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+Just use ip as the `-d` parameter:
+
+```
+acme.sh  --issue  -d 1.1.1.1  --w /etc/apachet/xxxxxx
+```
+
+As the rfc 8738 requires: https://tools.ietf.org/html/rfc8738
+
+If the ip address can not be validated by dns methods. Only  http/webroot  and  alpn methods are allowded.
+
+
+
+