Let's Debug

Test result for kamchatka.spb.ru using http-01

Debug
Requests made to the domain
Request to: kamchatka.spb.ru/195.211.53.80, Result: [Address=195.211.53.80,Address Type=IPv4,Server=Apache/2.4.54 (FreeBSD) OpenSSL/1.1.1o-freebsd,HTTP Status=404], Issue:
Trace:
@0ms: Making a request to http://kamchatka.spb.ru/.well-known/acme-challenge/letsdebug-test (using initial IP 195.211.53.80)
@0ms: Dialing 195.211.53.80
@201ms: Server response: HTTP 404 Not Found

Debug
A and AAAA records found for this domain
kamchatka.spb.ru. 0 IN A 195.211.53.80
Challenge update failures for kamchatka.spb.ru in order https://acme-staging-v02.api.letsencrypt.org/acme/order/5751349/9450660624
acme: error code 403 "urn:ietf:params:acme:error:unauthorized": 195.211.53.80: Invalid response from http://kamchatka.spb.ru/.well-known/acme-challenge/vm7rOqwSippZM1K3k50CEn7GAuNGrUEfqi_oeUWU3xE: 404
Debug
The IANA public suffix is the TLD of the Registered Domain
The TLD for kamchatka.spb.ru is: ru
Debug
The current status.io status for Let's Encrypt
Operational

Submitted Jun 27 01:55:12 2023. Sat in queue for 3ms. Completed in 29s. Hide verbose information.