WHOIS Lookup

What Is WHOIS?

WHOIS (pronounced "who is") is a publicly accessible database that contains registration information for domain names. When someone registers a domain, their contact information and registration details are stored in WHOIS records maintained by domain registrars and registry operators. This information helps identify who owns a domain and how to contact them.

WHOIS data typically includes the domain registrant's name and organization, contact email addresses, the registrar through which the domain was registered, registration and expiration dates, nameserver information, and domain status codes. While privacy protection services can mask personal details, the technical registration information remains accessible for most domains.

Using WHOIS Lookup

Our WHOIS lookup tool queries official WHOIS databases to retrieve current registration information for any domain. This is useful for:

• Domain Research: Investigate who owns a website or domain you're interested in
• Contact Information: Find ways to contact a domain owner for business inquiries
• Dispute Resolution: Identify ownership for trademark or copyright issues
• Due Diligence: Verify domain ownership before business transactions
• Technical Troubleshooting: Find nameserver and DNS information

Common Use Cases

WHOIS lookups are commonly used by SEO professionals analyzing competitor domains, businesses investigating potential partnerships, legal teams researching domain ownership for disputes, cybersecurity teams investigating suspicious websites, and domain investors evaluating acquisition targets. The registration history can reveal important patterns about how a domain has been used over time.

For checking domain age and calculating how long a domain has been registered, use our Domain Age Checker tool, which provides detailed age calculations along with WHOIS information.

Difference Between WHOIS Lookup and Domain Age Checker

While both tools access WHOIS data, they serve different purposes. WHOIS Lookup focuses on finding domain ownership details, registrar information, and contact data—ideal for researching who owns a website or resolving domain disputes. Domain Age Checker calculates exactly how old a domain is in years, months, and days—perfect for SEO analysis and evaluating domain authority based on registration history. Use WHOIS Lookup when you need contact or registrar details; use Domain Age Checker when you need precise age calculations.