From owner-freebsd-current@FreeBSD.ORG Mon May 17 23:37:58 2004 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 1EE1A16A4CE for ; Mon, 17 May 2004 23:37:58 -0700 (PDT) Received: from regina.plastikos.com (216-107-106-250.wan.networktel.net [216.107.106.250]) by mx1.FreeBSD.org (Postfix) with ESMTP id 86F5943D6B for ; Mon, 17 May 2004 23:37:56 -0700 (PDT) (envelope-from fullermd@over-yonder.net) Received: from mortis.over-yonder.net (adsl-222-83-19.jan.bellsouth.net [68.222.83.19]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by regina.plastikos.com (Postfix) with ESMTP id 7E8A06EEB9; Tue, 18 May 2004 02:37:55 -0400 (EDT) Received: by mortis.over-yonder.net (Postfix, from userid 100) id A709520F2F; Tue, 18 May 2004 01:37:53 -0500 (CDT) Date: Tue, 18 May 2004 01:37:53 -0500 From: "Matthew D. Fuller" To: Christian Hiris <4711@chello.at> Message-ID: <20040518063753.GB2038@over-yonder.net> References: <0cc701c43704$fe189fc0$7890a8c0@dyndns.org> <200405110321.i4B3LFGI073037@bunrab.catwhisker.org> <20040511093634.GA41727@gits.dyndns.org> <200405180814.15854.4711@chello.at> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200405180814.15854.4711@chello.at> X-Editor: vi X-OS: FreeBSD User-Agent: Mutt/1.5.6i-fullermd.2 cc: freebsd-current@freebsd.org cc: Cyrille Lefevre Subject: Re: bind timeouts X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 18 May 2004 06:37:58 -0000 On Tue, May 18, 2004 at 08:14:04AM +0200 I heard the voice of Christian Hiris, and lo! it spake thus: > > As far as i know MX records _must_ have an A record. RFC1035 states: MX records cause type A additional section processing for the host specified by EXCHANGE. The use of MX RRs is explained in detail in [RFC-974]. RFC974 says: There is one other special case. If the response contains an answer which is a CNAME RR, it indicates that REMOTE is actually an alias for some other domain name. The query should be repeated with the canonical domain name. RFC2821 obsoletes 974, but says substantially the same in regards to CNAME's. So, by the RFC's it's allowed. For me, I think it's a bad practice. But, hey... -- Matthew Fuller (MF4839) | fullermd@over-yonder.net Systems/Network Administrator | http://www.over-yonder.net/~fullermd/ "The only reason I'm burning my candle at both ends, is because I haven't figured out how to light the middle yet"