WHOIS Lookup

Find domain registration details, ownership information, and nameserver records.

What is WHOIS and Why is it Useful?

WHOIS is a publicly accessible database that stores registration information about domain names and IP addresses. When someone registers a domain, they're required to provide contact details which are then stored in WHOIS records.

What Information Does WHOIS Reveal?

  • Registrant Information: The person or organization that owns the domain (may be privacy-protected)
  • Registration & Expiration Dates: When the domain was registered and when it expires
  • Registrar Details: The company where the domain was purchased (GoDaddy, Namecheap, etc.)
  • Nameservers: DNS servers that control the domain's records
  • Domain Status: Whether the domain is active, locked, or pending transfer

Common Uses for WHOIS Lookups

  • Domain Availability Research: Check if a domain is taken and when it might expire
  • Fraud Investigation: Verify the legitimacy of a website before making purchases or sharing personal information
  • Cybersecurity: Investigate suspicious emails or websites by tracing domain ownership
  • Business Intelligence: Research competitors or potential partners by examining their web presence
  • Intellectual Property: Identify who owns a domain that may infringe on your trademark
  • Contact Information: Find ways to reach a website owner for business or legal purposes

Understanding WHOIS Privacy

Many domain owners use WHOIS privacy protection (also called "Domain Privacy" or "Privacy Guard") to hide their personal contact information. Instead of showing the owner's real details, you'll see the privacy service's information.

This is completely legal and common for:

  • Personal websites and blogs
  • Small businesses wanting to reduce spam
  • Anyone concerned about their personal information being public

For more detailed IP-related information, try our IP Lookup tool or ASN Lookup for network ownership details.

Frequently Asked Questions

Is WHOIS lookup legal?
Yes, WHOIS data is publicly available by design. The WHOIS system was created to promote transparency and accountability on the internet. Using it to research domain information is completely legal.
Why can't I see the owner's real information?
The domain owner is likely using WHOIS privacy protection. This service replaces their personal details with the privacy provider's contact info to prevent spam and protect their identity.
What's the difference between WHOIS and IP Lookup?
WHOIS provides domain registration and ownership details, while IP Lookup shows the geographic location and network information for an IP address. Use both for comprehensive research.
How often is WHOIS data updated?
WHOIS records are updated whenever changes are made to the domain registration. However, there may be a brief delay (usually 24-48 hours) for changes to propagate across all WHOIS servers.