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

John Levine <johnl@taugh.com> Mon, 27 June 2022 20:32 UTC

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From: "John Levine" <johnl@taugh.com>
To: dnsop@ietf.org
Cc: msj@nthpermutation.com
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Archived-At: <https://mailarchive.ietf.org/arch/msg/dnsop/Svuh9YxRoHfagY0UXp_VUncV884>
Subject: Re: [DNSOP] punctuation follies, I-D Action: draft-ietf-dnsop-alt-tld-15.txt
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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