Knowledge Base
Learn about domain registration data, protocols, and best practices
All
Getting Started
Domain Management
Technical Guides
Security & Privacy
Getting Started
5 minWhat is WHOIS and its History
Understanding the WHOIS protocol and its evolution over time
Domain Management
5 minUnderstanding Expired Domains
What happens when domains expire and where they end up for auction
Technical Guides
5 minUnderstanding RDAP
Everything you need to know about the Registration Data Access Protocol
Technical Guides
5 minWHOIS vs RDAP: A Comparison
Comparing the old and new protocols for domain registration data