[Tfug] Slightly OT regarding advanced "whois" searches...

[Zack Williams]

On Mon, Sep 3, 2012 at 10:58 PM, Jim March <1.jim.march at gmail.com> wrote:
> ...possibly at the Linux command line?
>
> I need to know which websites share the same hosts and/or technical contact
> names/phone numbers.  Basically I've got a line on some "bad guys" doing
> various websites and putting their own names in the whois data.  I need to
> find out how many other sites are involved.

What exactly do you have as input/want as output?

If you have IP addresses, you can do a reverse DNS lookup and get the
one reverse DNS entry, but that won't tell you all the forward lookups
that resolve to that IP.   If the latter is what you're looking for,
you're probably out of luck.

- Zack