dmfstudentrad.no has an A (IPv4) record (82.102.27.138) 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://dmfstudentrad.no/.well-known/acme-challenge/letsdebug-test": dial tcp 82.102.27.138:80: connect: connection refused
Trace:
@0ms: Making a request to http://dmfstudentrad.no/.well-known/acme-challenge/letsdebug-test (using initial IP 82.102.27.138)
@6ms: Dialing 82.102.27.138
@105ms: Experienced error: dial tcp 82.102.27.138:80: connect: connection refused
A test authorization for dmfstudentrad.no to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
Fetching http://dmfstudentrad.no/.well-known/acme-challenge/DK8pO4VWCccEmCoi1vqYPg6ZjvXWJV-5O1CK-2RyedE: Connection refused