www.apsago.com has an A (IPv4) record (113.172.5.194) 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.apsago.com/113.172.5.194: Get "http://www.apsago.com/.well-known/acme-challenge/letsdebug-test": context deadline exceeded
Trace:
@0ms: Making a request to http://www.apsago.com/.well-known/acme-challenge/letsdebug-test (using initial IP 113.172.5.194)
@0ms: Dialing 113.172.5.194
@10001ms: Experienced error: context deadline exceeded
A test authorization for www.apsago.com to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
113.172.5.194: Fetching http://www.apsago.com/.well-known/acme-challenge/aGjLkCBiNS2068SXZgYn1CKfqLjH3_01Je11sJTHofs: Timeout during connect (likely firewall problem)