Let's Debug

Test result for test.althoff-fam.de using http-01

Debug
Requests made to the domain
Request to: test.althoff-fam.de/77.9.3.165, Result: [Address=77.9.3.165,Address Type=IPv4,Server=Apache,HTTP Status=301,Number of Redirects=1,Final HTTP Status=404], Issue:
Trace:
@0ms: Making a request to http://test.althoff-fam.de/.well-known/acme-challenge/letsdebug-test (using initial IP 77.9.3.165)
@0ms: Dialing 77.9.3.165
@217ms: Server response: HTTP 301 Moved Permanently
@217ms: Received redirect to https://test.althoff-fam.de:443/.well-known/acme-challenge/letsdebug-test
@217ms: Dialing 77.9.3.165
@666ms: Server response: HTTP 404 Not Found

Debug
A and AAAA records found for this domain
test.althoff-fam.de. 0 IN A 77.9.3.165
Challenge update failures for test.althoff-fam.de in order https://acme-staging-v02.api.letsencrypt.org/acme/order/5751349/309887808
acme: error code 403 "urn:ietf:params:acme:error:unauthorized": Invalid response from https://test.althoff-fam.de:443/.well-known/acme-challenge/YzO7JmPWHP3Y35z3UlgOTfoLiBpKrS1bf3vvalxtC44 [77.9.3.165]: "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd\">\r\n<html xmlns=\"http"
Debug
The IANA public suffix is the TLD of the Registered Domain
The TLD for test.althoff-fam.de is: de
Debug
1 Certificates contributing to rate limits for this domain

Serial: 333982692787632755507224042611955492243078
NotBefore: 2021-08-13 01:09:31 +0000 UTC
Names: [bstrap.althoff-fam.de cr.althoff-fam.de v10.althoff-fam.de]

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

Submitted Aug 16 09:34:12 2021. Sat in queue for 3ms. Completed in 6s. Hide verbose information.