From owner-freebsd-stable@FreeBSD.ORG Tue Mar 16 16:59:46 2004 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 34BE616A4CE for ; Tue, 16 Mar 2004 16:59:46 -0800 (PST) Received: from farside.isc.org (farside.isc.org [204.152.187.5]) by mx1.FreeBSD.org (Postfix) with ESMTP id 2A3C243D1D for ; Tue, 16 Mar 2004 16:59:46 -0800 (PST) (envelope-from Mark_Andrews@isc.org) Received: from drugs.dv.isc.org (localhost [IPv6:::1]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by farside.isc.org (Postfix) with ESMTP id 4471CA84A for ; Wed, 17 Mar 2004 00:59:45 +0000 (UTC) (envelope-from marka@isc.org) Received: from drugs.dv.isc.org (localhost [127.0.0.1]) by drugs.dv.isc.org (8.12.10/8.12.10) with ESMTP id i2GKukqW087586; Wed, 17 Mar 2004 07:56:47 +1100 (EST) (envelope-from marka@drugs.dv.isc.org) Message-Id: <200403162056.i2GKukqW087586@drugs.dv.isc.org> To: David Malone From: Mark Andrews In-reply-to: Your message of "Tue, 16 Mar 2004 17:28:21 -0000." <20040316172821.GA96523@walton.maths.tcd.ie> Date: Wed, 17 Mar 2004 07:56:46 +1100 Sender: Mark_Andrews@isc.org cc: domains@develooper.com cc: freebsd-stable@freebsd.org Subject: Re: ftp.perl.org strangeness X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 17 Mar 2004 00:59:46 -0000 > On Tue, Mar 16, 2004 at 04:59:28PM +0100, Nora Etukudo wrote: > > Asking for MX and TXT works: > > > > # host -t TXT ftp.perl.org > > ftp.perl.org is an alias for ftp.cpan.ddns.develooper.com. > > ftp.cpan.ddns.develooper.com text "serviced by cpan.noris.de." > > > > # host -t MX ftp.perl.org > > ftp.perl.org is an alias for ftp.cpan.ddns.develooper.com. > > ftp.cpan.ddns.develooper.com mail is handled by 10 miette.develooper.com. > > ftp.cpan.ddns.develooper.com mail is handled by 11 relaybackup.netcetera.dk > . > > You're right - I'd tried AAAA, SOA, NS and HINFO. > > David. > _______________________________________________ > freebsd-stable@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org" They have other nameserver quirkiness. The following is also wrong. This answer should have the CNAME record in the answer section. The servers for perl.org silently ignore the EDNS part of EDNS queries treating them as plain DNS queries. Also the load balancer doesn't understand EDNS resulting in double queries to the load balancer. One EDNS and one non-EDNS. Mark ; <<>> DiG 8.3 <<>> soa ftp.perl.org @ns.develooper.com ; (1 server found) ;; res options: init recurs defnam dnsrch no-tld-query edns0 ;; got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 22753 ;; flags: qr aa rd; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0 ;; QUERY SECTION: ;; ftp.perl.org, type = SOA, class = IN ;; AUTHORITY SECTION: perl.org. 30M IN SOA ns.develooper.com. domains.develooper.com. ( 2004031606 ; serial 1h30m ; refresh 1h30m ; retry 1W ; expiry 15M ) ; minimum ;; Total query time: 353 msec ;; FROM: drugs.dv.isc.org to SERVER: 63.251.223.177 ;; WHEN: Wed Mar 17 07:45:15 2004 ;; MSG SIZE sent: 41 rcvd: 113 -- Mark Andrews, ISC 1 Seymour St., Dundas Valley, NSW 2117, Australia PHONE: +61 2 9871 4742 INTERNET: Mark_Andrews@isc.org