
        fi
--- a/dnsapi/dns_linode.sh
+++ b/dnsapi/dns_linode.sh
@ -136,7 +136,7 @@ _get_root() {
  if _rest GET "domain.list"; then
    response="$(echo "$response" | tr -d "\n" | tr '{' "|" | sed 's/|/&{/g' | tr "|" "\n")"
    while true; do
-      h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+      h=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
      _debug h "$h"
      if [ -z "$h" ]; then
        #not valid
@ -147,7 +147,7 @@ _get_root() {
      if [ "$hostedzone" ]; then
        _domain_id=$(printf "%s\n" "$hostedzone" | _egrep_o "\"DOMAINID\":\s*[0-9]+" | _head_n 1 | cut -d : -f 2 | tr -d \ )
        if [ "$_domain_id" ]; then
-          _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
+          _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-"$p")
          _domain=$h
          return 0
        fi
--- a/dnsapi/dns_linode_v4.sh
+++ b/dnsapi/dns_linode_v4.sh
@ -138,7 +138,7 @@ _get_root() {
  if _rest GET; then
    response="$(echo "$response" | tr -d "\n" | tr '{' "|" | sed 's/|/&{/g' | tr "|" "\n")"
    while true; do
-      h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+      h=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
      _debug h "$h"
      if [ -z "$h" ]; then
        #not valid
@ -149,7 +149,7 @@ _get_root() {
      if [ "$hostedzone" ]; then
        _domain_id=$(printf "%s\n" "$hostedzone" | _egrep_o "\"id\": *[0-9]+" | _head_n 1 | cut -d : -f 2 | tr -d \ )
        if [ "$_domain_id" ]; then
-          _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
+          _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-"$p")
          _domain=$h
          return 0
        fi
--- a/dnsapi/dns_loopia.sh
+++ b/dnsapi/dns_loopia.sh
@ -180,14 +180,14 @@ _get_root() {

  response="$(_post "$xml_content" "$LOOPIA_Api" "" "POST")"
  while true; do
-    h=$(echo "$domain" | cut -d . -f $i-100)
+    h=$(echo "$domain" | cut -d . -f "$i"-100)
    if [ -z "$h" ]; then
      #not valid
      return 1
    fi

    if _contains "$response" "$h"; then
-      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
+      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-"$p")
      _domain="$h"
      return 0
    fi
--- a/dnsapi/dns_lua.sh
+++ b/dnsapi/dns_lua.sh
@ -110,7 +110,7 @@ _get_root() {
    return 1
  fi
  while true; do
-    h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    h=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
    _debug h "$h"
    if [ -z "$h" ]; then
      #not valid
@ -121,7 +121,7 @@ _get_root() {
      _domain_id=$(printf "%s\n" "$response" | _egrep_o "\"id\":[^,]*,\"name\":\"$h\"" | cut -d : -f 2 | cut -d , -f 1)
      _debug _domain_id "$_domain_id"
      if [ "$_domain_id" ]; then
-        _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
+        _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-"$p")
        _domain="$h"
        return 0
      fi
--- a/dnsapi/dns_maradns.sh
+++ b/dnsapi/dns_maradns.sh
@ -72,7 +72,7 @@ _reload_maradns() {
  pidpath="$1"
  kill -s HUP -- "$(cat "$pidpath")"
  if [ $? -ne 0 ]; then
-    _err "Unable to reload MaraDNS, kill returned $?"
+    _err "Unable to reload MaraDNS, kill returned"
    return 1
  fi
 }
--- a/dnsapi/dns_me.sh
+++ b/dnsapi/dns_me.sh
@ -107,7 +107,7 @@ _get_root() {
  i=2
  p=1
  while true; do
-    h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    h=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
    if [ -z "$h" ]; then
      #not valid
      return 1
@ -120,7 +120,7 @@ _get_root() {
    if _contains "$response" "\"name\":\"$h\""; then
      _domain_id=$(printf "%s\n" "$response" | sed 's/^{//; s/}$//; s/{.*}//' | sed -r 's/^.*"id":([0-9]+).*$/\1/')
      if [ "$_domain_id" ]; then
-        _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
+        _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-"$p")
        _domain="$h"
        return 0
      fi
--- a/dnsapi/dns_miab.sh
+++ b/dnsapi/dns_miab.sh
@ -17,7 +17,7 @@ Author: Darven Dissek, William Gertz
 dns_miab_add() {
  fulldomain=$1
  txtvalue=$2
-  _info "Using miab challange add"
+  _info "Using miab challenge add"
  _debug fulldomain "$fulldomain"
  _debug txtvalue "$txtvalue"

@ -26,7 +26,7 @@ dns_miab_add() {
    return 1
  fi

-  #check domain and seperate into doamin and host
+  #check domain and seperate into domain and host
  if ! _get_root "$fulldomain"; then
    _err "Cannot find any part of ${fulldomain} is hosted on ${MIAB_Server}"
    return 1
@ -55,7 +55,7 @@ dns_miab_rm() {
  fulldomain=$1
  txtvalue=$2

-  _info "Using miab challage delete"
+  _info "Using miab challenge delete"
  _debug fulldomain "$fulldomain"
  _debug txtvalue "$txtvalue"

@ -112,7 +112,7 @@ _get_root() {
  #cycle through the passed domain seperating out a test domain discarding
  #   the subdomain by marching thorugh the dots
  while true; do
-    _test_domain=$(printf "%s" "$_passed_domain" | cut -d . -f ${_i}-100)
+    _test_domain=$(printf "%s" "$_passed_domain" | cut -d . -f "${_i}"-100)
    _debug _test_domain "$_test_domain"

    if [ -z "$_test_domain" ]; then
@ -122,7 +122,7 @@ _get_root() {
    #report found if the test domain is in the json response and
    #   report the subdomain
    if _contains "$response" "\"$_test_domain\""; then
-      _sub_domain=$(printf "%s" "$_passed_domain" | cut -d . -f 1-${_p})
+      _sub_domain=$(printf "%s" "$_passed_domain" | cut -d . -f 1-"${_p}")
      _domain=${_test_domain}
      return 0
    fi
--- a/dnsapi/dns_misaka.sh
+++ b/dnsapi/dns_misaka.sh
@ -116,7 +116,7 @@ _get_root() {
    return 1
  fi
  while true; do
-    h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    h=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
    _debug h "$h"
    if [ -z "$h" ]; then
      #not valid
@ -124,7 +124,7 @@ _get_root() {
    fi

    if _contains "$response" "\"name\":\"$h\""; then
-      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
+      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-"$p")
      _domain="$h"
      return 0
    fi
--- a/dnsapi/dns_mydnsjp.sh
+++ b/dnsapi/dns_mydnsjp.sh
@ -126,7 +126,7 @@ _get_root() {
  fi

  while true; do
-    _domain=$(printf "%s" "$fulldomain" | cut -d . -f $i-100)
+    _domain=$(printf "%s" "$fulldomain" | cut -d . -f "$i"-100)

    if [ -z "$_domain" ]; then
      # not valid
@ -134,7 +134,7 @@ _get_root() {
    fi

    if [ "$_domain" = "$_root_domain" ]; then
-      _sub_domain=$(printf "%s" "$fulldomain" | cut -d . -f 1-$p)
+      _sub_domain=$(printf "%s" "$fulldomain" | cut -d . -f 1-"$p")
      return 0
    fi

--- a/dnsapi/dns_mythic_beasts.sh
+++ b/dnsapi/dns_mythic_beasts.sh
@ -107,7 +107,7 @@ _get_root() {

  _debug "Detect the root zone"
  while true; do
-    h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    h=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
    if [ -z "$h" ]; then
      _err "Domain exhausted"
      return 1
@ -118,7 +118,7 @@ _get_root() {
    _mb_rest GET "$h/records"
    ret="$?"
    if [ "$ret" -eq 0 ]; then
-      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
+      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-"$p")
      _domain="$h"
      _debug _sub_domain "$_sub_domain"
      _debug _domain "$_domain"
--- a/dnsapi/dns_namecheap.sh
+++ b/dnsapi/dns_namecheap.sh
@ -109,7 +109,7 @@ _get_root_by_getList() {

  while true; do

-    h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    h=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
    _debug h "$h"
    if [ -z "$h" ]; then
      #not valid
@ -123,7 +123,7 @@ _get_root_by_getList() {
    if ! _contains "$response" "$h"; then
      _debug "$h not found"
    else
-      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
+      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-"$p")
      _domain="$h"
      return 0
    fi
@ -137,14 +137,14 @@ _get_root_by_getHosts() {
  i=100
  p=99

-  while [ $p -ne 0 ]; do
+  while [ "$p" -ne 0 ]; do

-    h=$(printf "%s" "$1" | cut -d . -f $i-100)
+    h=$(printf "%s" "$1" | cut -d . -f "$i"-100)
    if [ -n "$h" ]; then
      if _contains "$h" "\\."; then
        _debug h "$h"
        if _namecheap_set_tld_sld "$h"; then
-          _sub_domain=$(printf "%s" "$1" | cut -d . -f 1-$p)
+          _sub_domain=$(printf "%s" "$1" | cut -d . -f 1-"$p")
          _domain="$h"
          return 0
        else
@ -378,7 +378,7 @@ _namecheap_set_tld_sld() {

  while true; do

-    _tld=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    _tld=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
    _debug tld "$_tld"

    if [ -z "$_tld" ]; then
--- a/dnsapi/dns_namecom.sh
+++ b/dnsapi/dns_namecom.sh
@ -159,15 +159,15 @@ _namecom_get_root() {

  # Need to exclude the last field (tld)
  numfields=$(echo "$domain" | _egrep_o "\." | wc -l)
-  while [ $i -le "$numfields" ]; do
-    host=$(printf "%s" "$domain" | cut -d . -f $i-100)
+  while [ "$i" -le "$numfields" ]; do
+    host=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
    _debug host "$host"
    if [ -z "$host" ]; then
      return 1
    fi

    if _contains "$response" "$host"; then
-      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
+      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-"$p")
      _domain="$host"
      return 0
    fi
--- a/dnsapi/dns_namesilo.sh
+++ b/dnsapi/dns_namesilo.sh
@ -109,15 +109,15 @@ _get_root() {

  # Need to exclude the last field (tld)
  numfields=$(echo "$domain" | _egrep_o "\." | wc -l)
-  while [ $i -le "$numfields" ]; do
-    host=$(printf "%s" "$domain" | cut -d . -f $i-100)
+  while [ "$i" -le "$numfields" ]; do
+    host=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
    _debug host "$host"
    if [ -z "$host" ]; then
      return 1
    fi

    if _contains "$response" ">$host</domain>"; then
-      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
+      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-"$p")
      _domain="$host"
      return 0
    fi
--- a/dnsapi/dns_nederhost.sh
+++ b/dnsapi/dns_nederhost.sh
@ -88,8 +88,8 @@ _get_root() {
  i=2
  p=1
  while true; do
-    _domain=$(printf "%s" "$domain" | cut -d . -f $i-100)
-    _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
+    _domain=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
+    _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-"$p")
    _debug _domain "$_domain"
    if [ -z "$_domain" ]; then
      #not valid
--- a/dnsapi/dns_neodigit.sh
+++ b/dnsapi/dns_neodigit.sh
@ -126,7 +126,7 @@ _get_root() {
  i=2
  p=1
  while true; do
-    h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    h=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
    _debug h "$h"
    if [ -z "$h" ]; then
      #not valid
@ -142,7 +142,7 @@ _get_root() {
    if _contains "$response" "\"name\":\"$h\"" >/dev/null; then
      _domain_id=$(echo "$response" | _egrep_o "\"id\":\s*[0-9]+" | _head_n 1 | cut -d: -f2 | cut -d, -f1)
      if [ "$_domain_id" ]; then
-        _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
+        _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-"$p")
        _domain=$h
        return 0
      fi
--- a/dnsapi/dns_netlify.sh
+++ b/dnsapi/dns_netlify.sh
@ -55,8 +55,6 @@ dns_netlify_add() {
    return 1
  fi

-  _err "Not fully implemented!"
-  return 1
 }

 #Usage: dns_myapi_rm   _acme-challenge.www.domain.com   "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
@ -95,7 +93,6 @@ dns_netlify_rm() {
      _err "error removing validation value ($_code)"
      return 1
    fi
-    return 0
  fi
  return 1
 }
@ -111,7 +108,7 @@ _get_root() {
  _netlify_rest GET "dns_zones" "" "$accesstoken"

  while true; do
-    h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    h=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
    _debug2 "Checking domain: $h"
    if [ -z "$h" ]; then
      #not valid
@ -126,7 +123,7 @@ _get_root() {
          #create the record at the domain apex (@) if only the domain name was provided as --domain-alias
          _sub_domain="@"
        else
-          _sub_domain=$(echo "$domain" | cut -d . -f 1-$p)
+          _sub_domain=$(echo "$domain" | cut -d . -f 1-"$p")
        fi
        _domain=$h
        return 0
--- a/dnsapi/dns_nic.sh
+++ b/dnsapi/dns_nic.sh
@ -169,7 +169,7 @@ _get_root() {
    fi

    if _contains "$_all_domains" "^$h$"; then
-      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
+      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-"$p")
      _domain=$h
      _service=$(printf "%s" "$response" | grep -m 1 "idn-name=\"$_domain\"" | sed -r "s/.*service=\"(.*)\".*$/\1/")
      return 0
--- a/dnsapi/dns_njalla.sh
+++ b/dnsapi/dns_njalla.sh
@ -126,7 +126,7 @@ _get_root() {
  p=1

  while true; do
-    h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    h=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
    _debug h "$h"
    if [ -z "$h" ]; then
      #not valid
@ -140,7 +140,7 @@ _get_root() {
    if _contains "$response" "\"$h\""; then
      _domain_returned=$(echo "$response" | _egrep_o "\{\"name\": *\"[^\"]*\"" | _head_n 1 | cut -d : -f 2 | tr -d \" | tr -d " ")
      if [ "$_domain_returned" ]; then
-        _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
+        _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-"$p")
        _domain=$h
        return 0
      fi
--- a/dnsapi/dns_nsone.sh
+++ b/dnsapi/dns_nsone.sh
@ -119,7 +119,7 @@ _get_root() {
    return 1
  fi
  while true; do
-    h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    h=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
    _debug h "$h"
    if [ -z "$h" ]; then
      #not valid
@ -127,7 +127,7 @@ _get_root() {
    fi

    if _contains "$response" "\"zone\":\"$h\""; then
-      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
+      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-"$p")
      _domain="$h"
      return 0
    fi
--- a/dnsapi/dns_nsupdate.sh
+++ b/dnsapi/dns_nsupdate.sh
@ -20,6 +20,7 @@ dns_nsupdate_add() {
  NSUPDATE_SERVER_PORT="${NSUPDATE_SERVER_PORT:-$(_readaccountconf_mutable NSUPDATE_SERVER_PORT)}"
  NSUPDATE_KEY="${NSUPDATE_KEY:-$(_readaccountconf_mutable NSUPDATE_KEY)}"
  NSUPDATE_ZONE="${NSUPDATE_ZONE:-$(_readaccountconf_mutable NSUPDATE_ZONE)}"
+  NSUPDATE_OPT="${NSUPDATE_OPT:-$(_readaccountconf_mutable NSUPDATE_OPT)}"

  _checkKeyFile || return 1

@ -28,21 +29,25 @@ dns_nsupdate_add() {
  _saveaccountconf_mutable NSUPDATE_SERVER_PORT "${NSUPDATE_SERVER_PORT}"
  _saveaccountconf_mutable NSUPDATE_KEY "${NSUPDATE_KEY}"
  _saveaccountconf_mutable NSUPDATE_ZONE "${NSUPDATE_ZONE}"
+  _saveaccountconf_mutable NSUPDATE_OPT "${NSUPDATE_OPT}"

  [ -n "${NSUPDATE_SERVER}" ] || NSUPDATE_SERVER="localhost"
  [ -n "${NSUPDATE_SERVER_PORT}" ] || NSUPDATE_SERVER_PORT=53
+  [ -n "${NSUPDATE_OPT}" ] || NSUPDATE_OPT=""

  _info "adding ${fulldomain}. 60 in txt \"${txtvalue}\""
  [ -n "$DEBUG" ] && [ "$DEBUG" -ge "$DEBUG_LEVEL_1" ] && nsdebug="-d"
  [ -n "$DEBUG" ] && [ "$DEBUG" -ge "$DEBUG_LEVEL_2" ] && nsdebug="-D"
  if [ -z "${NSUPDATE_ZONE}" ]; then
-    nsupdate -k "${NSUPDATE_KEY}" $nsdebug <<EOF
+    #shellcheck disable=SC2086
+    nsupdate -k "${NSUPDATE_KEY}" $nsdebug $NSUPDATE_OPT <<EOF
 server ${NSUPDATE_SERVER}  ${NSUPDATE_SERVER_PORT}
 update add ${fulldomain}. 60 in txt "${txtvalue}"
 send
 EOF
  else
-    nsupdate -k "${NSUPDATE_KEY}" $nsdebug <<EOF
+    #shellcheck disable=SC2086
+    nsupdate -k "${NSUPDATE_KEY}" $nsdebug $NSUPDATE_OPT <<EOF
 server ${NSUPDATE_SERVER}  ${NSUPDATE_SERVER_PORT}
 zone ${NSUPDATE_ZONE}.
 update add ${fulldomain}. 60 in txt "${txtvalue}"
@ -65,6 +70,7 @@ dns_nsupdate_rm() {
  NSUPDATE_SERVER_PORT="${NSUPDATE_SERVER_PORT:-$(_readaccountconf_mutable NSUPDATE_SERVER_PORT)}"
  NSUPDATE_KEY="${NSUPDATE_KEY:-$(_readaccountconf_mutable NSUPDATE_KEY)}"
  NSUPDATE_ZONE="${NSUPDATE_ZONE:-$(_readaccountconf_mutable NSUPDATE_ZONE)}"
+  NSUPDATE_OPT="${NSUPDATE_OPT:-$(_readaccountconf_mutable NSUPDATE_OPT)}"

  _checkKeyFile || return 1
  [ -n "${NSUPDATE_SERVER}" ] || NSUPDATE_SERVER="localhost"
@ -73,13 +79,15 @@ dns_nsupdate_rm() {
  [ -n "$DEBUG" ] && [ "$DEBUG" -ge "$DEBUG_LEVEL_1" ] && nsdebug="-d"
  [ -n "$DEBUG" ] && [ "$DEBUG" -ge "$DEBUG_LEVEL_2" ] && nsdebug="-D"
  if [ -z "${NSUPDATE_ZONE}" ]; then
-    nsupdate -k "${NSUPDATE_KEY}" $nsdebug <<EOF
+    #shellcheck disable=SC2086
+    nsupdate -k "${NSUPDATE_KEY}" $nsdebug $NSUPDATE_OPT <<EOF
 server ${NSUPDATE_SERVER}  ${NSUPDATE_SERVER_PORT}
 update delete ${fulldomain}. txt
 send
 EOF
  else
-    nsupdate -k "${NSUPDATE_KEY}" $nsdebug <<EOF
+    #shellcheck disable=SC2086
+    nsupdate -k "${NSUPDATE_KEY}" $nsdebug $NSUPDATE_OPT <<EOF
 server ${NSUPDATE_SERVER}  ${NSUPDATE_SERVER_PORT}
 zone ${NSUPDATE_ZONE}.
 update delete ${fulldomain}. txt
--- a/dnsapi/dns_nw.sh
+++ b/dnsapi/dns_nw.sh
@ -154,7 +154,7 @@ _get_root() {

    _debug response "${response}"
    while true; do
-      h=$(printf "%s" "${domain}" | cut -d . -f $i-100)
+      h=$(printf "%s" "${domain}" | cut -d . -f "$i"-100)
      _debug h "${h}"
      if [ -z "${h}" ]; then
        #not valid
@ -165,7 +165,7 @@ _get_root() {
      if [ "${hostedzone}" ]; then
        _zone_id=$(printf "%s\n" "${hostedzone}" | _egrep_o "\"zone_id\": *[0-9]+" | _head_n 1 | cut -d : -f 2 | tr -d \ )
        if [ "${_zone_id}" ]; then
-          _sub_domain=$(printf "%s" "${domain}" | cut -d . -f 1-${p})
+          _sub_domain=$(printf "%s" "${domain}" | cut -d . -f 1-"${p}")
          _domain="${h}"
          return 0
        fi
--- a/dnsapi/dns_oci.sh
+++ b/dnsapi/dns_oci.sh
@ -190,7 +190,7 @@ _get_zone() {
  p=1

  while true; do
-    h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    h=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
    _debug h "$h"
    if [ -z "$h" ]; then
      # not valid
@ -199,7 +199,7 @@ _get_zone() {

    _domain_id=$(_signed_request "GET" "/20180115/zones/$h" "" "id")
    if [ "$_domain_id" ]; then
-      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
+      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-"$p")
      _domain=$h

      _debug _domain_id "$_domain_id"
--- a/dnsapi/dns_omglol.sh
+++ b/dnsapi/dns_omglol.sh
@ -0,0 +1,395 @@
+#!/usr/bin/env sh
+# shellcheck disable=SC2034
+dns_myapi_info='omg.lol
+ Based on the omg.lol API, defined at https://api.omg.lol/
+Domains: omg.lol
+Site: github.com/acmesh-official/acme.sh/wiki/DNS-API-Dev-Guide
+Docs: github.com/acmesh-official/acme.sh/wiki/dnsapi#dns_duckdns
+Options:
+ OMG_ApiKey API Key from omg.lol.  This is accesible from the bottom of the account page at https://home.omg.lol/account
+ OMG_Address This is your omg.lol address, without the preceding @ - you can see your list on your dashboard at https://home.omg.lol/dashboard
+Issues: github.com/acmesh-official/acme.sh
+Author: @Kholin <kholin+acme.omglolapi@omg.lol>
+'
+
+#returns 0 means success, otherwise error.
+
+########  Public functions #####################
+
+# Please Read this guide first: https://github.com/acmesh-official/acme.sh/wiki/DNS-API-Dev-Guide
+
+#Usage: dns_myapi_add   _acme-challenge.www.domain.com   "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
+dns_omglol_add() {
+  fulldomain=$1
+  txtvalue=$2
+  OMG_ApiKey="${OMG_ApiKey:-$(_readaccountconf_mutable OMG_ApiKey)}"
+  OMG_Address="${OMG_Address:-$(_readaccountconf_mutable OMG_Address)}"
+
+  # As omg.lol includes a leading @ for their addresses, pre-strip this before save
+  OMG_Address="$(echo "$OMG_Address" | tr -d '@')"
+
+  _saveaccountconf_mutable OMG_ApiKey "$OMG_ApiKey"
+  _saveaccountconf_mutable OMG_Address "$OMG_Address"
+
+  _info "Using omg.lol."
+  _debug "Function" "dns_omglol_add()"
+  _debug "Full Domain Name" "$fulldomain"
+  _debug "txt Record Value" "$txtvalue"
+  _secure_debug "omg.lol API key" "$OMG_ApiKey"
+  _debug "omg.lol Address" "$OMG_Address"
+
+  omg_validate "$OMG_ApiKey" "$OMG_Address" "$fulldomain"
+  if [ ! $? ]; then
+    return 1
+  fi
+
+  dnsName=$(_getDnsRecordName "$fulldomain" "$OMG_Address")
+  authHeader="$(_createAuthHeader "$OMG_ApiKey")"
+
+  _debug2 "dns_omglol_add(): Address" "$dnsName"
+
+  omg_add "$OMG_Address" "$authHeader" "$dnsName" "$txtvalue"
+
+}
+
+#Usage: fulldomain txtvalue
+#Remove the txt record after validation.
+dns_omglol_rm() {
+  fulldomain=$1
+  txtvalue=$2
+  OMG_ApiKey="${OMG_ApiKey:-$(_readaccountconf_mutable OMG_ApiKey)}"
+  OMG_Address="${OMG_Address:-$(_readaccountconf_mutable OMG_Address)}"
+
+  # As omg.lol includes a leading @ for their addresses, strip this in case provided
+  OMG_Address="$(echo "$OMG_Address" | tr -d '@')"
+
+  _info "Using omg.lol"
+  _debug "Function" "dns_omglol_rm()"
+  _debug "Full Domain Name" "$fulldomain"
+  _debug "txt Record Value" "$txtvalue"
+  _secure_debug "omg.lol API key" "$OMG_ApiKey"
+  _debug "omg.lol Address" "$OMG_Address"
+
+  omg_validate "$OMG_ApiKey" "$OMG_Address" "$fulldomain"
+  if [ ! $? ]; then
+    return 1
+  fi
+
+  dnsName=$(_getDnsRecordName "$fulldomain" "$OMG_Address")
+  authHeader="$(_createAuthHeader "$OMG_ApiKey")"
+
+  omg_delete "$OMG_Address" "$authHeader" "$dnsName" "$txtvalue"
+}
+
+####################  Private functions below ##################################
+# Check that the minimum requirements are present.  Close ungracefully if not
+omg_validate() {
+  omg_apikey=$1
+  omg_address=$2
+  fulldomain=$3
+
+  _debug2 "Function" "dns_validate()"
+  _secure_debug2 "omg.lol API key" "$omg_apikey"
+  _debug2 "omg.lol Address" "$omg_address"
+  _debug2 "Full Domain Name" "$fulldomain"
+
+  if [ "" = "$omg_address" ]; then
+    _err "omg.lol base address not provided.  Exiting"
+    return 1
+  fi
+
+  if [ "" = "$omg_apikey" ]; then
+    _err "omg.lol API key not provided.  Exiting"
+    return 1
+  fi
+
+  _endswith "$fulldomain" "omg.lol"
+  if [ ! $? ]; then
+    _err "Domain name requested is not under omg.lol"
+    return 1
+  fi
+
+  _endswith "$fulldomain" "$omg_address.omg.lol"
+  if [ ! $? ]; then
+    _err "Domain name is not a subdomain of provided omg.lol address $omg_address"
+    return 1
+  fi
+
+  _debug "Required environment parameters are all present"
+}
+
+# Add (or modify) an entry for a new ACME query
+omg_add() {
+  address=$1
+  authHeader=$2
+  dnsName=$3
+  txtvalue=$4
+
+  _info "Creating DNS entry for $dnsName"
+  _debug2 "omg_add()"
+  _debug2 "omg.lol Address: " "$address"
+  _secure_debug2 "omg.lol authorization header: " "$authHeader"
+  _debug2 "Full Domain name:" "$dnsName.$address.omg.lol"
+  _debug2 "TXT value to set:" "$txtvalue"
+
+  export _H1="$authHeader"
+
+  endpoint="https://api.omg.lol/address/$address/dns"
+  _debug2 "Endpoint" "$endpoint"
+
+  payload='{"type": "TXT", "name":"'"$dnsName"'", "data":"'"$txtvalue"'", "ttl":30}'
+  _debug2 "Payload" "$payload"
+
+  response=$(_post "$payload" "$endpoint" "" "POST" "application/json")
+
+  omg_validate_add "$response" "$dnsName.$address" "$txtvalue"
+}
+
+omg_validate_add() {
+  response=$1
+  name=$2
+  content=$3
+
+  _debug "Validating DNS record addition"
+  _debug2 "omg_validate_add()"
+  _debug2 "Response" "$response"
+  _debug2 "DNS Name" "$name"
+  _debug2 "DNS value" "$content"
+
+  _jsonResponseCheck "$response" "success" "true"
+  if [ "1" = "$?" ]; then
+    _err "Response did not report success"
+    return 1
+  fi
+
+  _jsonResponseCheck "$response" "message" "Your DNS record was created successfully."
+  if [ "1" = "$?" ]; then
+    _err "Response message did not indicate DNS record was successfully created"
+    return 1
+  fi
+
+  _jsonResponseCheck "$response" "name" "$name"
+  if [ "1" = "$?" ]; then
+    _err "Response DNS Name did not match the response received"
+    return 1
+  fi
+
+  _jsonResponseCheck "$response" "content" "$content"
+  if [ "1" = "$?" ]; then
+    _err "Response DNS Name did not match the response received"
+    return 1
+  fi
+
+  _info "Record Created successfully"
+  return 0
+}
+
+omg_getRecords() {
+  address=$1
+  authHeader=$2
+  dnsName=$3
+  txtValue=$4
+
+  _debug2 "omg_getRecords()"
+  _debug2 "omg.lol Address: " "$address"
+  _secure_debug2 "omg.lol Auth Header: " "$authHeader"
+  _debug2 "omg.lol DNS name:" "$dnsName"
+  _debug2 "txt Value" "$txtValue"
+
+  export _H1="$authHeader"
+
+  endpoint="https://api.omg.lol/address/$address/dns"
+  _debug2 "Endpoint" "$endpoint"
+
+  payload=$(_get "$endpoint")
+
+  _debug2 "Received Payload:" "$payload"
+
+  # Reformat the JSON to be more parseable
+  recordID=$(echo "$payload" | _stripWhitespace)
+  recordID=$(echo "$recordID" | _exposeJsonArray)
+
+  # Now find the one with the right value, and caputre its ID
+  recordID=$(echo "$recordID" | grep -- "$txtValue" | grep -i -- "$dnsName.$address")
+  _getJsonElement "$recordID" "id"
+}
+
+omg_delete() {
+  address=$1
+  authHeader=$2
+  dnsName=$3
+  txtValue=$4
+
+  _info "Deleting DNS entry for $dnsName with value $txtValue"
+  _debug2 "omg_delete()"
+  _debug2 "omg.lol Address: " "$address"
+  _secure_debug2 "omg.lol Auth Header: " "$authHeader"
+  _debug2 "Full Domain name:" "$dnsName.$address.omg.lol"
+  _debug2 "txt Value" "$txtValue"
+
+  record=$(omg_getRecords "$address" "$authHeader" "$dnsName" "$txtvalue")
+  if [ "" = "$record" ]; then
+    _err "DNS record $address not found!"
+    return 1
+  fi
+
+  endpoint="https://api.omg.lol/address/$address/dns/$record"
+  _debug2 "Endpoint" "$endpoint"
+
+  export _H1="$authHeader"
+  output=$(_post "" "$endpoint" "" "DELETE")
+
+  _debug2 "Response" "$output"
+
+  omg_validate_delete "$output"
+}
+
+# Validate the response on request to delete.  Confirm stastus is success and
+# Message indicates deletion was successful
+# Input: Response - HTTP response received from delete request
+omg_validate_delete() {
+  response=$1
+
+  _info "Validating DNS record deletion"
+  _debug2 "omg_validate_delete()"
+  _debug2 "Response" "$response"
+
+  _jsonResponseCheck "$output" "success" "true"
+  if [ "1" = "$?" ]; then
+    _err "Response did not report success"
+    return 1
+  fi
+
+  _jsonResponseCheck "$output" "message" "OK, your DNS record has been deleted."
+  if [ "1" = "$?" ]; then
+    _err "Response message did not indicate DNS record was successfully deleted"
+    return 1
+  fi
+
+  _info "Record deleted successfully"
+  return 0
+}
+
+########## Utility Functions #####################################
+# All utility functions only log at debug3
+_jsonResponseCheck() {
+  response=$1
+  field=$2
+  correct=$3
+
+  correct=$(echo "$correct" | _lower_case)
+
+  _debug3 "jsonResponseCheck()"
+  _debug3 "Response to parse" "$response"
+  _debug3 "Field to get response from" "$field"
+  _debug3 "What is the correct response" "$correct"
+
+  responseValue=$(_jsonGetLastResponse "$response" "$field")
+
+  if [ "$responseValue" != "$correct" ]; then
+    _debug3 "Expected: $correct"
+    _debug3 "Actual: $responseValue"
+    return 1
+  else
+    _debug3 "Matched: $responseValue"
+  fi
+  return 0
+}
+
+_jsonGetLastResponse() {
+  response=$1
+  field=$2
+
+  _debug3 "jsonGetLastResponse()"
+  _debug3 "Response provided" "$response"
+  _debug3 "Field to get responses for" "$field"
+
+  responseValue=$(echo "$response" | grep -- "\"$field\"" | cut -f2 -d":")
+
+  _debug3 "Response lines found:" "$responseValue"
+
+  responseValue=$(echo "$responseValue" | sed 's/^ //g' | sed 's/^"//g' | sed 's/\\"//g')
+  responseValue=$(echo "$responseValue" | sed 's/,$//g' | sed 's/"$//g')
+  responseValue=$(echo "$responseValue" | _lower_case)
+
+  _debug3 "Responses found" "$responseValue"
+  _debug3 "Response Selected" "$(echo "$responseValue" | tail -1)"
+
+  echo "$responseValue" | tail -1
+}
+
+_stripWhitespace() {
+  tr -d '\n' | tr -d '\r' | tr -d '\t' | sed -r 's/ +/ /g' | sed 's/\\"//g'
+}
+
+_exposeJsonArray() {
+  sed -r 's/.*\[//g' | tr '}' '|' | tr '{' '|' | sed 's/|, |/|/g' | tr '|' '\n'
+}
+
+_getJsonElement() {
+  content=$1
+  field=$2
+
+  _debug3 "_getJsonElement()"
+  _debug3 "Input JSON element" "$content"
+  _debug3 "JSON element to isolate" "$field"
+
+  # With a single JSON entry to parse, convert commas to newlines puts each element on
+  # its own line - which then allows us to just grep teh name, remove the key, and
+  # isolate the value
+  output=$(echo "$content" | tr ',' '\n' | grep -- "\"$field\":" | sed 's/.*: //g')
+
+  _debug3 "String before unquoting: $output"
+
+  _unquoteString "$output"
+}
+
+_createAuthHeader() {
+  apikey=$1
+
+  _debug3 "_createAuthHeader()"
+  _secure_debug3 "Provided API Key" "$apikey"
+
+  authheader="Authorization: Bearer $apikey"
+  _secure_debug3 "Authorization Header" "$authheader"
+  echo "$authheader"
+}
+
+_getDnsRecordName() {
+  fqdn=$1
+  address=$2
+
+  _debug3 "_getDnsRecordName()"
+  _debug3 "FQDN" "$fqdn"
+  _debug3 "omg.lol Address" "$address"
+
+  echo "$fqdn" | sed 's/\.omg\.lol//g' | sed 's/\.'"$address"'$//g'
+}
+
+_unquoteString() {
+  output=$1
+  quotes=0
+
+  _debug3 "_unquoteString()"
+  _debug3 "Possibly quoted string" "$output"
+
+  _startswith "$output" "\""
+  if [ $? ]; then
+    quotes=$((quotes + 1))
+  fi
+
+  _endswith "$output" "\""
+  if [ $? ]; then
+    quotes=$((quotes + 1))
+  fi
+
+  _debug3 "Original String: $output"
+  _debug3 "Quotes found: $quotes"
+
+  if [ $((quotes)) -gt 1 ]; then
+    output=$(echo "$output" | sed 's/^"//g' | sed 's/"$//g')
+    _debug3 "Quotes removed: $output"
+  fi
+
+  echo "$output"
+}
--- a/dnsapi/dns_one.sh
+++ b/dnsapi/dns_one.sh
@ -94,7 +94,7 @@ _get_root() {
  i=1
  p=1
  while true; do
-    h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    h=$(printf "%s" "$domain" | cut -d . -f "$i"-100)

    if [ -z "$h" ]; then
      #not valid
@ -104,7 +104,7 @@ _get_root() {
    response="$(_get "https://www.one.com/admin/api/domains/$h/dns/custom_records")"

    if ! _contains "$response" "CRMRST_000302"; then
-      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
+      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-"$p")
      _domain="$h"
      return 0
    fi
--- a/dnsapi/dns_online.sh
+++ b/dnsapi/dns_online.sh
@ -124,7 +124,7 @@ _get_root() {
  i=2
  p=1
  while true; do
-    h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    h=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
    if [ -z "$h" ]; then
      #not valid
      return 1
@ -133,7 +133,7 @@ _get_root() {
    _online_rest GET "domain/$h/version/active"

    if ! _contains "$response" "Domain not found" >/dev/null; then
-      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
+      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-"$p")
      _domain="$h"
      _real_dns_version=$(echo "$response" | _egrep_o '"uuid_ref":.*' | cut -d ':' -f 2 | cut -d '"' -f 2)
      return 0
--- a/dnsapi/dns_openprovider.sh
+++ b/dnsapi/dns_openprovider.sh
@ -68,7 +68,7 @@ dns_openprovider_add() {
        new_item="$(echo "$item" | sed -n 's/.*<item>.*\(<name>\(.*\)'"$_domain_name"'\.'"$_domain_extension"'<\/name>.*\(<type>.*<\/type>\).*\(<value>.*<\/value>\).*\(<prio>.*<\/prio>\).*\(<ttl>.*<\/ttl>\)\).*<\/item>.*/<item><name>\2<\/name>\3\4\5\6<\/item>/p')"
      fi

-      if [ -z "$(echo "$new_item" | _egrep_o ".*<type>(A|AAAA|CNAME|MX|SPF|SRV|TXT|TLSA|SSHFP|CAA|NS)<\/type>.*")" ]; then
+      if [ -z "$(echo "$new_item" | _egrep_o ".*<type>(A|AAAA|CNAME|MX|SPF|SRV|TXT|TLSA|SSHFP|CAA)<\/type>.*")" ]; then
        _debug "not an allowed record type, skipping" "$new_item"
        continue
      fi
@ -152,7 +152,7 @@ dns_openprovider_rm() {
        new_item="$(echo "$item" | sed -n 's/.*<item>.*\(<name>\(.*\)'"$_domain_name"'\.'"$_domain_extension"'<\/name>.*\(<type>.*<\/type>\).*\(<value>.*<\/value>\).*\(<prio>.*<\/prio>\).*\(<ttl>.*<\/ttl>\)\).*<\/item>.*/<item><name>\2<\/name>\3\4\5\6<\/item>/p')"
      fi

-      if [ -z "$(echo "$new_item" | _egrep_o ".*<type>(A|AAAA|CNAME|MX|SPF|SRV|TXT|TLSA|SSHFP|CAA|NS)<\/type>.*")" ]; then
+      if [ -z "$(echo "$new_item" | _egrep_o ".*<type>(A|AAAA|CNAME|MX|SPF|SRV|TXT|TLSA|SSHFP|CAA)<\/type>.*")" ]; then
        _debug "not an allowed record type, skipping" "$new_item"
        continue
      fi
@ -186,7 +186,7 @@ _get_root() {

  results_retrieved=0
  while true; do
-    h=$(echo "$domain" | cut -d . -f $i-100)
+    h=$(echo "$domain" | cut -d . -f "$i"-100)
    _debug h "$h"
    if [ -z "$h" ]; then
      #not valid
--- a/dnsapi/dns_opnsense.sh
+++ b/dnsapi/dns_opnsense.sh
@ -144,7 +144,7 @@ _get_root() {
  fi

  while true; do
-    h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    h=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
    if [ -z "$h" ]; then
      #not valid
      return 1
@ -153,13 +153,13 @@ _get_root() {
    id=$(echo "$_domain_response" | _egrep_o "\"uuid\":\"[a-z0-9\-]*\",\"enabled\":\"1\",\"type\":\"primary\",\"domainname\":\"${h}\"" | cut -d ':' -f 2 | cut -d '"' -f 2)
    if [ -n "$id" ]; then
      _debug id "$id"
-      _host=$(printf "%s" "$domain" | cut -d . -f 1-$p)
+      _host=$(printf "%s" "$domain" | cut -d . -f 1-"$p")
      _domain="${h}"
      _domainid="${id}"
      return 0
    fi
    p=$i
-    i=$(_math $i + 1)
+    i=$(_math "$i" + 1)
  done
  _debug "$domain not found"

--- a/dnsapi/dns_ovh.sh
+++ b/dnsapi/dns_ovh.sh
@ -113,7 +113,7 @@ _initAuth() {
    _saveaccountconf_mutable OVH_END_POINT "$OVH_END_POINT"
  fi

-  OVH_API="$(_ovh_get_api $OVH_END_POINT)"
+  OVH_API="$(_ovh_get_api "$OVH_END_POINT")"
  _debug OVH_API "$OVH_API"

  OVH_CK="${OVH_CK:-$(_readaccountconf_mutable OVH_CK)}"
@ -260,7 +260,7 @@ _get_root() {
  i=1
  p=1
  while true; do
-    h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    h=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
    if [ -z "$h" ]; then
      #not valid
      return 1
@ -273,7 +273,7 @@ _get_root() {
    if ! _contains "$response" "This service does not exist" >/dev/null &&
      ! _contains "$response" "This call has not been granted" >/dev/null &&
      ! _contains "$response" "NOT_GRANTED_CALL" >/dev/null; then
-      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
+      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-"$p")
      _domain="$h"
      return 0
    fi
--- a/dnsapi/dns_pdns.sh
+++ b/dnsapi/dns_pdns.sh
@ -181,7 +181,7 @@ _get_root() {
  fi

  while true; do
-    h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    h=$(printf "%s" "$domain" | cut -d . -f "$i"-100)

    if _contains "$_zones_response" "\"name\":\"$h.\""; then
      _domain="$h."
@ -194,7 +194,7 @@ _get_root() {
    if [ -z "$h" ]; then
      return 1
    fi
-    i=$(_math $i + 1)
+    i=$(_math "$i" + 1)
  done
  _debug "$domain not found"

--- a/dnsapi/dns_pointhq.sh
+++ b/dnsapi/dns_pointhq.sh
@ -118,7 +118,7 @@ _get_root() {
  i=2
  p=1
  while true; do
-    h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    h=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
    _debug h "$h"
    if [ -z "$h" ]; then
      #not valid
@ -130,7 +130,7 @@ _get_root() {
    fi

    if _contains "$response" "\"name\":\"$h\"" >/dev/null; then
-      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p)
+      _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-"$p")
      _domain=$h
      return 0
    fi
--- a/dnsapi/dns_porkbun.sh
+++ b/dnsapi/dns_porkbun.sh
@ -9,7 +9,7 @@ Options:
 Issues: github.com/acmesh-official/acme.sh/issues/3450
 '

-PORKBUN_Api="https://porkbun.com/api/json/v3"
+PORKBUN_Api="https://api.porkbun.com/api/json/v3"

 ########  Public functions #####################

@ -93,7 +93,7 @@ dns_porkbun_rm() {
      _err "Delete record error."
      return 1
    fi
-    echo "$response" | tr -d " " | grep '\"status\":"SUCCESS"' >/dev/null
+    echo "$response" | tr -d " " | grep '"status":"SUCCESS"' >/dev/null
  fi

 }
@ -107,7 +107,7 @@ _get_root() {
  domain=$1
  i=1
  while true; do
-    h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    h=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
    _debug h "$h"
    if [ -z "$h" ]; then
      return 1
@ -139,7 +139,7 @@ _porkbun_rest() {
  api_key_trimmed=$(echo "$PORKBUN_API_KEY" | tr -d '"')
  secret_api_key_trimmed=$(echo "$PORKBUN_SECRET_API_KEY" | tr -d '"')

-  test -z "$data" && data="{" || data="$(echo $data | cut -d'}' -f1),"
+  test -z "$data" && data="{" || data="$(echo "$data" | cut -d'}' -f1),"
  data="$data\"apikey\":\"$api_key_trimmed\",\"secretapikey\":\"$secret_api_key_trimmed\"}"

  export _H1="Content-Type: application/json"
--- a/dnsapi/dns_rackcorp.sh
+++ b/dnsapi/dns_rackcorp.sh
@ -83,7 +83,7 @@ _get_root() {
    return 1
  fi
  while true; do
-    h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    h=$(printf "%s" "$domain" | cut -d . -f "$i"-100)
    _debug searchhost "$h"
    if [ -z "$h" ]; then
      _err "Could not find domain for record $domain in RackCorp using the provided credentials"
@ -95,7 +95,7 @@ _get_root() {

    if _contains "$response" "\"matches\":1"; then
      if _contains "$response" "\"name\":\"$h\""; then
-        _lookup=$(printf "%s" "$domain" | cut -d . -f 1-$p)
+        _lookup=$(printf "%s" "$domain" | cut -d . -f 1-"$p")
        _domain="$h"
        return 0
      fi
--- a/Show More
+++ b/Show More