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To: David Malone <dwmalone@maths.tcd.ie>
References: <20040206144006.GA848@gvr.gvr.org>
	<20040206150401.GA625@walton.maths.tcd.ie>
From: des@des.no (Dag-Erling =?iso-8859-1?q?Sm=F8rgrav?=)
Date: Sun, 08 Feb 2004 18:06:03 +0100
In-Reply-To: <20040206150401.GA625@walton.maths.tcd.ie> (David Malone's
 message of "Fri, 6 Feb 2004 15:04:01 +0000")
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cc: freebsd-current@freebsd.org
Subject: Re: resolver issues: AAAA in ipv4 only environment
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David Malone <dwmalone@maths.tcd.ie> writes:
> I've done some measurements, and it seems about half a percent of
> names and nameservers have some problem answering AAAA queries.
> Unfortunately, those names crop up alot, as several ad servers have
> problems. However, I think Doubliclick are now actually working
> toward fixing their name servers (though more people letting them
> know what a pain it is would probably help).

Actually, the best solution for DoubleClick is probably to blackhole
their IP block and/or add .doubleclick.net to the deny list in your
web proxy.

DES
--=20
Dag-Erling Sm=F8rgrav - des@des.no