[DNSOP] Re: [Ext] Re: Call for Adoption: draft-davies-internal-tld

Paul Hoffman <paul.hoffman@icann.org> Thu, 01 May 2025 16:07 UTC

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From: Paul Hoffman <paul.hoffman@icann.org>
To: Ted Lemon <mellon@fugue.com>
Thread-Topic: [DNSOP] [Ext] Re: Call for Adoption: draft-davies-internal-tld
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Date: Thu, 01 May 2025 16:07:51 +0000
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References: <m1u5h1G-0000LcC@stereo.hq.phicoh.net> <83666fd3-a51f-46e1-a5ac-0b9a46361480@desec.io> <49E3B1B6-E960-4A46-9C5D-2721FD57132D@depht.com> <3b5fb9e7-8a2b-420f-a2fb-dd6f6a0b88ae@isc.org> <89047B78-A2B1-43F2-A996-94DF1E90538A@depht.com> <cc84f69c-c349-4d91-b942-80221b564a9b@isc.org> <ac48e27d-479f-42f3-b87f-891220ef2fe8@app.fastmail.com> <BE721880-6254-48F4-9F91-567A99E0511B@icann.org> <m1u7asT-0000MtC@stereo.hq.phicoh.net> <01E23110-9A50-4187-8A54-34D514504F9B@strandkip.nl> <3A48CBC3-B55B-4FCF-B713-A7CA4C7BB7CC@strandkip.nl> <8E36C1B8-C67B-4704-9E3B-7143863E2262@icann.org> <87f219df-34f0-48fa-89cf-8cb8300c86c2@app.fastmail.com> <1359A8E4-E436-4EC5-B5C7-E0713A3E8182@icann.org> <b5e95596-ffa7-491f-86c5-27a9c98b4336@app.fastmail.com>
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Subject: [DNSOP] Re: [Ext] Re: Call for Adoption: draft-davies-internal-tld
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On Apr 30, 2025, at 18:25, Ted Lemon <mellon@fugue.com> wrote:
> 
> The local resolver can safely lie about the delegation, so unless the stub resolver queries the root directly this isn’t an issue.

A validating stub resolver would indeed query the root to create the chain of trust. That's the whole point of *validating* stub resolvers.

> Even if it does, unless it uses DoH, the edge router can intercept the query.

The IETF does not promote "edge router can intercept the query". :-) Further, even in that scenario, then there is no reason for an insecure delegation: no delegation works fine.

> But this isn’t generally necessary. If you’re doing DNSSEC the only reason not to trust the local resolver is if it doesn’t give enough answers to construct the proofs. 

You may feel that way, but that's not the model adopted by the DNSSEC standards.

--Paul Hoffman