russjudge.com has an AAAA (IPv6) record (2606:4700:3030::ac43:859a) but a test request to this address over port 80 did not succeed. Your web server must have at least one working IPv4 or IPv6 address. You should either ensure that validation requests to this domain succeed over IPv6, or remove its AAAA record.
A timeout was experienced while communicating with russjudge.com/2606:4700:3030::ac43:859a: Get "http://russjudge.com/.well-known/acme-challenge/letsdebug-test": context deadline exceeded
Trace:
@0ms: Making a request to http://russjudge.com/.well-known/acme-challenge/letsdebug-test (using initial IP 2606:4700:3030::ac43:859a)
@0ms: Dialing 2606:4700:3030::ac43:859a
@10001ms: Experienced error: context deadline exceeded
The domain russjudge.com is being served through Cloudflare CDN. Any Let's Encrypt certificate installed on the origin server will only encrypt traffic between the server and Cloudflare. It is strongly recommended that the SSL option 'Full SSL (strict)' be enabled.
https://support.cloudflare.com/hc/en-us/articles/200170416-What-do-the-SSL-options-mean-
Requests made to the domain
Request to: russjudge.com/2606:4700:3036::6815:59e, Result: [Address=2606:4700:3036::6815:59e,Address Type=IPv6,Server=cloudflare,HTTP Status=404], Issue:
Trace:
@0ms: Making a request to http://russjudge.com/.well-known/acme-challenge/letsdebug-test (using initial IP 2606:4700:3036::6815:59e)
@0ms: Dialing 2606:4700:3036::6815:59e
@56ms: Server response: HTTP 404 Not Found
Request to: russjudge.com/2606:4700:3030::ac43:859a, Result: [Address=2606:4700:3030::ac43:859a,Address Type=IPv6,Server=,HTTP Status=0], Issue: AAAANotWorking
Trace:
@0ms: Making a request to http://russjudge.com/.well-known/acme-challenge/letsdebug-test (using initial IP 2606:4700:3030::ac43:859a)
@0ms: Dialing 2606:4700:3030::ac43:859a
@10001ms: Experienced error: context deadline exceeded
Request to: russjudge.com/172.67.133.154, Result: [Address=172.67.133.154,Address Type=IPv4,Server=cloudflare,HTTP Status=404], Issue:
Trace:
@0ms: Making a request to http://russjudge.com/.well-known/acme-challenge/letsdebug-test (using initial IP 172.67.133.154)
@0ms: Dialing 172.67.133.154
@60ms: Server response: HTTP 404 Not Found
Request to: russjudge.com/104.21.5.158, Result: [Address=104.21.5.158,Address Type=IPv4,Server=cloudflare,HTTP Status=404], Issue:
Trace:
@0ms: Making a request to http://russjudge.com/.well-known/acme-challenge/letsdebug-test (using initial IP 104.21.5.158)
@0ms: Dialing 104.21.5.158
@59ms: Server response: HTTP 404 Not Found
A and AAAA records found for this domain
russjudge.com. 0 IN A 172.67.133.154
russjudge.com. 0 IN A 104.21.5.158
russjudge.com. 0 IN AAAA 2606:4700:3036::6815:59e
russjudge.com. 0 IN AAAA 2606:4700:3030::ac43:859a
Challenge update failures for russjudge.com in order https://acme-staging-v02.api.letsencrypt.org/acme/order/5751349/6407878873
acme: error code 403 "urn:ietf:params:acme:error:unauthorized": 2606:4700:3036::6815:59e: Invalid response from http://russjudge.com/.well-known/acme-challenge/o4aLT_fKsPRBGwBTOEz6g0l4cFedGsvXZ5y_zzEwQFc: 404
The IANA public suffix is the TLD of the Registered Domain
The TLD for russjudge.com is: com
1 Certificates contributing to rate limits for this domain
Serial: 429563813656591793318254272273961061036398
NotBefore: 2023-01-07 17:53:43 +0000 UTC
Names: [*.russjudge.com russjudge.com]
The current status.io status for Let's Encrypt
Operational