Obviously not possible to check right now to provide proof, but I feel quite con... | Hacker News

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		jaywalk on Oct 4, 2021 \| parent \| context \| favorite \| on: Facebook-owned sites were down Obviously not possible to check right now to provide proof, but I feel quite confident in saying that Facebook does not use Let's Encrypt. It's also clearly not an SSL issue.

gprasanth on Oct 4, 2021 | [–]

You're right. Fb doesn't seem to be using letsencrypt.

https://crt.sh/?q=facebook.com

On a side note, the amount of phishing sites using letsencrypt and having a domain similar to facebook.com is quite appalling.

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