What is WHOIS?
WHOIS is a query and response protocol that is widely used for querying databases that store the registered users or assignees of an Internet resource, such as a domain name, an IP address block, or an autonomous system.
Information You Can Find:
- Domain registrar and registration dates
- Domain expiration and renewal information
- Name servers (DNS) information
- Domain status and availability
- Registrant contact information (if not privacy protected)
- Administrative and technical contacts
Common Use Cases:
- Verify domain ownership and registration details
- Check domain expiration dates
- Find contact information for domain administrators
- Research potential domain purchases
- Investigate suspicious websites or phishing attempts
- Troubleshoot DNS and domain configuration issues