About renewal and challenge


Continuing the discussion from How renew works with dns-01 challenge?:

I read this post, which @tialaramex states:

the TXT records only matter during the process of accepting and then passing the challenge

And then:

Passing a new challenge will require new (different) TXT records to be provisioned.

My question is:

Must I perform a challenge eache time that I renew the certificates?

Thanks in advance

Renewal using DNS-01

Currently the authorization, with your account key, is valid for 90 days, and since you will typically renew after about 60 days then you won’t (currently) need to perform a challenge on your first renewal.

That validation period of 90 days may well become shorter in the future though.

Renewal using DNS-01

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