From owner-freebsd-questions Sat Oct 30 18:25:34 1999 Delivered-To: freebsd-questions@freebsd.org Received: from java.dpcsys.com (java.dpcsys.com [206.16.184.7]) by hub.freebsd.org (Postfix) with ESMTP id 1C9C414DAA for ; Sat, 30 Oct 1999 18:25:29 -0700 (PDT) (envelope-from dan@dpcsys.com) Received: from localhost (dan@localhost) by java.dpcsys.com (8.9.1a/8.9.1) with SMTP id SAA27473; Sat, 30 Oct 1999 18:23:28 -0700 (PDT) Date: Sat, 30 Oct 1999 18:23:28 -0700 (PDT) From: Dan Busarow To: John Cc: freebsd-questions@FreeBSD.ORG Subject: Re: Reverse DNS lookup In-Reply-To: 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 Oct 1999, John wrote: > > > The question - is there something that needs to be configured some place > > > to enable reverse DNS? Odds are I need to provide additional information > > > off my system - just let me know what it is :) > > > > Send the output of > > > > $ nslookup 206.16.184.7 > > Output is actually a timeout after about 60 seconds or so: > > merlin# nslookup 206.16.184.7 > Server: copland.udel.edu > Address: 128.175.xx.xx > > *** Request to copland.udel.edu timed-out Looks like your uni is having network problems, I sent you a copy directly and got a sendmail warning ----- The following addresses had transient non-fatal errors ----- ----- Transcript of session follows ----- ... Deferred: Name server: udel.edu.: host name lookup failure Warning: message still undelivered after 4 hours Will keep trying until message is 5 days old > I tried instead an IP I've actually been having trouble resolving: > > merlin# nslookup 63.224.53.3 > Server: copland.udel.edu > Address: 128.175.xx.xx > > *** copland.udel.edu can't find 63.224.53.3: Non-existent host/domain That's cause there is no reverse for that IP. It's from a /25 subnet and US West probably doesn't delegate less than a /24 for in-addr.arpa Dan -- Dan Busarow 949 443 4172 Dana Point Communications, Inc. dan@dpcsys.com Dana Point, California 83 09 EF 59 E0 11 89 B4 8D 09 DB FD E1 DD 0C 82 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message