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Accessing scientific-speculation.codidact.com over HTTPS is serving a certificate for collab.codidact.org, triggering browser security warnings
When I try to go to https://scientific-speculation.codidact.com/, I get a certificate warning.
Looking at the certificate details, it turns out that the server is actually providing a certificate for subject alt names
collab.codidact.org only, issued by Let's Encrypt and with a not-before time of Aug 9 2021 23:30 UTC. Since
scientific-speculation.codidact.com, this triggers the pretty dire warning. As far as I can tell, this began Aug 16 2021 at some time between 20:00 and 20:30 (UTC).
If I choose to ignore the problem and continue, I actually do end up on Scientific Speculation, so whatever the problem is seems to be restricted to the certificate itself.