Letsencrypt is going to revoke 3,048,289 certificates tomorrow that "may" have been wrongfully issued due to a wrong CAA DNS check.

To check if you're affected, and need to re-issue certs (before tomorrow!), check here:

Après vérifications, le domaine et les sous-domaines de #FédiQuébec sont "OK" à ce sujet.
"It is not one of the certificates affected by the Let's Encrypt CAA rechecking problem."

@dansup as easy way to check for invalid domains with letsencrypt: $ curl -d ''

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