RDAP Lookup

Get RDAP (Registration Data Access Protocol) information for domains.

RDAP Analysis Features

Professional RDAP lookup tools for modern domain registration data

RDAP Lookup

Modern domain registration data access protocol

RDAP
Enhanced Security

Improved security and privacy features over WHOIS

Security
International Support

Unicode support and internationalized domain names

International

Popular RDAP Lookup Providers

Access RDAP data from these 20 leading registry providers and RDAP services

RDAP Concepts Explained

Understanding RDAP (Registration Data Access Protocol) and its key concepts

RDAP vs WHOIS

RDAP provides structured JSON data with better security, privacy, and internationalization compared to traditional WHOIS.

Modern replacement for WHOIS protocol
Registry Operators

Organizations that manage domain registries and provide RDAP services for their TLDs and IP address blocks.

Examples: Verisign (.com), PIR (.org)
Bootstrap Services

Central directories that help locate the correct RDAP server for any given domain or IP address query.

IANA maintains the bootstrap directory