An internal error occurred while checking the domain
An unknown issue occurred when performing a test authorization against the Let's Encrypt staging service: acme: challenge update timeout
The current status as reported by the Let's Encrypt status page is Service Disruption as at 2021-04-18 06:44:15.912 +0000 UTC. Depending on the reported problem, this may affect certificate issuance. For more information, please visit the status page.
https://letsencrypt.status.io/