Date: Tue, 13 Nov 2001 10:59:23 +0000 From: Nick Barnes <Nick.Barnes@pobox.com> To: Dmitry Karasik <dmitry@karasik.eu.org> Cc: freebsd-stable@FreeBSD.ORG Subject: Re: Weird resolver behavior Message-ID: <20202.1005649163@thrush.ravenbrook.com> In-Reply-To: Message from Dmitry Karasik <dmitry@karasik.eu.org> of "12 Nov 2001 11:26:36 %2B0100." <u1yj4i8tf.fsf@karasik.eu.org>
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AAAA is an IPv6 address record; RFC1886. Nick B At 2001-11-12 10:26:36+0000, Dmitry Karasik writes: > > Hello all > > I'm seeking advice on what might have happened and what can be done in the > following situation. I noticed that 'ssh prima.eu.org' for me takes 0.2 > sec, while 'ssh cvs.prima.eu.org' takes ~30 sec, while these two are the same > machine. > > I suspected DNS misconfiguration, but didn't find any. Well at least > I didn't touch anything for months there. Anyway, the tcpdump output to the > closest resolver was: > > 17:10:10.601561 plab.ku.dk.2702 > danpost.uni-c.dk.domain: 40331+ AAAA? cvs.prima.eu.org. (34) > 17:10:10.605903 danpost.uni-c.dk.domain > plab.ku.dk.2702: 56366 ServFail0/0/0 (48) > > and so on with typical retranmission timeouts: 2, 5, 6, 3 seconds etc. > > The AAAA intrigued me very much. I didn't find any mention to it in > RFC1035, but well it might be pretty valid; I just don't know. > > Nevertheless, something is wrong, because /var/log/messages is thrashed by > > Nov 8 15:02:11 plab named[228]: sysquery: no addrs found for root NS (AUTH210.NS.UU.NET) > Nov 8 15:02:11 plab named[228]: sysquery: no addrs found for root NS () > Nov 8 15:02:11 plab named[228]: sysquery: no addrs found for root NS (AUTH210.NS.UU.NET) > Nov 8 15:02:11 plab named[228]: sysquery: no addrs found for root NS () > Nov 8 15:02:15 plab named[228]: sysquery: no addrs found for root NS (mail.ftf.net) > Nov 8 15:02:15 plab named[228]: sysquery: no addrs found for root NS (hotel.ftf.net) > > and the like. > > Please help. > > System is FreeBSD-4.3-STABLE, named-8.2.3 > > -- > Sincerely, > Dmitry > > --- www.karasik.eu.org --- > > Life ain't fair, but the root password helps. > - BOFH > > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-stable" in the body of the message > > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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