I%26#039;m trying to obtain a list of web domains that share the same IP server -- for free.
Is there a service online or piece of freeware that will do this for me?
An example of what I%26#039;m trying to do is the reverse IP whois at DomainTools.com:
Check out: http://whois.domaintools.com/yahoo....
This site provides information on Yahoo.com.
The piece I%26#039;m most interested in duplicating for free is found under the %26quot;Domain Tools Exclusive%26quot; section called %26quot;Reverse IP.%26quot; On Yahoo%26#039;s profile, it is noted that 35 other sites share this IP. Click on the link brings you to a short list -- you have to subscribe to see the full list.
Is this information actually free for anyone to harvest -- who provides it, and how can I tap into it?
Again: Looking for free tools only.
Thanks in advance!
How do I find all web domains given the IP server host address?
There isn%26#039;t a reliable free way to do this for free.
What%26#039;s happening, as you suggest, is a reverse DNS lookup. You give an an IP, and it will give you every site registered to that IP.
Problem is, most domains are setup so that people looking for a DOMAIN (usually a web page) can have the system give them an IP so their computer can find it. I had a small server online for a while with one real IP address; should you have done a reverse lookup on that IP, it would have given you the main name for the server. The rest of the domains I setup for virtual hosting; I assigned them the same IP address as the main server and let the web server software figure out what page to hand over. I *never* registered the reverse lookup for those domains.
That said, the main free tool for looking them up is %26quot;nslookup.%26quot; For instance, type %26quot;nslookup %26lt;IP%26gt;%26quot; and it will give you the domain name; do the reverse, and it%26#039;ll give you the reverse.
Since what comes up depends on what has been registered in DNS for a reverse lookup, your mileage will seriously vary.
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