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Re: [DNSOP] Draft for dynamic discovery of secure resolvers

Paul Vixie <paul@redbarn.org> Sun, 19 August 2018 00:33 UTC

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Date: Sat, 18 Aug 2018 17:33:05 -0700
From: Paul Vixie <paul@redbarn.org>
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To: Marek Vavruša <mvavrusa@cloudflare.com>
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Subject: Re: [DNSOP] Draft for dynamic discovery of secure resolvers
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Marek Vavruša wrote:
> Hi,
>
> thanks for comments. This draft has little to do with DoH (the primary
> focus is DoT), and its comparison to other technologies. It's about
> network operator being able to advertise that its recursive server
> supports DNS on more than just port 53. Please let's stay at least a
> bit on topic.
>
> Marek

i think stubs should try to negotiate persistent tcp/853 for every 
address they receive from dhcp, and if they can't, they should fall back 
to doing whatever they did before, like try udp/53, and so on.

-- 
P Vixie

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