TLSA TTL value

John Allen john at
Tue Mar 28 19:18:57 CEST 2017

I asked this question a while back, and apparently I did not make a note
of the answer, sorry.

What would be a "good" TTL for TLSA records. Because of there use in
validating encryption certs, etc I assume that the shorter the better. I
currently use 15min, is this too long or too short?

John A

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