About RDAP Whois Query
Modern RDAP query service for domains, IPs, and ASNs
RDAP Whois Query is a free, modern WHOIS lookup service built on the Registration Data Access Protocol (RDAP). We provide fast, reliable, and structured access to domain registration, IP allocation, and ASN information.
What We Offer
Modern RDAP Protocol
We use the latest RDAP standard, providing more reliable and structured data than traditional WHOIS.
Multi-Level Queries
Our system queries both registry and registrar servers to provide the most complete domain information available.
High Performance
Smart caching and optimized queries ensure fast response times for all lookups.
Free to Use
Completely free service with generous rate limits for all users.
Our Mission
We believe WHOIS information should be easily accessible to everyone. Our goal is to provide a modern, user-friendly interface to RDAP data that's accurate, fast, and respects privacy regulations.