Let's Debug

Test result for sevcom.zapto.org using http-01

sevcom.zapto.org has an AAAA (IPv6) record (2a00:1f:b600:901:a00:27ff:fe84:1eac) but a test request to this address over port 80 did not succeed. Your web server must have at least one working IPv4 or IPv6 address. You should either ensure that validation requests to this domain succeed over IPv6, or remove its AAAA record.
A timeout was experienced while communicating with sevcom.zapto.org/2a00:1f:b600:901:a00:27ff:fe84:1eac: Get "http://sevcom.zapto.org/.well-known/acme-challenge/letsdebug-test": context deadline exceeded

Trace:
@0ms: Making a request to http://sevcom.zapto.org/.well-known/acme-challenge/letsdebug-test (using initial IP 2a00:1f:b600:901:a00:27ff:fe84:1eac)
@0ms: Dialing 2a00:1f:b600:901:a00:27ff:fe84:1eac
@10001ms: Experienced error: context deadline exceeded
Error
sevcom.zapto.org has an A (IPv4) record (92.72.34.68) 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.
Get "http://sevcom.zapto.org/.well-known/acme-challenge/letsdebug-test": dial tcp 92.72.34.68:80: connect: connection refused

Trace:
@0ms: Making a request to http://sevcom.zapto.org/.well-known/acme-challenge/letsdebug-test (using initial IP 92.72.34.68)
@0ms: Dialing 92.72.34.68
@5171ms: Experienced error: dial tcp 92.72.34.68:80: connect: connection refused
A test authorization for sevcom.zapto.org to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
92.72.34.68: Fetching http://sevcom.zapto.org/.well-known/acme-challenge/duwBYB1l0JI6fSKzr7k2EbSwlm7cNfrr5Kge1s3GX4E: Connection refused

Submitted Dec 29 00:38:30 2023. Sat in queue for 7ms. Completed in 18s. Show verbose information.