WHOIS Lookup reveals domain registration data, including the owner’s name, email, registration date, and hosting details. While privacy-protected domains might hide some info, a WHOIS search still displays essential insights—like the domain registrar, creation date, or expiration timeline. It’s useful for verifying domain ownership, investigating cybersquatting, or contacting the administrator of a site. SEO professionals sometimes check WHOIS to confirm domain age or track competitor domain expansions. Overall, WHOIS data fosters transparency about who’s responsible for a domain, aiding accountability and validating the domain’s legitimacy.