[DNSOP] Re: [Ext] Persistence of DCV, including for Delegated DCV (for draft-ietf-dnsop-domain-verification-techniques)

John R Levine <johnl@taugh.com> Thu, 29 May 2025 18:47 UTC

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Date: Thu, 29 May 2025 14:46:47 -0400
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From: John R Levine <johnl@taugh.com>
To: Paul Hoffman <paul.hoffman@icann.org>
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Subject: [DNSOP] Re: [Ext] Persistence of DCV, including for Delegated DCV (for draft-ietf-dnsop-domain-verification-techniques)
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On Thu, 29 May 2025, Paul Hoffman wrote:
>> When I look at the TXT records on any large organization's DNS apex, I find it hard to believe
>> that all of those records are just one time DCV that they forgot to remove.
>
> Correct: there's a good chance they left them there because they don't know if they're safe to remove, so why not just leave them it. Whoever told them to add the record didn't say when they should remove it.

Some of them are but I'm fairly sure that some of them have to stay there 
as long as you subscribe to the corresponding service.  Either way we're 
guessing, so I wouldn't want to make any strong assertions either wy.

Regards,
John Levine, johnl@taugh.com, Taughannock Networks, Trumansburg NY
Please consider the environment before reading this e-mail. https://jl.ly