Let's Debug

Test result for htpcomp.co.uk using http-01

Error
htpcomp.co.uk has an A (IPv4) record (77.243.191.20) 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://htpcomp.co.uk/.well-known/acme-challenge/letsdebug-test": EOF

Trace:
@0ms: Making a request to http://htpcomp.co.uk/.well-known/acme-challenge/letsdebug-test (using initial IP 77.243.191.20)
@0ms: Dialing 77.243.191.20
@161ms: Experienced error: EOF
A test authorization for htpcomp.co.uk to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
Fetching http://htpcomp.co.uk/.well-known/acme-challenge/u9P21nvnyUpMPsBzvxKmshhzw6HjAoEYV6AAKvykrDU: Error getting validation data
Debug
Requests made to the domain
Request to: htpcomp.co.uk/77.243.191.20, Result: [Address=77.243.191.20,Address Type=IPv4,Server=,HTTP Status=0], Issue: ANotWorking
Trace:
@0ms: Making a request to http://htpcomp.co.uk/.well-known/acme-challenge/letsdebug-test (using initial IP 77.243.191.20)
@0ms: Dialing 77.243.191.20
@161ms: Experienced error: EOF

Debug
A and AAAA records found for this domain
htpcomp.co.uk. 0 IN A 77.243.191.20
Challenge update failures for htpcomp.co.uk in order https://acme-staging-v02.api.letsencrypt.org/acme/order/5751349/181822517
acme: error code 400 "urn:ietf:params:acme:error:connection": Fetching http://htpcomp.co.uk/.well-known/acme-challenge/u9P21nvnyUpMPsBzvxKmshhzw6HjAoEYV6AAKvykrDU: Error getting validation data
Debug
The IANA public suffix is the TLD of the Registered Domain
The TLD for htpcomp.co.uk is: co.uk
Debug
The current status.io status for Let's Encrypt
Operational

Submitted Nov 10 10:02:45 2020. Sat in queue for 2ms. Completed in 2s. Hide verbose information.