Re: [Driu] [DNSOP] Resolverless DNS Side Meeting in Montreal

Paul Vixie <paul@redbarn.org> Tue, 10 July 2018 08:42 UTC

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Date: Tue, 10 Jul 2018 10:41:56 +0200
From: Paul Vixie <paul@redbarn.org>
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Subject: Re: [Driu] [DNSOP] Resolverless DNS Side Meeting in Montreal
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Patrick McManus wrote:
> ...
>
> For example www.example.com <http://www.example.com> pushes you a AAAA
> record for img1.example.com <http://img1.example.com>;. Should you use
> it?

no. sibling names might be delegation points. kashpureff taught us this 
in 1996 or so, and kaminsky reinforced that lesson in 2008.

> What if it is for img1.img-example.com <http://img1.img-example.com>?

certainly not.

-- 
P Vixie