axn.myftp.org has an A (IPv4) record (84.175.227.9) 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 axn.myftp.org/84.175.227.9: Get "http://axn.myftp.org/.well-known/acme-challenge/letsdebug-test": dial tcp 84.175.227.9:80: i/o timeout
Trace:
@0ms: Making a request to http://axn.myftp.org/.well-known/acme-challenge/letsdebug-test (using initial IP 84.175.227.9)
@0ms: Dialing 84.175.227.9
@10001ms: Experienced error: dial tcp 84.175.227.9:80: i/o timeout
A test authorization for axn.myftp.org to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
84.175.227.9: Fetching http://axn.myftp.org/.well-known/acme-challenge/rHMX6Z6wWHAsP8UCx607XTpp57xSXCrA2Stx8H8CovM: Timeout during connect (likely firewall problem)