From owner-freebsd-questions Fri Sep 29 17:30:51 2000 Delivered-To: freebsd-questions@freebsd.org Received: from falcon.prod.itd.earthlink.net (falcon.prod.itd.earthlink.net [207.217.120.74]) by hub.freebsd.org (Postfix) with ESMTP id 466FF37B502; Fri, 29 Sep 2000 17:30:39 -0700 (PDT) Received: from veager.siteplus.net (user-38lc8rs.dialup.mindspring.com [209.86.35.124]) by falcon.prod.itd.earthlink.net (8.9.3-EL_1_3/8.9.3) with ESMTP id RAA21737; Fri, 29 Sep 2000 17:30:23 -0700 (PDT) Date: Fri, 29 Sep 2000 20:30:16 -0400 (EDT) From: Jim Weeks To: sthaug@nethelp.no Cc: jan@smartsoft.cc, freebsd-questions@FreeBSD.ORG, freebsd-isp@FreeBSD.ORG Subject: Re: DNS: having domain1.com and domain1.net point to the same IP. In-Reply-To: <31877.970245833@verdi.nethelp.no> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Fri, 29 Sep 2000 sthaug@nethelp.no wrote: > > Reverse lookups are like Highlanders. "There can be only one." > > No. You can certainly have a reverse lookup returning multiple names. > Ie. the following is perfectly legal: > > $origin 3.2.1.in-addr.arpa. > 4 PTR name1.example.com. > 4 PTR name2.example.com. > 4 PTR name3.example.com. > > However, this does *not* necessarily mean that such a configuration > is good idea... > > Steinar Haug, Nethelp consulting, sthaug@nethelp.no I am certainly aware that the entries can legally be made, however I have played with some and not found it to be very useful. In fact I don't know of any software that can make good use of it. This doesn't mean there isn't any. I just don't know of any. If you have done dnswalk and digs on various virtual domains around the net, I am sure that you have found DNS to be poorly configured on many occasions. I am sometimes surprised that the Internet works as well as it does. Jim To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message