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Resolve IP to ALL domains registered

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As you know, one IP address can carry many domains on its back. How do I get a list of all possible domains registered to a single IP?

27 replies

by oz_media

Well... a good question!

I spoke to a friend who is an engineer for a busienss ISP here on the island. He said "not that I know of, I'll ask around but I doubt it."

Obviously this would be a specific security measure to create invisible domains.

So unles si hear otherwise, I have never heard of it, and neither has a local ISP, but as i say, they focus on business security so perhaps they configure differently than another residential provider would.

by oz_media

Sure, Max finds TWO right away.

I don't think parked domains would work though and the other I suspect just lists domains on the NT server it resides on.

I don't run a server that would like that script, so I can't test it on an IP I had in mind that I know has several attached to the same address, two being supposedly hidden.

by cactus pete

Allow me to expand...

As a "for isntance", there is an IP address that someone in my firm is visiting. Let's call this address 69.28.158.82 ...

nslookup for this IP shows cdn-69-28-158-82.iad.llnw.net

But that is not what the user is typing that directs them to this IP address. If I knew what the user was typing (something like www.mediasite.com) I'd be able to figure out who was going there and also determine if it was business related or not.

But This I haven't been able to do yet. It's not AD related, it's not a hidden domain - it's a virtual domain, quite different.

Please keep them coming!

by cactus pete

So far, nothing quite does it - I wonder if it's possible since different registrars can all point to the same IP with different names... Please keep them coming.

Max, the domain lookup doesn't quite work for me... I only have the IP, I'm looking for the domains. Let me know if you got different results.

Dig doesn't do it, either.

by maxwell edison

What about using a third-party software, such as Whois Web Professional 4.2.

Whois Web Professional is a Windows-based application that runs queries of whois servers to obtain ownership information of Internet domain names and IP addresses.

One of the key features is:

Integrates into Microsoft Internet Explorer to make it simple to ?whois? any domain you are visiting.

http://www.rietta.com/whoisweb/

For only $25, it might be a viable option.

by oz_media

Are you seeking a WHOIS for just ONE domain name? Like a complete URl, or do you wish to search an IP for all attached domain names?

THe latter can't be done from what i am told. O whis is just provides primary registration info, which can be extremely inaccurate at best.

I am still attached ot several Whois searches where I am no longer related to the owner in any way, even after they repeatedly asked for changes, when resubscibing to the domain name, some were changed right away, soem remain unchanged.

Also, a clinet that changed it's primary domain is still showing it's former domain, 2 years later, again after resubscribing.

Whois searches, to me, are just not worth the keystrokes.

by oz_media

If you are just going to test Whois Web Pro 4.2 for private use and if it works cough up the dough, go for a keygen. If it works, buy it. You can never trust a sales rep these days, may as well see for yourself fist.

AstalaVista has a bunch. shhhhhh. :p

by cactus pete

No need. It was a one man dev shop. Got the guy off hours and asked for a sample - he was at least nice about it.

by cactus pete

Max, thanks again.

I'm looking into this software you suggested. The feature I need is disabled in the trial version - of course. So I guess I'll haveto call them to check it out. Maybe I'll just split with my $25 and get it to try it...

All of my servers run off of the same IP, too, so I understand how it's done... :)

by cactus pete

One IP address to all domains.

Max's product might do it - but I've asked them to provide me sith a sample before I spend the dough.

by curlergirl

Try doing this: go to www.dnsstuff.com and use the IP WHOIS look up on that page. This will give you the registered owner of the domain that owns that IP. Then, you can look up that registered owner and find out what other domain names they own. You might have to look in a number of different places, depending on where they've registered, but at least it would get you started.

Hope this helps!

by cactus pete

The registered owner of an IP, say, a hosting site, won't have nearly all of the domains under their name. But yes, it is a start.

by cactus pete

Well, Max's software didn't pan out - it was just a whois lookup - the author admitted to that himself. He suggested I use nslookup. Very helpful.

I'll close this and get on with life...

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