Domain Availability Checker

## How It Works This tool queries the RDAP (Registration Data Access Protocol) — the modern, standardized successor to WHOIS — to determine if a domain is available. - **Available**: No registration record found — you can register this domain - **Registered**: Shows the 도메인 등록기관 (레지스트라), creation date, and expiry date ## RDAP vs WHOIS RDAP provides structured JSON responses with better access control and internationalization support. It was mandated by ICANN in 2019 as the official replacement for WHOIS. ## Tips - Enter a full domain name including the TLD (e.g., `example.com`) - Try different TLDs — if `mybrand.com` is taken, check `mybrand.io` or `mybrand.dev` - Check the expiry date — expired domains may become available soon