WHOIS is where information on a domain is kept and found.
The WHOIS record contains:
- The Registrar, who can change the domain records can be changed, for example contact information, and name servers (examples: GoDaddy, NameCheap Tocows)
- The Registrant, who owns the domain name
- Contact info for registrant, admin and tech (often use to authorize someone has authority to make changes related to the domain)
- Name servers for the domain, the name servers pointed to in this record are where changes to the DNS records are set (A, CNAME, MX...)
Dates for registration and expiration