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Re: [DNSOP] [dnsext] Re: Computerworld apparently has changed DNS protocol

Florian Weimer <fweimer@bfk.de> Wed, 11 November 2009 09:34 UTC

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To: Duane Wessels <wessels@dns-oarc.net>
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From: Florian Weimer <fweimer@bfk.de>
Date: Wed, 11 Nov 2009 09:34:52 +0000
In-Reply-To: <alpine.BSF.2.00.0911110625230.73921@in1.dns-oarc.net> (Duane Wessels's message of "Wed\, 11 Nov 2009 06\:29\:19 +0000 \(UTC\)")
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Cc: namedroppers@ops.ietf.org, dnsop@ietf.org, Nicholas Weaver <nweaver@ICSI.Berkeley.EDU>
Subject: Re: [DNSOP] [dnsext] Re: Computerworld apparently has changed DNS protocol
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* Duane Wessels:

> On Wed, 4 Nov 2009, Nicholas Weaver wrote:
>
>> Also, has someone done a study what the major recursive resolvers do
>> on response failures from a root?  Do they go to another first or do
>> they try a smaller EDNS MTU?
>
> I gave a presentation on this at the DNS-OARC meeting last week:
>
> https://www.dns-oarc.net/files/workshop-200911/Duane_Wessels.pdf

Have you installed any trust anchors in the resolver?  (I don't think
so, the packet numbers are a bit on the lower side for that.)

-- 
Florian Weimer                <fweimer@bfk.de>
BFK edv-consulting GmbH       http://www.bfk.de/
Kriegsstraße 100              tel: +49-721-96201-1
D-76133 Karlsruhe             fax: +49-721-96201-99

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