Searching for a similar domain name is not an easy task. You can take similarity in different ways. Our way to discover similar websites is based on easy task to find the same titles, using the same keywords in website title. That's the easier part. But, what is similarity is given by the same website owner, the same technical information, that is 100% same for two websites, with completely different domain name, different website title and even content? What if similarity is meant to be as a number of websites, that are being hostes on the same IP address for a year without change?
In 2016, nothing is same like 15 years before. In days of CDN networks, virtual private servers, and cloud based hosting, no website is hosted for a life on the same IP address. That's why more technical knowledge comes to play, since everything is relative - your website is not hosted on the same IP network, since if you are using Amazon Services for Web, your website may be spread across tens of physical web servers. Easily said, nowadays it's harder to say, who is the right neighbor of your website, and which website has similar technical information, so you are able to say which websites are almost identical. By using our historical records about web hosting, IP addresses and DNS settings, we try hard to uncover similar website even in these days.
Our principles also take domain WHOIS information as an additional piece of information, when we connect different websites into the same pieces. By uncovering WHOIS records, we can see (when it's not privately registered) real owners behind the real websites, including physical location of owners, technical registrars and much more. If you need to check domain owner of any of 400 TLD's, you are in the rigth place.