cloud.ericdelcamp.fr has an A (IPv4) record (91.174.235.61) 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 cloud.ericdelcamp.fr/91.174.235.61: Get "http://cloud.ericdelcamp.fr/.well-known/acme-challenge/letsdebug-test": context deadline exceeded
Trace:
@0ms: Making a request to http://cloud.ericdelcamp.fr/.well-known/acme-challenge/letsdebug-test (using initial IP 91.174.235.61)
@0ms: Dialing 91.174.235.61
@10000ms: Experienced error: context deadline exceeded
A test authorization for cloud.ericdelcamp.fr to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
Fetching http://cloud.ericdelcamp.fr/.well-known/acme-challenge/HZOUZ6nDW90bJntYi1QBkBB__z1gwzH6gTsyH7Lk1xM: Timeout during connect (likely firewall problem)