fennelserver.hopto.org has an A (IPv4) record (161.38.146.13) 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 fennelserver.hopto.org/161.38.146.13: Get "http://fennelserver.hopto.org/.well-known/acme-challenge/letsdebug-test": context deadline exceeded
Trace:
@0ms: Making a request to http://fennelserver.hopto.org/.well-known/acme-challenge/letsdebug-test (using initial IP 161.38.146.13)
@0ms: Dialing 161.38.146.13
@10001ms: Experienced error: context deadline exceeded
A test authorization for fennelserver.hopto.org to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
161.38.146.13: Fetching http://fennelserver.hopto.org/.well-known/acme-challenge/pEMy-2L43nJu3iqvn8DPZvzlhCwYvLI3BGbCNDBAQ6U: Timeout during connect (likely firewall problem)