Unified Root - Domain Configuration Issue

[Frank Bulk]

This issue of how applications and operating systems resolve single-word
TLDs and host names was discussed on NANOG some time ago:
http://www.mail-archive.com/nanog@nanog.org/msg03092.html

Regards,

Frank

-----Original Message-----
From: bind-users-bounces at lists.isc.org
[mailto:bind-users-bounces at lists.isc.org] On Behalf Of Chris Thompson
Sent: Monday, January 19, 2009 11:56 AM
To: Bind Users Mailing List
Subject: Re: Unified Root - Domain Configuration Issue

On Jan 19 2009, Joe Baptista wrote:

>So a little more testing using firefox as an application gives us some
>interesting results.  Using the .TM TLD I entered http://tm/ into my
>browsers.  It did not work.  Firefox replaced http://tm/ with
>http://www.tm.com/ - which is not the web site I wanted to reach.
>
>However - if we qualify the TLD by adding a "." to the end, i.e.
>http://tm./it does work under firefox and I get connected to the
>correct site.

This depends on the behavior of your local resolver, and probably
on how Firefox is configured as well. http://tm/ works fine for me.

>The same applies to ping.  If we just use TM we get this result:
>
>baptista at baptista-laptop:/tmp/test.temp$ ping tm
>ping: unknown host tm
>
>however if we add the "." to the end of TM - it works,

$ /usr/sbin/ping tm
tm is alive

(and yes, that really is 193.223.78.213 it is pinging, not a local
tm.[some-domain]).

>Like I said - not recommended - but it does work - sort of.

Why does this remind me of the chap whose vanity e-mail address was "s at tc"?
(Yes, that was the complete fully expanded address.)

--
Chris Thompson
Email: cet1 at cam.ac.uk

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