Let's Debug

Test result for calmexpress.com using http-01

A test authorization for calmexpress.com to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
51.210.109.224: Fetching https://calmexpress.com/.well-known/acme-challenge/kZwhhc0a2hcPgURdCFdEA2TPZbLpfRvY3mXvg0AdXYA: Timeout during connect (likely firewall problem)
Debug
Requests made to the domain
Request to: calmexpress.com/2001:41d0:304:200::6461, Result: [Address=2001:41d0:304:200::6461,Address Type=IPv6,Server=nginx/1.22.1,HTTP Status=301,Number of Redirects=1,Final HTTP Status=404], Issue:
Trace:
@0ms: Making a request to http://calmexpress.com/.well-known/acme-challenge/letsdebug-test (using initial IP 2001:41d0:304:200::6461)
@0ms: Dialing 2001:41d0:304:200::6461
@153ms: Server response: HTTP 301 Moved Permanently
@153ms: Received redirect to https://calmexpress.com/.well-known/acme-challenge/letsdebug-test
@153ms: Dialing 2001:41d0:304:200::6461
@387ms: Server response: HTTP 404 Not Found

Request to: calmexpress.com/51.210.109.224, Result: [Address=51.210.109.224,Address Type=IPv4,Server=nginx/1.22.1,HTTP Status=301,Number of Redirects=1,Final HTTP Status=404], Issue:
Trace:
@0ms: Making a request to http://calmexpress.com/.well-known/acme-challenge/letsdebug-test (using initial IP 51.210.109.224)
@0ms: Dialing 51.210.109.224
@141ms: Server response: HTTP 301 Moved Permanently
@141ms: Received redirect to https://calmexpress.com/.well-known/acme-challenge/letsdebug-test
@141ms: Dialing 51.210.109.224
@376ms: Server response: HTTP 404 Not Found

Debug
A and AAAA records found for this domain
calmexpress.com. 0 IN A 51.210.109.224
calmexpress.com. 0 IN AAAA 2001:41d0:304:200::6461
Challenge update failures for calmexpress.com in order https://acme-staging-v02.api.letsencrypt.org/acme/order/5751349/11368499544
acme: error code 400 "urn:ietf:params:acme:error:connection": 51.210.109.224: Fetching https://calmexpress.com/.well-known/acme-challenge/kZwhhc0a2hcPgURdCFdEA2TPZbLpfRvY3mXvg0AdXYA: Timeout during connect (likely firewall problem)
Debug
The IANA public suffix is the TLD of the Registered Domain
The TLD for calmexpress.com is: com
Debug
The current status.io status for Let's Encrypt
Operational

Submitted Oct 4 15:47:21 2023. Sat in queue for 3ms. Completed in 24s. Hide verbose information.