Multiple PTR Records from One IP Address

[Barry Margolin]

In article <fq1t03$slk$1 at sf1.isc.org>,
 "Jeff Lightner" <jlightner at water.com> wrote:

> You're assumption being that all PTR records are for reverse lookups?
> 
> Our company has an overarching domain that is fairly elemental and we
> had multiple PTR records for forward lookups to make other domains
> aliases of this domain.  Of course the reverse was only tied to the
> primary domain but then again we weren't using the other domains for
> anything other than web sites.

This doesn't make any sense.  How do you use PTR records for forward 
lookups?  Can you give examples of what you were doing?

-- 
Barry Margolin, barmar at alum.mit.edu
Arlington, MA
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