WHOIS Lookup
See the owner, registrar and dates of a domain, or details of an IP. Queried directly over port 43.
Frequently Asked Questions
What is WHOIS and what does it show?
WHOIS is the public domain-registration database: owner/registrant, registrar, registration and expiry dates, status and name servers. For an IP it shows the network and owning organization.
Are .ir domains supported?
Yes. The tool auto-detects: .ir domains are queried from IRNIC and international domains from their respective registry.
Why are some fields "redacted" or empty?
Many registrars hide the registrant's personal data for privacy (per GDPR), so the name or email may not be shown.
What is the difference between creation and expiry dates?
The creation date is when the domain was first registered, and the expiry date is when it is released if not renewed. Enable auto-renew for important domains.