Let's Debug

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

A fatal issue occurred during the DNS lookup process for canariaseducacion.org/CAA.
DNS response for canariaseducacion.org/CAA did not have an acceptable response code: SERVFAIL
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/

Submitted Apr 18 14:44:58 2021. Sat in queue for 1ms. Completed in 1s. Show verbose information.