[105214] in North American Network Operators' Group

home help back first fref pref prev next nref lref last post

Re: DNS problems to RoadRunner - tcp vs udp

daemon@ATHENA.MIT.EDU (Florian Weimer)
Sun Jun 15 04:20:31 2008

From: Florian Weimer <fw@deneb.enyo.de>
To: Sean Donelan <sean@donelan.com>
Date: Sun, 15 Jun 2008 10:19:56 +0200
In-Reply-To: <Pine.GSO.4.64.0806141900340.574@clifden.donelan.com> (Sean
	Donelan's message of "Sat, 14 Jun 2008 19:43:46 -0400 (EDT)")
Cc: nanog@merit.edu
Errors-To: nanog-bounces@nanog.org

* Sean Donelan:

> Any network with a large user population probably should have separate
> DNS servers for their authoritative zones answering the Internet
> at-large and their recursive resolvers serving their user population.

It's not so much a question of network size.  You absolutely must use
different views if you host DNS for customer domains because there is a
race conidtion in the delegation provisioning protocol used by most TLDs
(you need to add the domain before you receive the delegation).


home help back first fref pref prev next nref lref last post