A test authorization for mcwin-cloud.asuscomm.com to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
Fetching https://mcwin-cloud.asuscomm.com/.well-known/acme-challenge/zKL5KjYwmcJPwWbR215aCs19TQdpsCKGvn1uGQvN_Lo: Error getting validation data
mcwin-cloud.asuscomm.com is currently affected by Let's Encrypt-based rate limits (https://letsencrypt.org/docs/rate-limits/). You may review certificates that have already been issued by visiting https://crt.sh/?q=%asuscomm.com . Please note that it is not possible to ask for a rate limit to be manually cleared.
The 'Certificates per Registered Domain' limit (50 certificates per week that share the same Registered Domain: asuscomm.com) has been exceeded. There is no way to work around this rate limit. The next non-renewal certificate for this Registered Domain should be issuable after 2022-01-26 03:44:11 +0000 UTC (0s from now).
mcwin-cloud.asuscomm.com's webserver may be misconfigured.
Web server is serving the wrong protocol on the wrong port: Get "https://mcwin-cloud.asuscomm.com/.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://mcwin-cloud.asuscomm.com/.well-known/acme-challenge/letsdebug-test (using initial IP 73.75.123.119)
@0ms: Dialing 73.75.123.119
@71ms: Server response: HTTP 301 Moved Permanently
@71ms: Received redirect to https://mcwin-cloud.asuscomm.com/.well-known/acme-challenge/letsdebug-test
@71ms: Dialing 73.75.123.119
@141ms: Experienced error: tls: first record does not look like a TLS handshake