WHOIS Lookup is a free online developer tool to look up for the ownership and registration info of a given domain name as known as WHOIS data.
Enter a domain name you'd like to look up for the WHOIS info, and then click the look up button. If the domain name is registered, the WHOIS info will be displayed accordingly.
The WHOIS info of a domain name consists of the registrar, creation date, expiration date, ownership info, such as name, phone number, and address, DNS servers, and more.
Please note that the WHOIS info of a domain name that is privacy protected is not accurate as the real ownership info of such a domain name is not publicly accessible.