Date: Tue, 10 Feb 2009 14:09:54 +0200 From: David Naylor <naylor.b.david@gmail.com> To: Mel <fbsd.questions@rachie.is-a-geek.net> Cc: freebsd-questions@freebsd.org Subject: Re: Slow DNS (and host: connection timed out) Message-ID: <200902101409.57195.naylor.b.david@gmail.com> In-Reply-To: <200902092233.36536.fbsd.questions@rachie.is-a-geek.net> References: <200902060955.59611.naylor.b.david@gmail.com> <200902092233.36536.fbsd.questions@rachie.is-a-geek.net>
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On Tuesday 10 February 2009 09:33:36 Mel wrote:
> On Thursday 05 February 2009 22:55:56 David Naylor wrote:
> > Hi,
> >
> > My ISP is using a WinGate DNS but resolving host names often takes a lo=
ng
> > time. The problem is also present in Konqueror (3 & 4) and Firefox.
> >
> > An example:
> > # time host google.co.za
> > google.co.za has address 66.249.93.104
> > google.co.za has address 72.14.207.104
> > google.co.za has address 64.233.161.104
> > ;; connection timed out; no servers could be reached
> > ;; connection timed out; no servers could be reached
>
> Do your own DNS. Your ISP chokes in AAAA ('IPv6') look ups. If you're not
> allowed to, still run a local resolver with aggressive neg ttl caching.
>
> See the numerous tutorials on the web on how to run your own resolver.
Well spotted. You are right that the ISP is choking on AAAA, except it is=
=20
returning SERVFAIL. I already have a local named running and acts as a=20
forwarder. Unfortunately I have to use the ISP to resolve names (it is the=
=20
only nameserver I have access to). =20
Google says bind won't cache SERVFAIL responces and I have no idea how to=20
disable named from forwarding AAAA requests. =20
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