aventastroy.ru has multiple IP addresses in its DNS records. While they appear to be accessible on the network, we have detected that they produce differing results when sent an ACME HTTP validation request. This may indicate that some of the IP addresses may unintentionally point to different servers, which would cause validation to fail.
[Address=2a03:6f00:1::5c35:7d24,Address Type=IPv6,Server=nginx/1.14.1,HTTP Status=404] vs [Address=81.163.25.101,Address Type=IPv4,Server=nginx/1.21.1,HTTP Status=301,Number of Redirects=1,Final HTTP Status=404]
Requests made to the domain
Request to: aventastroy.ru/2a03:6f00:1::5c35:7d24, Result: [Address=2a03:6f00:1::5c35:7d24,Address Type=IPv6,Server=nginx/1.14.1,HTTP Status=404], Issue:
Trace:
@0ms: Making a request to http://aventastroy.ru/.well-known/acme-challenge/letsdebug-test (using initial IP 2a03:6f00:1::5c35:7d24)
@0ms: Dialing 2a03:6f00:1::5c35:7d24
@222ms: Server response: HTTP 404 Not Found
Request to: aventastroy.ru/81.163.25.101, Result: [Address=81.163.25.101,Address Type=IPv4,Server=nginx/1.21.1,HTTP Status=301,Number of Redirects=1,Final HTTP Status=404], Issue:
Trace:
@0ms: Making a request to http://aventastroy.ru/.well-known/acme-challenge/letsdebug-test (using initial IP 81.163.25.101)
@0ms: Dialing 81.163.25.101
@224ms: Server response: HTTP 301 Moved Permanently
@224ms: Received redirect to https://aventastroy.ru//.well-known/acme-challenge/letsdebug-test
@224ms: Dialing 81.163.25.101
@667ms: Server response: HTTP 404 Not Found
A and AAAA records found for this domain
aventastroy.ru. 0 IN A 81.163.25.101
aventastroy.ru. 0 IN AAAA 2a03:6f00:1::5c35:7d24
Challenge update failures for aventastroy.ru in order https://acme-staging-v02.api.letsencrypt.org/acme/order/5751349/96128049
acme: error code 403 "urn:ietf:params:acme:error:unauthorized": Invalid response from http://aventastroy.ru/.well-known/acme-challenge/9zZEN6KNNV-qhia8U3LzYc67zlhaPZksiZHdT2BqSKE [2a03:6f00:1::5c35:7d24]: "<!DOCTYPE html>\n\n\n<html lang=\"ru\">\n <head>\n <base href=\"http://aventastroy.ru/\"/>\n <meta name=\"viewport\" content=\"wi"
The IANA public suffix is the TLD of the Registered Domain
The TLD for aventastroy.ru is: ru
The current status.io status for Let's Encrypt
Operational