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Subject: Re: dnscache
From: Ralf Hildebrandt (news-list.postfix.usersinnominate.de)
Date: Wed Jun 14 2000 - 07:53:32 CDT


On 14 Jun 2000 14:23:38 +0200, Brad Knowles <blkskynet.be> wrote:
>At 12:47 PM +0200 2000/6/14, Wietse Venema wrote:
>
>> What if the reply is "too large" for UDP?
>
> Such as the MXes for aol.com? In fact, last time I checked, just
>the list of NSes for adobe.com caused it to exceed the 512 byte limit
>of UDP.

Uh. If I "dig +debug aol.com MX", I get:

... snip ...
;; Total query time: 15 msec
;; FROM: gulliver to SERVER: default -- 10.0.0.1
;; WHEN: Wed Jun 14 14:52:37 2000
;; MSG SIZE sent: 25 rcvd: 471

What is the limit (for the size of an UDP packet) ?

-- 
Ralf.Hildebrandtinnominate.de
                                                          innominate AG
                                                      networking people
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