Re: [DNSOP] Questions on draft-ietf-dnsop-private-use-tld-01.txt

Andrew McConachie <andrew@depht.com> Mon, 19 April 2021 14:18 UTC

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From: Andrew McConachie <andrew@depht.com>
To: Paul Hoffman <paul.hoffman@icann.org>
Cc: DNSOP Working Group <dnsop@ietf.org>
Date: Mon, 19 Apr 2021 16:17:52 +0200
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Subject: Re: [DNSOP] Questions on draft-ietf-dnsop-private-use-tld-01.txt
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On 16 Apr 2021, at 17:18, Paul Hoffman wrote:

> On Apr 16, 2021, at 5:31 AM, Andrew McConachie <andrew@depht.com> 
> wrote:
>
>> If I understand section 4.3 correctly, DNSSEC validating stub 
>> resolvers SHOULD NOT resolve these names. Is that the intention of 
>> Section 4.3?
>
> No, definitely not. The text says:
>    3.  Name resolution APIs and libraries SHOULD NOT recognise these
>        names as special and SHOULD NOT treat them differently.  Name
>        resolution APIs SHOULD send queries for these names to their
>        configured caching DNS server(s).
> Not recognizing them as special means to treat them like any other 
> name. There is no mention of DNSSEC.
>

I realize now my question was unclear. My understanding is that a DNSSEC 
validating stub SHOULD attempt to validate these names, which will fail. 
Therefore a DNSSEC validating stub cannot use these names.

Thanks,
Andrew