Re: [dbound] [dmarc-ietf] Fwd: New Version Notification for draft-dcrocker-dns-perimeter-00.txt

Dave Crocker <> Thu, 04 April 2019 01:25 UTC

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From: Dave Crocker <>
To: "John R. Levine" <>
Cc: tjw ietf <>,
References: <20190403175820.8391420115F376@ary.qy> <> <alpine.OSX.2.21.1904031430270.21189@ary.qy> <> <alpine.OSX.2.21.1904031459480.21189@ary.qy> <> <> <alpine.OSX.2.21.1904032056230.22661@ary.qy>
Organization: Brandenburg InternetWorking
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Date: Wed, 3 Apr 2019 18:25:04 -0700
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Subject: Re: [dbound] [dmarc-ietf] Fwd: New Version Notification for draft-dcrocker-dns-perimeter-00.txt
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On 4/3/2019 6:00 PM, John R. Levine wrote:
> Well, OK, here's a question for you: when's the last time an RFC added a 
> feature to the DNS that puts records in the additional section triggered 
> by a specific label in the query?  I'm reasonably sure the answer is 
> "never" but you might ask dnsop to be sure.

my proposal does not 'add a feature to the DNS'.  It uses existing DNS 
mechanisms and does not change the DNS protocol or its formats.

Your original phrasing was better, because it was in terms of requiring 
a 'modification' to the server, which of course, my proposal does do, as 
an optimization.


Dave Crocker
Brandenburg InternetWorking