From owner-freebsd-questions@FreeBSD.ORG Sat Oct 28 13:13:15 2006 Return-Path: X-Original-To: questions@freebsd.org Delivered-To: freebsd-questions@FreeBSD.ORG Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 6468B16A415 for ; Sat, 28 Oct 2006 13:13:15 +0000 (UTC) (envelope-from roberthuff@rcn.com) Received: from smtp02.lnh.mail.rcn.net (smtp02.lnh.mail.rcn.net [207.172.157.102]) by mx1.FreeBSD.org (Postfix) with ESMTP id C2B3543D45 for ; Sat, 28 Oct 2006 13:13:14 +0000 (GMT) (envelope-from roberthuff@rcn.com) Received: from mr02.lnh.mail.rcn.net ([207.172.157.22]) by smtp02.lnh.mail.rcn.net with ESMTP; 28 Oct 2006 09:12:48 -0400 Received: from smtp01.lnh.mail.rcn.net (smtp01.lnh.mail.rcn.net [207.172.4.11]) by mr02.lnh.mail.rcn.net (MOS 3.7.5a-GA) with ESMTP id MKX85289; Sat, 28 Oct 2006 09:12:46 -0400 (EDT) Received: from 209-6-203-219.c3-0.smr-ubr1.sbo-smr.ma.cable.rcn.com (HELO jerusalem.litteratus.org.litteratus.org) ([209.6.203.219]) by smtp01.lnh.mail.rcn.net with ESMTP; 28 Oct 2006 09:12:46 -0400 X-IronPort-AV: i="4.09,367,1157342400"; d="scan'208"; a="301873357:sNHT23430772" From: Robert Huff MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <17731.22324.706536.159980@jerusalem.litteratus.org> Date: Sat, 28 Oct 2006 09:12:20 -0400 To: FreeBSD Questions In-Reply-To: <2B8A4ACE-ACE3-44D0-B40B-26D96D43A4E8@shire.net> References: <20061028025626.GA39172@skytracker.ca> <2B8A4ACE-ACE3-44D0-B40B-26D96D43A4E8@shire.net> X-Mailer: VM 7.17 under 21.5 (beta27) "fiddleheads" XEmacs Lucid X-Junkmail-Status: score=10/50, host=mr02.lnh.mail.rcn.net X-Junkmail-SD-Raw: score=unknown, refid=str=0001.0A090205.4543570B.00A2,ss=1,fgs=0, ip=207.172.4.11, so=2006-05-09 23:27:51, dmn=5.2.113/2006-07-26 Cc: Subject: Re: how to know what DNS server is being used X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 28 Oct 2006 13:13:15 -0000 Chad Leigh -- Shire.Net LLC writes: > > On my registrars site I have two DNS servers listing. How would > > I know that 1) both are working. 2) which one is being used. > > For #2, do you mean by the world at large? Which one is being > used when people look up your domain and hosts in your domain? > Both of them should get used. I don't know what algorithm is > used but both will be used by people. As I understand it, when presented with a list of N>1 possible nameservers standard resolver libraries will pick one at random and continue to use it until something changes (nameserver goes off-line, local cache is flushed, etc.). Robert Huff