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Let's Encrypt Announces New-Certificate-Every-6-Days Offering
(letsencrypt.org)
This is a most excellent place for technology news and articles.
No. Perfect Forward Secrecy (ephemeral keys) prevents this type of replay.
Time for a dive, thanks.
Although this only was added in TLS1.2 I think. I had to switch it on manually for my server.
I think it's default for TLS1.3.