From owner-freebsd-stable Thu Jun 22 15:46:52 2000 Delivered-To: freebsd-stable@freebsd.org Received: from snafu.adept.org (adsl-63-201-63-44.dsl.snfc21.pacbell.net [63.201.63.44]) by hub.freebsd.org (Postfix) with ESMTP id 3326937B797 for ; Thu, 22 Jun 2000 15:46:49 -0700 (PDT) (envelope-from mike@adept.org) Received: by snafu.adept.org (Postfix, from userid 1000) id E50E89EE01; Thu, 22 Jun 2000 15:44:58 -0700 (PDT) Received: from localhost (localhost [127.0.0.1]) by snafu.adept.org (Postfix) with ESMTP id D9A6F9B001; Thu, 22 Jun 2000 15:44:58 -0700 (PDT) Date: Thu, 22 Jun 2000 15:44:58 -0700 (PDT) From: Mike To: Brad Knowles Cc: "laurens van alphen (craxx)" , freebsd-stable@FreeBSD.ORG Subject: Re: Weird NSLOOKUP output... In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Hmm. [70]mike@snafu{mike}$ nslookup 194.151.212.12 Server: localhost.adept.org Address: 127.0.0.1 Name: ns2.castel.nl Address: 194.151.212.12 [71]mike@snafu{mike}$ nslookup 194.151.212.12 ns2.castel.nl *** Can't find server name for address 194.151.212.12: Server failed *** Default servers are not available That error, of course, happens when the nameserver doesn't have a PTR record. Not sure why the PTR is seen from my box but not from your box. Are you authoritative for the reverse zone(s)? -mrh On Thu, 22 Jun 2000, Brad Knowles wrote: > At 3:25 PM +0200 2000/6/22, laurens van alphen (craxx) wrote: > > > BB (big brother) has reported some nameserver problems with our > > upstream. > > > > - Maybe NSLOOKUP is broken (FreeBSD 4.0-STABLE #4: Sun Jun 18 00:32:25 CEST > > 2000) because DIG works fine. > > It is normal for nslookup to try to lookup the name of the > nameserver it is told to be using, according to the IP address listed > in /etc/resolv.conf. If there is a temporary DNS problem and there > are no other servers listed in /etc/resolv.conf (or that was the last > one), this can cause nslookup to abort. > > It is my understanding that the current version of nslookup is > unlikely to live much longer. BIND-knowledgeable people I know of > strongly recommend that you use "dig" instead, and in fact I've heard > rumours that future versions of nslookup may in fact simply be > another interface to the "dig" program, or may be a script of some > sort that simply calls dig. > > -- > These are my opinions -- not to be taken as official Skynet policy > ====================================================================== > Brad Knowles, || Belgacom Skynet SA/NV > Systems Architect, Mail/News/FTP/Proxy Admin || Rue Colonel Bourg, 124 > Phone/Fax: +32-2-706.13.11/12.49 || B-1140 Brussels > http://www.skynet.be || Belgium > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-stable" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message