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

Michael StJohns <msj@nthpermutation.com> Mon, 27 June 2022 20:22 UTC

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Date: Mon, 27 Jun 2022 16:22:42 -0400
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From: Michael StJohns <msj@nthpermutation.com>
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Subject: Re: [DNSOP] punctuation follies, I-D Action: draft-ietf-dnsop-alt-tld-15.txt
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On 6/27/2022 4:05 PM, John Levine wrote:
> It appears that Peter Thomassen  <peter@desec.io> said:
>> I am proposing to reserve all top-level underscore labels (_*) for special use. Why?
> While I don't think that reserving underscore names will break anything that is
> not already broken, I also don't see what problem it solves.

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.

Later, Mike

>
> Everything you say about *.alt is true, and most people who squat on
> random top level hostnames will continue to do so. But there is a
> great deal of software that expects the names it uses to look like
> hostnames, and won't work with anything else. The argument for *.alt
> is that if ICANN sells another round of vanity TLDs, as seems
> depressingly likely, here's a hostname we promise won't have new name
> collisions.
>
> Since it is hard to imagine ever adding a name that isn't a hostname
> to the public root, all of the _names are in practice reserved anyway.
> But I don't recall ever seeing anyone squatting on a name that isn't
> a hostname.  This should give us a hint.
>
> R's,
> John
>
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