Symptoms
-
Email with following content is received:
Could not secure domains of johndoe (login jdoe) with Let`s Encrypt certificates. Please log in to Plesk and secure the domains listed below manually.
Securing of the following domains has failed:
'example.com'
Invalid response from https://acme-v02.api.letsencrypt.org/acme/authz-v3/1234567.
Details:
Type: urn:ietf:params:acme:error:dns
Status: 400
Detail: No valid IP addresses found for sub.example.com
'sub2.example.com'
No domains have passed validation -
Domain sub.example.com is not accessible with webbrowser
-
External DNS Server is used
Cause
Domain sub.example.com
has no A type DNS record.
Resolution
If the domain is not hosted on the Plesk server, delete the subdomain in Plesk.
Alternatively, set up A record for it in external DNS server.