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:
Why is this step necessary? mastodon.kleph.eu might not be the server where you are registered, so we need to redirect you to your home server first.
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