[80929] in North American Network Operators' Group
Re: Underscores in host names
daemon@ATHENA.MIT.EDU (william(at)elan.net)
Thu May 19 00:55:55 2005
Date: Wed, 18 May 2005 21:55:25 -0700 (PDT)
From: "william(at)elan.net" <william@elan.net>
To: "David A. Ulevitch" <davidu@everydns.net>
Cc: nanog@nanog.org
In-Reply-To: <1226.24.5.40.13.1116478035.davidu@everydns.net>
Errors-To: owner-nanog@merit.edu
On Wed, 18 May 2005, David A. Ulevitch wrote:
> .ws has an MX record.
> host -t mx ws. ==> mail.worldsite.ws
>
> Most MUA's (unix ones tended to work, not surprisingly) complain or break
> on "send" but technically it works. :)
Read 2.3.5 of RFC2821 and note that "A domain (or domain name) consists of
one or more dot-separated components"
So technically its not supposed to work, but not everyone is compliant
with standards...
--
William Leibzon
Elan Networks
william@elan.net
