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Date: Sat, 16 Dec 2000 14:23:27 -0800
From: "Crist J. Clark" <cjclark@reflexnet.net>
To: Arcady Genkin <antipode@thpoon.com>
Cc: freebsd-questions@FreeBSD.ORG
Subject: Re: aliases for hosts
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Reply-To: cjclark@alum.mit.edu
References: <87itokf9x3.fsf@tea.thpoon.com>
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In-Reply-To: <87itokf9x3.fsf@tea.thpoon.com>; from antipode@thpoon.com on Sat, Dec 16, 2000 at 02:22:48PM -0500
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On Sat, Dec 16, 2000 at 02:22:48PM -0500, Arcady Genkin wrote:
> /etc/hosts lets me define an alias to an IP address.
> 
> Is there any way to define an alias in such a way that DNS lookup
> *would* be performed, but only on an expanded name of the host?
> 
> For example, I'd like to alias `cdf.utoronto.ca' to `cdf', without
> having to enter its IP address (which can theoretically change) into
> /etc/hosts.

Are you saying you want your resolver to know to try,

  host.utoronto.ca

When you just enter,

  host

Add to your /etc/resolv.conf,

  search <other domains> utoronto.ca
  nameserver ...

That is, add the domain to your "search path." See resolv.conf(5) for
details. 
-- 
Crist J. Clark                           cjclark@alum.mit.edu


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