Updated dnsapi2 (markdown)

dnsapi2.md

@@ -100,6 +100,7 @@
 - [176. Use OpenProvider (REST) DNS API](#dns_openprovider_rest)
 - [177. Use Beget.com DNS API](#dns_beget)
 - [178. Use FreeMyIP DNS API](#dns_freemyip)
+- [178. Use Area-7 DNS API](#dns_area7)
 - [Use custom API](#dns_myapi)
 - [Use lexicon DNS API](#dns_lexicon)
 
@@ -2527,6 +2528,29 @@ To issue your certificate run:
 
 Report any bugs or issues [here](https://github.com/acmesh-official/acme.sh/issues/6247)
 
+<a name="dns_freemyip"/>
+
+## 179. Use area-7 DNS API
+
+This uses the DNS-API of area-7 IT-Services GmbH Cloud-DNS
+
+1. First you need to create a new (not already taken) domain
+2. Grab the API token you are given
+
+Before running `acme.sh` script, you need to provide your token:
+
+```sh
+export area7_Token="API_token"
+```
+
+To issue your certificate run:
+
+```sh
+./acme.sh --issue --dns dns_area7 -d example.area-7.cloud
+```
+
+Report any bugs or issues [here](https://github.com/acmesh-official/acme.sh/issues/6248)
+
 <a name="dns_myapi"/>
 
 ## Use custom API