Reverse Lookups

[Brad Knowles]

At 4:20 PM -0500 7/25/01, Dan Hammer wrote:

>  example... I use nslookup on 207.254.22.82 and it comes up with
>  the name dan.kdhtech.com which it should.  I however to go a
>  remote machine and attempt the lookup of that IP address and the
>  lookup fails.
>
>  What could I have set up incorrectly?

	You haven't registered with the owner of the network.  Witness:

% dig -x 207.254.22.84
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 56590
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;84.22.254.207.in-addr.arpa.    IN      PTR

;; AUTHORITY SECTION:
22.254.207.IN-ADDR.ARPA. 86400  IN      SOA 
22.254.207.IN-ADDR.ARPA. alan.digizip.com. 2001041903 10800 3600 
604800 86400

;; Query time: 178 msec
;; WHEN: Wed Jul 25 17:42:00 2001
;; MSG SIZE  rcvd: 119

-- 
Brad Knowles, <brad.knowles at skynet.be>

/*        efdtt.c  Author:  Charles M. Hannum <root at ihack.net>          */
/*       Represented as 1045 digit prime number by Phil Carmody         */
/*     Prime as DNS cname chain by Roy Arends and Walter Belgers        */
/*                                                                      */
/*     Usage is:  cat title-key scrambled.vob | efdtt >clear.vob        */
/*   where title-key = "153 2 8 105 225" or other similar 5-byte key    */

dig decss.friet.org|perl -ne'if(/^x/){s/[x.]//g;print pack(H124,$_)}'