homebitwarden.ddnss.de has an A (IPv4) record (94.31.104.11) 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 homebitwarden.ddnss.de/94.31.104.11: Get "http://homebitwarden.ddnss.de/.well-known/acme-challenge/letsdebug-test": context deadline exceeded
Trace:
@0ms: Making a request to http://homebitwarden.ddnss.de/.well-known/acme-challenge/letsdebug-test (using initial IP 94.31.104.11)
@0ms: Dialing 94.31.104.11
@10000ms: Experienced error: context deadline exceeded
A test authorization for homebitwarden.ddnss.de to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
94.31.104.11: Fetching http://homebitwarden.ddnss.de/.well-known/acme-challenge/Tu3NN6NIVWP4GuD6t02q4N-ED1fKmDO7TgX8-SSkXDE: Timeout during connect (likely firewall problem)