A test authorization for www.reliabletech.ru to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
Fetching https://www.reliabletech.ru/.well-known/acme-challenge/oeT9S_ZVbfH5DB4mpAx0FWgba3-f3jRgWpv63c8rVYc: Error getting validation data
www.reliabletech.ru's webserver may be misconfigured.
Web server is serving the wrong protocol on the wrong port: Get "https://www.reliabletech.ru/.well-known/acme-challenge/letsdebug-test": http: server gave HTTP response to HTTPS client. This may be due to a previous HTTP redirect rather than a webserver misconfiguration.
Trace:
@0ms: Making a request to http://www.reliabletech.ru/.well-known/acme-challenge/letsdebug-test (using initial IP 176.226.164.212)
@0ms: Dialing 176.226.164.212
@297ms: Server response: HTTP 301 Moved Permanently
@298ms: Received redirect to https://www.reliabletech.ru/.well-known/acme-challenge/letsdebug-test
@298ms: Dialing 176.226.164.212
@610ms: Experienced error: tls: first record does not look like a TLS handshake