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this post was submitted on 28 Sep 2023
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that's genius. i have never even considered that you could use a (sub)domain with a local ip like that to get a certificate from a trusted ca. i ma not sure i understand the neccessity for api access to your dns service. is the txt record for LE different every time you have to pass a challenge? otherwise i imagine you could just set and forget the record.
thank you for the explanation, well appreciated!
Yes it's awesome. I never even considered that it's possible to add not publicly routable IP's to public DNS server, until I recently read a post about dns-01 challenge.
I believe the txt record is different every time.