From owner-freebsd-questions@FreeBSD.ORG Tue Jun 1 06:06:00 2004 Return-Path: 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 31E6916A4CE for ; Tue, 1 Jun 2004 06:06:00 -0700 (PDT) Received: from internet.potentialtech.com (h-66-167-251-6.phlapafg.covad.net [66.167.251.6]) by mx1.FreeBSD.org (Postfix) with ESMTP id C193D43D48 for ; Tue, 1 Jun 2004 06:05:59 -0700 (PDT) (envelope-from wmoran@potentialtech.com) Received: from potentialtech.com (pa-plum1c-102.pit.adelphia.net [24.53.179.102]) by internet.potentialtech.com (Postfix) with ESMTP id A168E69A71; Tue, 1 Jun 2004 09:05:57 -0400 (EDT) Message-ID: <40BC7F33.8070805@potentialtech.com> Date: Tue, 01 Jun 2004 09:05:55 -0400 From: Bill Moran User-Agent: Mozilla/5.0 (X11; U; FreeBSD i386; en-US; rv:1.6) Gecko/20040506 X-Accept-Language: en-us, en MIME-Version: 1.0 To: jaymo@cromagnon.cullmail.com References: <200406010231.20904.jaymo@cromagnon.cullmail.com> In-Reply-To: <200406010231.20904.jaymo@cromagnon.cullmail.com> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit cc: FreeBSD Mailing List Subject: Re: DNS usage question X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 01 Jun 2004 13:06:00 -0000 Jay Moore wrote: > I'm running sendmail on my 5.2.1 system, and have a number of DNSBLs set up in > my sendmail configuration. I am not currently running BIND (or any other > nameserver), and therefore have configured my system to use one of my ISP's > DNS servers. > > I've noticed that each attempted connection to my mail server now generates a > flurry of DNS requests from my mail server to my ISP's DNS server. > > I'd like to streamline this process, but I don't really want to take on DNS > administration. I've heard about caching DNS servers, and "tiny DNS", and I > wondered if they might suit my needs. As with bind, setting up tinyDNS's dnscache program is pretty trivial. See the instructions here: http://cr.yp.to/djbdns.html (He even has different HOWTOs for the different usage scenerios) Note one thing: if you install tinyDNS from ports, your svscan directory will be /var/service instead of /service to comply with hier(7). Adjust the instructions accordingly. -- Bill Moran Potential Technologies http://www.potentialtech.com