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Re: [DNSOP] BULK RR as optional feature

"Woodworth, John R" <John.Woodworth@CenturyLink.com> Wed, 29 March 2017 04:24 UTC

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From: "Woodworth, John R" <John.Woodworth@CenturyLink.com>
To: 'John R Levine' <johnl@taugh.com>, Evan Hunt <each@isc.org>
CC: "dnsop@ietf.org" <dnsop@ietf.org>, "Woodworth, John R" <John.Woodworth@CenturyLink.com>
Thread-Topic: [DNSOP] BULK RR as optional feature
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Date: Wed, 29 Mar 2017 04:24:01 +0000
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Subject: Re: [DNSOP] BULK RR as optional feature
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> -----Original Message-----
> From: DNSOP [mailto:dnsop-bounces@ietf.org] On Behalf Of John R Levine
>
> > But if you have a primary that supports BULK and a secondary
> > that doesn't, then you have two authoritative servers for the same
> > domain with the same serial number but one of is saying NXDOMAIN
> > when the other one returns a positive answer.  This is a significant
> > problem, and the draft ought to address it.  (Or have I
> > misunderstood something?)
>
> That's exactly the problem -- a server that doesn't handle BULK will
> return the wrong answer.  It might return the BULK record itself or
> NXDOMAIN for an address that BULK would synthesize.
>

Hi John,

Thanks again for your comment.

I am curious why you feel a nameserver unaware of a new record type
would ever return it instead of the known type it queried?

It should either exist (i.e. be BULK aware and synthesized) or
not exist (which it does not) and return NXDOMAIN.


Thanks,
John

>
> Regards,
> John Levine, johnl@taugh.com, Taughannock Networks, Trumansburg NY
> Please consider the environment before reading this e-mail. https://jl.ly
>
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