Let's Debug

Test result for app.upg-ploiesti.ro using http-01

A test authorization for app.upg-ploiesti.ro to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
DNS problem: query timed out looking up A for app.upg-ploiesti.ro; DNS problem: query timed out looking up AAAA for app.upg-ploiesti.ro
Debug
CAA records control authorization for certificate authorities to issue certificates for a domain
upg-ploiesti.ro. 0 IN CAA 0 issue "sectigo.com"
upg-ploiesti.ro. 0 IN CAA 0 issue "letsencrypt.org"
Debug
Requests made to the domain
Request to: app.upg-ploiesti.ro/78.96.59.13, Result: [Address=78.96.59.13,Address Type=IPv4,Server=Apache/2.4.6 (CentOS) OpenSSL/1.0.2k-fips,HTTP Status=301,Number of Redirects=2,Final HTTP Status=404], Issue:
Trace:
@0ms: Making a request to http://app.upg-ploiesti.ro/.well-known/acme-challenge/letsdebug-test (using initial IP 78.96.59.13)
@0ms: Dialing 78.96.59.13
@222ms: Server response: HTTP 301 Moved Permanently
@222ms: Received redirect to https://app.upg-ploiesti.ro/.well-known/acme-challenge/letsdebug-test
@222ms: Dialing 78.96.59.13
@731ms: Server response: HTTP 301 Moved Permanently
@731ms: Received redirect to https://app.upg-ploiesti.ro/ro/.well-known/acme-challenge/letsdebug-test
@731ms: Dialing 78.96.59.13
@1241ms: Server response: HTTP 404 Not Found

Debug
A and AAAA records found for this domain
app.upg-ploiesti.ro. 0 IN A 78.96.59.13
Challenge update failures for app.upg-ploiesti.ro in order https://acme-staging-v02.api.letsencrypt.org/acme/order/5751349/4142250194
acme: error code 400 "urn:ietf:params:acme:error:dns": DNS problem: query timed out looking up A for app.upg-ploiesti.ro; DNS problem: query timed out looking up AAAA for app.upg-ploiesti.ro
Debug
The IANA public suffix is the TLD of the Registered Domain
The TLD for app.upg-ploiesti.ro is: ro
Debug
The current status.io status for Let's Encrypt
Operational

Submitted Sep 19 12:17:06 2022. Sat in queue for 8ms. Completed in 35s. Hide verbose information.