Strange one-word DNS name

[Alexander Ottl]

Obi Wan wrote:
> 
> I've recently encountered a couple of VERY strange DNS entries, and am
> curious if anyone knows what the deal is with these.  Do an nslookup on
> 3506561497 and 1047530039.
> 
> 
> Name:    vip3.intl.geocities.yahoo.com
> Address:  209.1.225.217
> 
> - and -
> 1047530039
> Name:    dialpool1-55.dial.tijd.com
> Address:  62.112.10.55
> 
> Maybe I'm just a newbie to DNS, but I'm really confused as to how these
> can be valid DNS names with no dots in them?!?
> 
> Please respond via email if you know the explanation.
> 
> - Obiwan

These aren't DNS names. These are decimal numbers which can represent a
32-bit IP address just as well as the more familiar dotted quad
notation. So "nslookup 1047530039" is equivalent to "nslookup
62.112.10.55"
-- 
Alexander Ottl
Media Professionals AG           Tel.: +49 (89) 51554-169
Bayerstrasse 21                  Fax : +49 (89) 51554-199
D-80335 Muenchen - Germany       http://www.media-professionals.de