Date: Fri, 2 May 2003 18:35:49 +0100 From: David Malone <dwmalone@maths.tcd.ie> To: Melvyn Sopacua <freebsd-stable@webteckies.org> Cc: FreeBSD Stable <freebsd-stable@freebsd.org> Subject: Re: IPv6 Resolver (or: Slow rendering of Webpages using Konqueror) Message-ID: <20030502173549.GA10527@walton.maths.tcd.ie> In-Reply-To: <200305021803.18757.freebsd-stable@webteckies.org> References: <200305021105.h42B5p1G012593@drugs.dv.isc.org> <200305021803.18757.freebsd-stable@webteckies.org>
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On Fri, May 02, 2003 at 06:03:18PM +0200, Melvyn Sopacua wrote: > Let's keep the flaming part to a minimum. I sent an email to DoubleClick > regarding the issue, and my support contact has forwarded the email to the > Networking guys and will follow up on it (and if he doesn't I will). > So essentially, we're working on the same end of the problem. Yay! I've mailed them about this before and never got a response from them. I was pretty polite with them, and pointed out that the problem caused their ads to be missed by my users. Since I got no response I just set up my nameserver to think it was authorititive for doubleclick.net and give it an empty zone, so lookups are much faster now. >-) > My _personal_ opinion, is that it's just plain dumb, that these 'loadbalancing > cowboys' can tie up system resources for such a lengthly period of time and a > systems' administrator can do nothing about it, but patch applications. > > Imagine the implications, when your mailserver is presented with a bunch of > 'MAIL FROM: foo@doubleclick.net'... Unfortunately, anyone with a non responding name server (v4 or v6, transport or records) generates a very similar looking problem, if DNS lookups in your service/application are single threaded. David.
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