Who.is
Instantly look up registration data for any domain or IP address
Who.is is a web-based lookup tool that provides comprehensive WHOIS and RDAP data for domain names and IP addresses. Users can search for registration details, contact information, nameservers, DNS records, and domain availability. It also offers historical data and related domain exploration.
Users enter a domain name or IP address and the tool queries WHOIS and RDAP databases to return structured registration and DNS information.
developers, sysadmins, and anyone needing domain or IP registration information
Background.
- Status
- launched
- Business model
- free
Contact
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