IETF Logo Mail Archive

Re: [DNSOP] rfc 952, rfc 1123 and 25 years of .com

Mark Andrews <marka@isc.org> Tue, 16 March 2010 21:04 UTC

Return-Path: <marka@isc.org>
X-Original-To: dnsop@core3.amsl.com
Delivered-To: dnsop@core3.amsl.com
Received: from localhost (localhost [127.0.0.1]) by core3.amsl.com (Postfix) with ESMTP id A3C143A680F for <dnsop@core3.amsl.com>; Tue, 16 Mar 2010 14:04:25 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -1.265
X-Spam-Level:
X-Spam-Status: No, score=-1.265 tagged_above=-999 required=5 tests=[AWL=-1.266, BAYES_00=-2.599, MANGLED_REGSTR=2.3, MIME_8BIT_HEADER=0.3]
Received: from mail.ietf.org ([64.170.98.32]) by localhost (core3.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id SMZpAlnktFs1 for <dnsop@core3.amsl.com>; Tue, 16 Mar 2010 14:04:24 -0700 (PDT)
Received: from farside.isc.org (farside.isc.org [IPv6:2001:4f8:3:bb::5]) by core3.amsl.com (Postfix) with ESMTP id B483B3A67C0 for <dnsop@ietf.org>; Tue, 16 Mar 2010 14:04:23 -0700 (PDT)
Received: from drugs.dv.isc.org (drugs.dv.isc.org [IPv6:2001:470:1f00:820:214:22ff:fed9:fbdc]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "drugs.dv.isc.org", Issuer "ISC CA" (not verified)) by farside.isc.org (Postfix) with ESMTP id D8FF8E60B3; Tue, 16 Mar 2010 21:04:30 +0000 (UTC) (envelope-from marka@isc.org)
Received: from drugs.dv.isc.org (localhost [127.0.0.1]) by drugs.dv.isc.org (8.14.3/8.14.3) with ESMTP id o2GL4QEo047003; Wed, 17 Mar 2010 08:04:28 +1100 (EST) (envelope-from marka@drugs.dv.isc.org)
Message-Id: <201003162104.o2GL4QEo047003@drugs.dv.isc.org>
To: João Damas <joao@bondis.org>
From: Mark Andrews <marka@isc.org>
References: <7E9577AA-2FB1-4724-83B0-86AAAEC9CDD1@bondis.org>
In-reply-to: Your message of "Tue, 16 Mar 2010 09:39:43 BST." <7E9577AA-2FB1-4724-83B0-86AAAEC9CDD1@bondis.org>
Date: Wed, 17 Mar 2010 08:04:26 +1100
Sender: marka@isc.org
Cc: "dnsop@ietf.org WG" <dnsop@ietf.org>
Subject: Re: [DNSOP] rfc 952, rfc 1123 and 25 years of .com
X-BeenThere: dnsop@ietf.org
X-Mailman-Version: 2.1.9
Precedence: list
List-Id: IETF DNSOP WG mailing list <dnsop.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/listinfo/dnsop>, <mailto:dnsop-request@ietf.org?subject=unsubscribe>
List-Archive: <http://www.ietf.org/mail-archive/web/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: Tue, 16 Mar 2010 21:04:25 -0000

In message <7E9577AA-2FB1-4724-83B0-86AAAEC9CDD1@bondis.org>, =?iso-8859-1?Q?Jo
=E3o_Damas?= writes:
> casually looking through what seems to be a list of the oldest .com registrat
> ion still around, I came across 3com.com, registered, according to whois on 1
> 1-dec-1986. Been a while :)
> Thing is I had this vague impression that domain names weren't allowed to beg
> in with a number until later than that. Upon checking, RFC 952, published in 
> October 1985 had the starting-number restriction and it wasn't until RFC 1123
>  (Oct 1989) that this got relaxed. Anyone around remember how 3com.com got re
> gistered ahead of it seemingly being a valid domain name (and again, this is 
> in itself a bit confusing as RFC 952 introduces the restriction for hostnames
>  and domain names, and RFC 1123 only seems to lift the restriction for hostna
> mes)

	The need to support 3com lead to the change which was codified in
	RFC 1123.

> Anyway just curious
> 
> Joao
> _______________________________________________
> DNSOP mailing list
> DNSOP@ietf.org
> https://www.ietf.org/mailman/listinfo/dnsop
-- 
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: marka@isc.org

v2.23.0 | Report a Bug | By Email