Let's Debug

Test result for apex-test.dnv.com using http-01

Debug
Requests made to the domain
Request to: apex-test.dnv.com/51.124.73.17, Result: [Address=51.124.73.17,Address Type=IPv4,Server=,HTTP Status=200], Issue:
Trace:
@0ms: Making a request to http://apex-test.dnv.com/.well-known/acme-challenge/letsdebug-test (using initial IP 51.124.73.17)
@0ms: Dialing 51.124.73.17
@155ms: Server response: HTTP 200 OK

Debug
A and AAAA records found for this domain
apex-test.dnv.com. 0 IN A 51.124.73.17
Challenge update failures for apex-test.dnv.com in order https://acme-staging-v02.api.letsencrypt.org/acme/order/5751349/1751043938
acme: error code 403 "urn:ietf:params:acme:error:unauthorized": Invalid response from http://apex-test.dnv.com/.well-known/acme-challenge/EdIYI1JhefaSIwSWG1mKUQvI5bnYlvezkjFSqxQRyZw [51.124.73.17]: "<html><head><title>Request Rejected</title></head><body>The requested URL was rejected. Please consult with your administrator.<"
Debug
The IANA public suffix is the TLD of the Registered Domain
The TLD for apex-test.dnv.com is: com
Debug
2 Certificates contributing to rate limits for this domain

Serial: 403807378593641359450357149190699595512166
NotBefore: 2022-02-04 07:38:11 +0000 UTC
Names: [vista.dnv.com]

Serial: 408266515412605714655332285361367890083037
NotBefore: 2022-02-04 07:36:21 +0000 UTC
Names: [vista-api.dnv.com]

Debug
The current status.io status for Let's Encrypt
Operational

Submitted Feb 9 23:11:56 2022. Sat in queue for 11ms. Completed in 5s. Hide verbose information.