test.althoff-fam.de has an A (IPv4) record (77.2.63.88) 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 test.althoff-fam.de/77.2.63.88: Get "https://test.althoff-fam.de:443/.well-known/acme-challenge/letsdebug-test": context deadline exceeded
Trace:
@0ms: Making a request to http://test.althoff-fam.de/.well-known/acme-challenge/letsdebug-test (using initial IP 77.2.63.88)
@0ms: Dialing 77.2.63.88
@216ms: Server response: HTTP 301 Moved Permanently
@216ms: Received redirect to https://test.althoff-fam.de:443/.well-known/acme-challenge/letsdebug-test
@216ms: Dialing 77.2.63.88
@10001ms: Experienced error: context deadline exceeded
A test authorization for test.althoff-fam.de to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
77.2.63.88: Fetching https://test.althoff-fam.de:443/.well-known/acme-challenge/4tPcAKpYWD8AOuIJ8mHJJT2zBauKoZFMkCKHlA6N-rY: Timeout after connect (your server may be slow or overloaded)