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Old 09-30-2009, 09:06 PM   #1
Dragnovich
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Registered: Sep 2009
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Talking Name Server Spy tool .. How to ?


Hello actually this is not a problem/question/bug/error/etc...

This is a matter of curiousity

There are been very popular, the "Name Server Spy" sites, where you give some functional Name Server, and get a list of all domains that NS has.

Two sites for example (to try your self):
http://www.gwebtools.com/ns-spy/
http://www.domaintools.com/ (you must creat an account here)

(Google NS Spy or name server spy, and find many others)

Then the question is...

IS there any Linux command/port, you can run to connect to the server NS (telnet session maybe), and get the info of the domains that are resolved by that server?

Some where, I read that a way to do this, is some how getting a list of all domains in the net, and simply run a query from those that accomplish the NS requested. But if so... then ... Is there a place/way to obtain that huge domain list? any way to connect to the root NS servers, and get that data?

And other ideas how to accomplish this?
 
Old 10-01-2009, 12:59 AM   #2
saravanants
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Registered: Jul 2009
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DNS Servers support wildcards in domain names. I think this can be administratively controlled. Anyway, maybe you can try to get the sub-domain names by issuing a query for example on: *.google.com.
 
Old 10-01-2009, 08:41 PM   #3
Dragnovich
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Registered: Sep 2009
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Talking

no I need to know ALL DOMAINS that are resolved by the DNS not their subdomains.

IE: the domain linuxquestions.org has this NS: MYDYNDNS.ORG

if you query that DNS: in those sites you will get:
http://www.gwebtools.com/ns-spy/ns1.mydyndns.org

that there are 74746 domains in that NS

How do they know? that... i try my own DNS and get almos all domains I got in there
 
  


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