From owner-freebsd-stable Thu Jan 11 9:35:34 2001 Delivered-To: freebsd-stable@freebsd.org Received: from mail2.uniserve.com (mail2.uniserve.com [204.244.156.10]) by hub.freebsd.org (Postfix) with ESMTP id 26AF537B401 for ; Thu, 11 Jan 2001 09:35:15 -0800 (PST) Received: from shell.uniserve.ca ([204.244.186.218]) by mail2.uniserve.com with esmtp (Exim 3.13 #1) id 14Gld2-000Mrb-00; Thu, 11 Jan 2001 09:35:12 -0800 Date: Thu, 11 Jan 2001 09:35:10 -0800 (PST) From: Tom X-Sender: tom@shell.uniserve.ca To: Mike Andrews Cc: stable@freebsd.org Subject: Re: Weird sporadic DNS resolution problems In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Thu, 11 Jan 2001, Mike Andrews wrote: > When one (but not both) of the nameservers for a domain replies > non-authoritatively, named will cache a negative response, rather than > asking the other nameserver. Subsequent lookups return an immediate That is the way it is supposed to work. If there is a negative response (NXDOMAIN), the domain you are asking for does not exist. Servers need to send a referral, or just not answer at all, if you want your DNS server to check other servers. There are so many screwed DNS servers on the internet these days. Tom Uniserve To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message