Let's Debug

Test result for pass.zaonpt.com using http-01

Error
pass.zaonpt.com has an A (IPv4) record (82.154.26.242) 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 pass.zaonpt.com/82.154.26.242: Get "http://pass.zaonpt.com/.well-known/acme-challenge/letsdebug-test": context deadline exceeded

Trace:
@0ms: Making a request to http://pass.zaonpt.com/.well-known/acme-challenge/letsdebug-test (using initial IP 82.154.26.242)
@0ms: Dialing 82.154.26.242
@10000ms: Experienced error: context deadline exceeded
A test authorization for pass.zaonpt.com to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
Fetching http://pass.zaonpt.com/.well-known/acme-challenge/DOcTJhgGAx5lmM8xfjhbcYL3-2cQC_yX1wlSGIZmnik: Timeout during connect (likely firewall problem)

Submitted Aug 15 09:56:30 2021. Sat in queue for 2ms. Completed in 15s. Show verbose information.