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Date: Thu, 11 Sep 1997 20:01:32 -0400 (EDT)
From: Patrick McConnell <patrick@interlog.com>
To: Tom Savage <tom@dhc.net>
cc: Brandon Gillespie <brandon@roguetrader.com>,
        Greg Stringfellow <greg@smokey.prismnet.com>, freebsd-isp@FreeBSD.ORG,
        freebsd-questions@FreeBSD.ORG
Subject: Re: BIND Question
In-Reply-To: <199709112242.RAA15773@dhc.net>
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I don't know about that - 

$ host highlandpark.k12.tx.us
highlandpark.k12.tx.us mail is handled (pri=0) by
HPISD_ADMIN.HIGHLANDPARK.K12.TX.US

and reverse lookups on this host (HPISD_ADMIN) seem to fail.


On Thu, 11 Sep 1997, Tom Savage wrote:

> Brandon, Greg:
> Your customer is probably trying to send a message to
> (hpisd_admin@highlandpark.k12.tx.us)  Highland Park ISD's url is 
> www.highlandpark.k12.tx.us
> Tom
> 
> ----------
> > From: Brandon Gillespie <brandon@roguetrader.com>
> > To: Greg Stringfellow <greg@smokey.prismnet.com>
> > Cc: freebsd-isp@FreeBSD.ORG; freebsd-questions@FreeBSD.ORG
> > Subject: Re: BIND Question
> > Date: Thursday, September 11, 1997 3:56 PM
> > 
> > On Thu, 11 Sep 1997, Greg Stringfellow wrote:
> > 
> > > Here is an interesting question, or at least to me right now.
> > > 
> > > I've got a customer who is trying to send mail to a particular
> location. The
> > > hostname is "HPISD_ADMIN.HIGHLANDPARK.K12.TX.US". I remember reading
> > > somewhere about the underscores in a hostname not being valid. But I
> just
> > > can't seem  to track it down.
> > 
> > You are right, underscores are not a valid part of a domain name, even
> > though old DNS servers would allow them (all that is valid is a-z0-9 and
> a
> > dash, I believe).
> > 
> > > Any ideas? Am I going crazy? Have I not read something that I should
> have
> > > from being too busy? All of the above?
> > 
> > I dont know why it is behaving as it does--I would suspect the reason its
> > NOT working is because of the underscore, and 'nslookup' isn't being as
> > pedantic about it as it should be.  Two suggestions:
> > 
> >   1) get them to fix their domain name
> >   2) use the raw ip addr, as given by nslookup
> > 
> > -Brandon Gillespie
> > 
> 


-- 
Patrick McConnell (patrick@interlog.com)

"640k ought to be enough for anybody."
			       -Bill Gates, 1981