Let's Debug

Test result for air.cs.itu.edu.tr using http-01

Debug
Requests made to the domain
Request to: air.cs.itu.edu.tr/160.75.25.14, Result: [Address=160.75.25.14,Address Type=IPv4,Server=Apache,HTTP Status=301,Number of Redirects=1,Final HTTP Status=404], Issue:
Trace:
@0ms: Making a request to http://air.cs.itu.edu.tr/.well-known/acme-challenge/letsdebug-test (using initial IP 160.75.25.14)
@0ms: Dialing 160.75.25.14
@249ms: Server response: HTTP 301 Moved Permanently
@249ms: Received redirect to https://air.cs.itu.edu.tr/.well-known/acme-challenge/letsdebug-test
@250ms: Dialing 160.75.25.14
@795ms: Server response: HTTP 404 Not Found

Debug
A and AAAA records found for this domain
air.cs.itu.edu.tr. 0 IN A 160.75.25.14
Challenge update failures for air.cs.itu.edu.tr in order https://acme-staging-v02.api.letsencrypt.org/acme/order/5751349/11217621594
acme: error code 403 "urn:ietf:params:acme:error:unauthorized": 160.75.25.14: Invalid response from https://air.cs.itu.edu.tr/.well-known/acme-challenge/kr59JqWdok_3tXvTFoBfwRzwVNt-UgxZxFJ6I36g__8: 404
Debug
The IANA public suffix is the TLD of the Registered Domain
The TLD for air.cs.itu.edu.tr is: edu.tr
Debug
The current status.io status for Let's Encrypt
Operational

Submitted Sep 27 21:46:59 2023. Sat in queue for 5ms. Completed in 16s. Hide verbose information.