Re: [DNSOP] DNS Delegation Requirements

Tony Finch <dot@dotat.at> Wed, 10 February 2016 10:36 UTC

Return-Path: <fanf2@hermes.cam.ac.uk>
X-Original-To: dnsop@ietfa.amsl.com
Delivered-To: dnsop@ietfa.amsl.com
Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 2C20F1A1A7D for <dnsop@ietfa.amsl.com>; Wed, 10 Feb 2016 02:36:39 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -1.902
X-Spam-Level:
X-Spam-Status: No, score=-1.902 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RP_MATCHES_RCVD=-0.001, SPF_HELO_PASS=-0.001] autolearn=ham
Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id cfqstmjgahUD for <dnsop@ietfa.amsl.com>; Wed, 10 Feb 2016 02:36:36 -0800 (PST)
Received: from ppsw-42.csi.cam.ac.uk (ppsw-42.csi.cam.ac.uk [131.111.8.142]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id A2A651A1A7B for <dnsop@ietf.org>; Wed, 10 Feb 2016 02:36:36 -0800 (PST)
X-Cam-AntiVirus: no malware found
X-Cam-ScannerInfo: http://www.cam.ac.uk/cs/email/scanner/
Received: from hermes-2.csi.cam.ac.uk ([131.111.8.54]:46971) by ppsw-42.csi.cam.ac.uk (smtp.hermes.cam.ac.uk [131.111.8.158]:25) with esmtpa (EXTERNAL:fanf2) id 1aTS8P-000MlZ-9P (Exim 4.86_36-e07b163) (return-path <fanf2@hermes.cam.ac.uk>); Wed, 10 Feb 2016 10:36:33 +0000
Received: from fanf2 by hermes-2.csi.cam.ac.uk (hermes.cam.ac.uk) with local id 1aTS8P-0000A9-Sd (Exim 4.72) (return-path <fanf2@hermes.cam.ac.uk>); Wed, 10 Feb 2016 10:36:33 +0000
Date: Wed, 10 Feb 2016 10:36:33 +0000
From: Tony Finch <dot@dotat.at>
X-X-Sender: fanf2@hermes-2.csi.cam.ac.uk
To: Mark Andrews <marka@isc.org>
In-Reply-To: <20160209233439.2279C41C190F@rock.dv.isc.org>
Message-ID: <alpine.LSU.2.00.1602101035430.11434@hermes-2.csi.cam.ac.uk>
References: <3A6EF5A0-928C-4F10-BD68-265DAE87F9A8@kirei.se> <4C7298C1-4331-4953-881F-89C7BB3FED39@fl1ger.de> <CAHw9_iKDcqzW6NQkwyBh933=apjAqCDLKF7O60D5fmLm+PgLkg@mail.gmail.com> <e915c2c6f1b54b0188ee90eb753fbcb7@mxph4chrw.fgremc.it> <CAHw9_iLZfgGFTvjqXWDQvLdUUwpS-Ok3LKKzEbWqtsrQi+w==Q@mail.gmail.com> <C059877D829F76429F49E0B48705D888DDD21B4C@EXCH-01.CORP.CIRA.CA> <cd765f8368da465ea1078e20e77ea06c@mxph4chrw.fgremc.it> <20160209233439.2279C41C190F@rock.dv.isc.org>
User-Agent: Alpine 2.00 (LSU 1167 2008-08-23)
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset="US-ASCII"
Sender: Tony Finch <fanf2@hermes.cam.ac.uk>
Archived-At: <http://mailarchive.ietf.org/arch/msg/dnsop/i3xyDzE8ehZK5nkYFJWMxGZrNBA>
Cc: dnsop <dnsop@ietf.org>, "Darcy Kevin (FCA)" <kevin.darcy@fcagroup.com>
Subject: Re: [DNSOP] DNS Delegation Requirements
X-BeenThere: dnsop@ietf.org
X-Mailman-Version: 2.1.15
Precedence: list
List-Id: IETF DNSOP WG mailing list <dnsop.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/dnsop>, <mailto:dnsop-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/dnsop/>
List-Post: <mailto:dnsop@ietf.org>
List-Help: <mailto:dnsop-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/dnsop>, <mailto:dnsop-request@ietf.org?subject=subscribe>
X-List-Received-Date: Wed, 10 Feb 2016 10:36:39 -0000

Mark Andrews <marka@isc.org> wrote:
>
> Mail domains have exactly the same syntax requirements as hostnames.

Except that trailing dots are not allowed on mail domains!

Tony.
-- 
f.anthony.n.finch  <dot@dotat.at>  http://dotat.at/
German Bight, Humber: Northwest 5 to 7, occasionally gale 8 at first in
Humber. Moderate or rough. Rain or showers. Moderate or good.