By: Raymond Hackney
I came across a site while searching called Whoisology.
The home page defines it as:
Whoisologywho•is•ol•o•gy
/"hu:%IzAl@dZi/
Noun
- The comparative study of domain name whois records and their development.
- A searchable domain name whois / ownership database with nearly 150 million individual domain name record updated regularly.
- Awesome
The site is a pretty cool little site that if kept up to date will be a favorite of many domainers, especially those on a budget.
Whoisology allows you to see all the domains that someone owns (that they have the data for ) for free. Compare this with Domain Tools and the savings are off the chart.
Let's say you want to see what domains a company owns so that you can see if you have any in your portfolio that might be worth pitching. Just put in one name they own and get the results for everything Whoisology has on them.
Example - Google
When you check Domain Tools they have more domains from dns-admin@google.com than Whoisology has stored. 12,262 vs 8645. But Whoisology gives you the ability to look at all 8645 domains for free.
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Here is Whoisology
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The cool thing about Whoisology is that you can see domains by what name they start with, so if you wanted to see what kind of mobile names that start with the keyword mobile that Googled owned, you can just click M and not go through the whole list.
I will say on other searches there were registrant emails or names that Whoisology had as many results as Domain Tools. Some of the names were not updated, for example I checked a domain I sold, that was still showing under my whois on Whoisology but when I clicked over at Domain Tools the registrant was the person I sold the domain too.
The other cool thing about Whoisology is the ability to check which domains they have in their system by zip code or state or even phone number.
You may be looking for a list and someone has their names spread out, not just under one email, this way you can click the zip code and if that number is larger than the registrant email number you can just click that and see what names show, of course its a bit more work as you will see a list that you will have to click on each name individually. If its a large city this will be a lot of work and possibly unmanageable, but if its a small town it may give you more domains owned by the same entity using more than one email.
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So go over to Whoisology and check it out for yourself. I only found it last night so if you find some other cool stuff to with it, please leave a comment here.









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