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List of all websites using the same ip address

Posted on 2004-04-22
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Hi!

Is there a way to find all websites registered with a specific ip address?

Thanks!
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Question by:Hermund
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by:sunnycoder
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Hi Hermund,

The technique is called reverse DNS lookup
http://remote.12dt.com/rns/
http://www2.hunter.com/~skh/scripts/dnslookup.html
http://www.dnsstuff.com/
This will give you the hostname for the given IP address

This hostname can however host multiple sites as virtual hosts .... Getting all DNS records pointing to that particular IP address, Now I do not think that there is an easy way to do that ... But For all sites hosted on this host, it is quite possible that all the relevant DNS records are held at the same DNS server in its zone ... This I believe should be possible to get ... Its been too long since I read DNS stuff so I am not very sure ...

May be you will have better luck if you posted this in networking TA

Sunnycoder
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by:Hermund
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Thanks but that was not quite what I was looking for.

I want to know what host names are handled by a web server of a certain IP address. For instance, the domains www.domain1.com and www.domain2.com could be located ont he same webserver via the IP address 007.007.123.123, but how can I get a list of all the host names handled by this specific webserver?
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sunnycoder earned 500 total points
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As I said, it is not quite easy and you need to get all DNS records from that zone's name server ... this is also called zone transfer ... A server can be configured NOT to allow zone transfer (for security reasons) and most zones are configured so ...

For the zones that do allow zone transfers, task is somewhat simplified ...

Here is an example of the site that allows zone transfer
http://www.dollardns.net/cgi-bin/dnscrawler/index.pl?server=ns1.dollardns.net&name=dollardns.net&type=AXFR&submit=DS
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