Forward lookup zone

[Barry Margolin]

In article <c7oujl$17t2$1 at sf1.isc.org>,
 Jeff Stevens <jstevens at vnet.ibm.com> wrote:

> I have a customer that appears to have a Windows AD do DDNS inserts into 
> a forward lookup zone to show IP dotted decimal information, eg like below:
> 
> $ORIGIN 1.1.147.wheatland.COM.
> 10	900	IN	A	10.1.1.147	;Cl=2
> $ORIGIN 1.1.81.wheatland.COM.
> 10	900	IN	A	10.1.1.81	;Cl=2
> 
> These 1.1.147 subdomains are getting inserted by Windows AD, so I first 
> thought this was a misconfigured AD.  However, I've seen my home ISP in 
> NY do tricks like this, you ping an IP address and you get something 
> like 1.2.3.4.roc.roadrunner.com.  So, maybe this is what the AD is 
> doing?  Is there a proper description of this technique?
> 
> Thanks...

It looks like a simple way to provide hostnames without having to 
conjure up a complex naming convention -- just use the IP address as the 
hostname prefix, with the domain as the suffix.

-- 
Barry Margolin, barmar at alum.mit.edu
Arlington, MA
*** PLEASE post questions in newsgroups, not directly to me ***