Let's Debug

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

HTTPCheck
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
@256ms: Server response: HTTP 301 Moved Permanently
@256ms: Received redirect to https://air.cs.itu.edu.tr/.well-known/acme-challenge/letsdebug-test
@256ms: Dialing 160.75.25.14
@806ms: Server response: HTTP 404 Not Found

HTTPRecords
Debug
A and AAAA records found for this domain
air.cs.itu.edu.tr. 0 IN A 160.75.25.14
LetsEncryptStaging
Debug
Challenge update failures for air.cs.itu.edu.tr in order https://acme-staging-v02.api.letsencrypt.org/acme/order/5751349/10088723864
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/g6di8q9BO2SVbAabQXw7n3QSoKR7w4zePJDgaD2PpxE: 404
PublicSuffix
Debug
The IANA public suffix is the TLD of the Registered Domain
The TLD for air.cs.itu.edu.tr is: edu.tr
StatusIO
Debug
The current status.io status for Let's Encrypt
Operational

Submitted Aug 3 01:01:21 2023. Sat in queue for 4ms. Completed in 18s. Hide verbose information.