www.ellisaircraft.com has an A (IPv4) record (68.42.15.212) 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 www.ellisaircraft.com/68.42.15.212: Get "http://www.ellisaircraft.com/.well-known/acme-challenge/letsdebug-test": context deadline exceeded
Trace:
@0ms: Making a request to http://www.ellisaircraft.com/.well-known/acme-challenge/letsdebug-test (using initial IP 68.42.15.212)
@0ms: Dialing 68.42.15.212
@10000ms: Experienced error: context deadline exceeded
A test authorization for www.ellisaircraft.com to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
68.42.15.212: Fetching http://www.ellisaircraft.com/.well-known/acme-challenge/fx1RwXr45RWOabrJR24bgd_CD_Bz5P2lTR4SN4Xi6Sk: Timeout during connect (likely firewall problem)