Let's Debug

Test result for unifi.penntech-it.com using http-01

unifi.penntech-it.com has an A (IPv4) record ( 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 unifi.penntech-it.com/ Get "http://unifi.penntech-it.com/.well-known/acme-challenge/letsdebug-test": dial tcp i/o timeout

@0ms: Making a request to http://unifi.penntech-it.com/.well-known/acme-challenge/letsdebug-test (using initial IP
@0ms: Dialing
@10001ms: Experienced error: dial tcp i/o timeout
A test authorization for unifi.penntech-it.com to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued. Fetching http://unifi.penntech-it.com/.well-known/acme-challenge/xxJsKyCcKFdw2kxCoBCaZp_VWvyN_uhpE78LTsdAqEY: Timeout during connect (likely firewall problem)

Submitted Jan 4 17:28:17 2023. Sat in queue for 3ms. Completed in 28s. Show verbose information.