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Re: [DNSOP] [Add] [Ext] new draft: draft-grover-add-policy-detection-00

Rob Sayre <sayrer@gmail.com> Wed, 17 July 2019 23:57 UTC

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From: Rob Sayre <sayrer@gmail.com>
Date: Wed, 17 Jul 2019 16:57:00 -0700
Message-ID: <CAChr6SwAYRy6qRJVecCjoTzgqKf6OynYTbDqxvT6KqhDmqg7fQ@mail.gmail.com>
To: Paul Hoffman <paul.hoffman@icann.org>
Cc: Tommy Jensen <Jensen.Thomas=40microsoft.com@dmarc.ietf.org>, "add@ietf.org" <add@ietf.org>, dnsop WG <dnsop@ietf.org>
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Subject: Re: [DNSOP] [Add] [Ext] new draft: draft-grover-add-policy-detection-00
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On Wed, Jul 17, 2019 at 4:44 PM Paul Hoffman <paul.hoffman@icann.org> wrote:

> On Jul 17, 2019, at 4:33 PM, Tommy Jensen <Jensen.Thomas=
> 40microsoft.com@dmarc.ietf.org> wrote:
> >
> > I appreciate the intent behind this draft to allow DNS-capable apps to
> detect if configured DNS resolvers need to be deferred to. However, I agree
> with Ralf that NXDOMAIN is the wrong way to signal that.
> >
> > What about defining a new TXT record format to signal the presence of
> policies? This has the benefits of 1) not overloading the interpretation of
> whether the domain exists or not as well as 2) giving room for future
> flexibility beyond the binary "resolver (does|does not) have DNS policies
> in place you shouldn't bypass" signal.
>
> Please see <
> https://datatracker.ietf.org/doc/draft-sah-resolver-information/> for a
> proposal that is being discussed in the DNSOP WG. It proposes a message
> format (JSON) and two transports (DNS and HTTPS) that can be used by a
> resolver for lots of things, including the policy ideas in the draft that
> this thread is about.


Is there a good definition of the term "policy ideas"?

thanks,
Rob

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