WHOIS Lookup
Look up domain registrars, registration and expiration dates, status and raw WHOIS records.
CreditsAbout WHOIS Lookup
Inspect registry WHOIS text and recognized domain registration fields, including registrar, dates and status when provided. A registrar referral is also queried when the registry supplies one.
When to use this tool
- Investigate a domain registration or expiration date.
- Compare registry and registrar information during a transfer.
Limits to know before using it
WHOIS availability and field formats vary by registry. Missing data is not proof that a domain is available. IP and ASN queries are unsupported; try RDAP for structured domain data.
Data handling and cost
The submitted target and parameters are sent to the server for processing. Job inputs and results can be stored as part of the service workflow; the tool uses a session to associate jobs and credits with you. See the privacy policy for details.
Each successful run uses 1 credit. Guest trials depend on your available allowance; register or sign in when it runs out. Failed jobs follow the service refund rules.
Frequently Asked Questions
It queries WHOIS over TCP port 43, using IANA to discover the registry server, and shows the registry text plus one registrar referral when available. Recognized fields appear in a summary.
WHOIS formats vary. Some services restrict access, hide personal data or stop providing WHOIS. Try RDAP for structured data. No response does not mean a domain is unregistered.
Registered domain names, internationalized domains and URLs are accepted. A URL is reduced to its host; subdomains are not automatically changed to the registered domain. IP and ASN lookups are not supported.