From owner-freebsd-questions@FreeBSD.ORG Thu May 31 22:04:12 2007 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 5103516A41F for ; Thu, 31 May 2007 22:04:12 +0000 (UTC) (envelope-from cswiger@mac.com) Received: from pi.codefab.com (pi.codefab.com [199.103.21.227]) by mx1.freebsd.org (Postfix) with ESMTP id 23B6813C45A for ; Thu, 31 May 2007 22:04:12 +0000 (UTC) (envelope-from cswiger@mac.com) Received: from localhost (localhost [127.0.0.1]) by pi.codefab.com (Postfix) with ESMTP id 6EEAD5DE5; Thu, 31 May 2007 18:04:11 -0400 (EDT) X-Virus-Scanned: amavisd-new at codefab.com Received: from pi.codefab.com ([127.0.0.1]) by localhost (pi.codefab.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id eBnpCvuRwhHb; Thu, 31 May 2007 18:04:07 -0400 (EDT) Received: from [192.168.1.3] (pool-71-190-78-62.nycmny.east.verizon.net [71.190.78.62]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by pi.codefab.com (Postfix) with ESMTP id 6DC6C5D4E; Thu, 31 May 2007 18:04:07 -0400 (EDT) Message-ID: <465F464E.2060503@mac.com> Date: Thu, 31 May 2007 18:03:58 -0400 From: Chuck Swiger User-Agent: Thunderbird 1.5.0.10 (Windows/20070221) MIME-Version: 1.0 To: Rob References: <465F33B3.7090301@xxiii.com> In-Reply-To: <465F33B3.7090301@xxiii.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: FreeBSD Questions Subject: Re: Help with Bind config syntax for reverse DNS on subnet 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: Thu, 31 May 2007 22:04:12 -0000 Rob wrote: > Hi, was hoping someone could help me with the correct syntax in my > named.conf for reverse DNS on a small subnet. > > Say I have 10.0.0.0/27, such that actual addresses are 10.0.0.0 through > 10.0.0.31 -- If I add a zone like: > zone "0.0.10.in-addr.arpa" { > type master; > file "master/0.0.10.in-addr.arpa"; }; > > ...I can define addresses for my little block, but reverse lookups on > the rest of 10.0.0.x seem to fail. What's the correct way to configure > Bind for this? That's known as "Classless IN-ADDR.ARPA delegation", and is documented here: http://www.ietf.org/rfc/rfc2317.txt -- -Chuck