Date: Tue, 17 Jul 2007 11:06:30 +0200 From: "Heiko Wundram (Beenic)" <wundram@beenic.net> To: freebsd-stable@freebsd.org Subject: Re: Problems with named default configuration in 6-STABLE Message-ID: <200707171106.30795.wundram@beenic.net> In-Reply-To: <469C835B.6090304@vwsoft.com> References: <200707162319.41724.lofi@freebsd.org> <200707171005.37507.wundram@beenic.net> <469C835B.6090304@vwsoft.com>
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On Tuesday 17 July 2007 10:52:43 Volker wrote: > <snip> > Relying on a zone transfer doesn't seem to be reliable to me as more > than half of the root servers doesn't reply to AXFR requests. I've heard pretty much the same thing as you did wrt. root name servers denying AXFR, but as "it works" (TM), I don't see a reason not to use it. And it seems that the author of the FreeBSD default named.conf thought likewise, which is pretty okay with me (from the experience I gathered this morning). By the way: using the roots as hints only adds to the number of requests your server has to do in order to retrieve first-level domain name servers, so in the end, the transmitted data should be way higher than doing one AXFR to find them (simply because you'll see a large subset of those toplevel domains being requested when you're publically offering a DNS server). And the data is also cached on an AXFR in persistant storage, which is another major benefit (for me). -- Heiko Wundram Product & Application Development ------------------------------------- Office Germany - EXPO PARK HANNOVER Beenic Networks GmbH Mailänder Straße 2 30539 Hannover Fon +49 511 / 590 935 - 15 Fax +49 511 / 590 935 - 29 Mail wundram@beenic.net Beenic Networks GmbH ------------------------------------- Sitz der Gesellschaft: Hannover Geschäftsführer: Jorge Delgado Registernummer: HRB 61869 Registergericht: Amtsgericht Hannover
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