Let's Debug

Test result for clases.canariaseducacion.org using http-01

A test authorization for clases.canariaseducacion.org to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
DNS problem: query timed out looking up A for clases.canariaseducacion.org
The current status as reported by the Let's Encrypt status page is Service Disruption as at 2021-04-18 06:44:26.008 +0000 UTC. Depending on the reported problem, this may affect certificate issuance. For more information, please visit the status page.
https://letsencrypt.status.io/
Debug
Requests made to the domain
Request to: clases.canariaseducacion.org/193.146.93.34, Result: [Address=193.146.93.34,Address Type=IPv4,Server=nginx/1.10.3 (Ubuntu),HTTP Status=404], Issue:
Trace:
@0ms: Making a request to http://clases.canariaseducacion.org/.well-known/acme-challenge/letsdebug-test (using initial IP 193.146.93.34)
@0ms: Dialing 193.146.93.34
@252ms: Server response: HTTP 404 Not Found

Debug
A and AAAA records found for this domain
clases.canariaseducacion.org. 0 IN A 193.146.93.34
Challenge update failures for clases.canariaseducacion.org in order https://acme-staging-v02.api.letsencrypt.org/acme/order/5751349/34323694
acme: error code 400 "urn:ietf:params:acme:error:dns": DNS problem: query timed out looking up A for clases.canariaseducacion.org
Debug
The IANA public suffix is the TLD of the Registered Domain
The TLD for clases.canariaseducacion.org is: org
Debug
The current status.io status for Let's Encrypt
Service Disruption

Submitted Apr 18 14:45:13 2021. Sat in queue for 2ms. Completed in 31s. Hide verbose information.