- Plesk for Linux
- Plesk for Windows
- After applying the instructions for the Let's Encrypt SSL certificate issuing from the article the following error message received:
PLESK_ERROR: Could not issue a Let's Encrypt SSL/TLS certificate for example.com. Authorization for the domain failed.
Invalid response from https://acme-v02.api.letsencrypt.org/acme/authz-v3/2634982859.
Detail: DNS problem: SERVFAIL looking up TXT for _acme-challenge.example.com - the domain's nameservers may be malfunctioning
- The used nameservers for the example.com are managed externally
- The TXT record for example.com is not propagated globally:
# dig -t txt _acme-challenge.example.com +short @18.104.22.168
The DNS TXT record was not added on the nameservers on the registrar-side.
Log in to Plesk
Go to Domains > example.com > SSL/TLS Certificates > Install a free basic certificate provided by Let's Encrypt check the Issue a wildcard SSL/TLS certificate option and click on Install
Note: After that do not click Continue/Reload
Then add the described DNS TXT record on the nameservers on the registrar-side.
After the TXT record was added on the nameservers on the registrar-side and DNS propagation will be finished, click Continue/Reload
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