sergerisse.homedns.org has an A (IPv4) record (217.162.124.104) but a request to this address over port 80 did not succeed. Your web server must have at least one working IPv4 or IPv6 address.
A timeout was experienced while communicating with sergerisse.homedns.org/217.162.124.104: Get "http://sergerisse.homedns.org/.well-known/acme-challenge/letsdebug-test": context deadline exceeded
Trace:
@0ms: Making a request to http://sergerisse.homedns.org/.well-known/acme-challenge/letsdebug-test (using initial IP 217.162.124.104)
@0ms: Dialing 217.162.124.104
@10006ms: Experienced error: context deadline exceeded
An internal error occurred while checking the domain
An unknown issue occurred when performing a test authorization against the Let's Encrypt staging service: acme: challenge update timeout
The current status as reported by the Let's Encrypt status page is Degraded Performance as at 2022-11-22 07:35:35.096 +0000 UTC. Depending on the reported problem, this may affect certificate issuance. For more information, please visit the status page.
https://letsencrypt.status.io/