DeveloperTool

Whois / RDAP

Look up domain or IP registration data using Whois / RDAP protocol

Whois / RDAP

Query domain and IP registration data using the modern RDAP protocol and traditional Whois. Find out who owns a domain, when it was registered, when it expires, and which registrar manages it. This tool is useful for security researchers investigating suspicious domains, businesses checking domain availability, and network administrators verifying IP allocation details.