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Date: Mon, 13 Mar 2000 07:50:10 -0500 (EST)
From: Steve Hovey <shovey@buffnet.net>
To: Matthew Joseff <mjoseff@hellenco.com>
Cc: FreeBSD Questions List <freebsd-questions@FreeBSD.ORG>
Subject: Re: CNAME vs A records (clarification)
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A cname is an alias for another box and takes 2 lookups (first to get that
its a cname, second to get the IP of the actual name)  - where an A record
appears like a direct name to IP.  So to avoid confusion at a firewall - A
records would have in-addr.arpa.

On Sun, 12 Mar 2000, Matthew Joseff wrote:

> Can someone correct and/or confirm my understanding of CNAME vs A records:
> 
> CNAME should be used for a host that exists on (potentially) another
> server but uses that domain.
> 
> A records should be used as an alias for a host but co-exists with other
> hosts.
> 
> So:
> 
> www	IN	A	(IP address)
> foo	IN	A	(same IP as www)
> bar	IN	CNAME	(some other IP or hostname)
> etc	IN	A	(bar's hostname)
> 
> So in this case, bar should be the only one out of the four that has a
> reverse entry?
> 
> I think I'm confusing myself.
> 
> -- 
> Matthew Joseff       	|   #!/bin/sh
> www.hellenco.com     	|    echo "What's your username again?"
> mjoseff@hellenco.com 	|    read LUSER
> 		     	|    rm -rf /home/$LUSER
> 
> 
> 
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