Let's Debug

Test result for mail.cg.ru using http-01

HTTPCheck
Debug
Requests made to the domain
Request to: mail.cg.ru/217.198.1.91, Result: [Address=217.198.1.91,Address Type=IPv4,Server=Microsoft-IIS/8.5,HTTP Status=404], Issue:
Trace:
@0ms: Making a request to http://mail.cg.ru/.well-known/acme-challenge/letsdebug-test (using initial IP 217.198.1.91)
@0ms: Dialing 217.198.1.91
@262ms: Server response: HTTP 404 Not Found

HTTPRecords
Debug
A and AAAA records found for this domain
mail.cg.ru. 0 IN A 217.198.1.91
LetsEncryptStaging
Debug
Challenge update failures for mail.cg.ru in order https://acme-staging-v02.api.letsencrypt.org/acme/order/5751349/3674864134
acme: error code 403 "urn:ietf:params:acme:error:unauthorized": 217.198.1.91: Invalid response from http://mail.cg.ru/.well-known/acme-challenge/OwE9GY7JfQhJZTyLU_JjEthTtxtKAc8M3K2PgFCHK-A: 404
PublicSuffix
Debug
The IANA public suffix is the TLD of the Registered Domain
The TLD for mail.cg.ru is: ru
StatusIO
Debug
The current status.io status for Let's Encrypt
Operational

Submitted Aug 16 15:08:42 2022. Sat in queue for 7ms. Completed in 5s. Hide verbose information.