Re: [DNSOP] punctuation follies, I-D Action: draft-ietf-dnsop-alt-tld-15.txt

Michael StJohns <msj@nthpermutation.com> Mon, 27 June 2022 20:34 UTC

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Message-ID: <32aedbfc-0121-e3f2-46bb-b52965281fd1@nthpermutation.com>
Date: Mon, 27 Jun 2022 16:34:08 -0400
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To: John Levine <johnl@taugh.com>, dnsop@ietf.org
References: <20220627203153.34B4F44922C1@ary.qy>
From: Michael StJohns <msj@nthpermutation.com>
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Archived-At: <https://mailarchive.ietf.org/arch/msg/dnsop/Jd7OgkENU2CSuzMkPe0jgwWPd5o>
Subject: Re: [DNSOP] punctuation follies, I-D Action: draft-ietf-dnsop-alt-tld-15.txt
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On 6/27/2022 4:31 PM, John Levine wrote:
> It appears that Michael StJohns  <msj@nthpermutation.com> said:
>> I suggest that reserving "_*" names is redundant as (I *think* - I
>> didn't go looking for the reference?) strings beginning with an
>> underscore can only be used in left-most components of a DNS name.
> Dunno where you heard that, but it's completely not true.
>
> Every SRV and TLSA record has a name that starts with two underscored
> labels. Every DKIM key record has _domainkey in the middle.
>
> R's,
> John

It was true once! :-)   That's why I said "I think" - too many twiddles 
to the DNS to keep tract of.

Mike