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Re: [DNSOP] [dns-operations] dnsop-any-notimp violates the DNS standards

Colm MacCárthaigh <colm@allcosts.net> Sat, 14 March 2015 04:42 UTC

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References: <20150312125913.20188.qmail@cr.yp.to> <3D558422-D5DA-4434-BDED-E752BA353358@flame.org> <20150312231000.F18A42B4B215@rock.dv.isc.org>
Date: Fri, 13 Mar 2015 21:42:33 -0700
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From: Colm MacCárthaigh <colm@allcosts.net>
To: Mark Andrews <marka@isc.org>
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Cc: "dnsop@ietf.org" <dnsop@ietf.org>, Michael Graff <Michael.Graff@nominum.com>, "D. J. Bernstein" <djb@cr.yp.to>, "dns-operations@dns-oarc.net" <dns-operations@dns-oarc.net>
Subject: Re: [DNSOP] [dns-operations] dnsop-any-notimp violates the DNS standards
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On Thu, Mar 12, 2015 at 4:09 PM, Mark Andrews <marka@isc.org> wrote:
>
> In message <3D558422-D5DA-4434-BDED-E752BA353358@flame.org>, Michael Graff writes:
>> What problem are we specifically trying to solve here again?
>
> A non-problem for most of us.
>
>> Michael
>
> If one really wants to reduce the number of packets required with
> SMTP processibg just write a RFC that says A and AAAA records should
> be returned in the additional section if no MX records exist at the
> qname.  This is currently permitted so vendors could do this today.

For some data; Route 53 does do this for MX, NS, SRV and CNAME. It's
never been a problem, and does seem to speed up processing a little.

-- 
Colm

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