You can make use of this Domain Lookup tool to check out information of a domain name. Domain name WHOIS info is generally public info and anyone can access it, This is done by querying a DNS (Domain Name System).
To lookup WHOIS info of a domain name:
Click Network Tools in your domain hosting account control panel.
Enter the domain name for checking WHOIS info in Enter a domain to lookup field.
Click Lookup to send the query.