git.stubenhocker.tech has an A (IPv4) record (82.197.161.171) 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.
Get "http://git.stubenhocker.tech/.well-known/acme-challenge/letsdebug-test": dial tcp 82.197.161.171:80: connect: connection refused
Trace:
@0ms: Making a request to http://git.stubenhocker.tech/.well-known/acme-challenge/letsdebug-test (using initial IP 82.197.161.171)
@0ms: Dialing 82.197.161.171
@101ms: Experienced error: dial tcp 82.197.161.171:80: connect: connection refused
A test authorization for git.stubenhocker.tech to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
82.197.161.171: Fetching http://git.stubenhocker.tech/.well-known/acme-challenge/JpeZ5vi7Ijm1f3dQU6gQe_PI5-jGbOEWRq3j3O6V2Sk: Connection refused