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by move-on-by 356 days ago
Oh this is a good point! Looking at my DNSSEC domain (hosted by CloudFlare) on https://dnssec-debugger.verisignlabs.com - the Inception Time and Expiration Time seems to be valid for... 3.5 days? This isn't something I look at much, but I assume that is up to the implementation. The new shortlived cert is valid for 6 days. So, from a very rough look, I expect X.509 certificate is going to be less time sensitive then DNSSEC - but only by a few days. Also, very likely to depend on implementation details. This is a great point.
1 comments

Practically, though, you rely on hardware time until you get network time.