The WHOIS directory is a public listing of domain names and the people or organizations associated with each name. There are many free online WHOIS directories. You can use the directory to find domain owners and IP addresses, as well as mailing addresses and telephone numbers.
For privacy, some domain name owners have their personal information hidden from the WHOIS directory, just as you might want your personal telephone number to be unlisted in a telephone book. Learn more about protecting your privacy in our post about 5 things to watch out for when buying a domain.
To find the domain name owner information, there are a few very simple and easy steps to follow by using the internet: To check the domain name registrant information simply visit the website such as www.whois.net