WHOIS API

WHOIS Domain Lookup

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About Our WHOIS Lookup Tool

CheckWhois.org provides a fast, accurate and free WHOIS domain lookup tool. Simply enter any domain name to get full domain registration info including registrar details, creation date, expiry, name servers and more.

This tool is ideal for web developers, domain investors, and digital marketers. Powered by CheckWhois.org, it also offers a free WHOIS API for developers and business applications.

What is WHOIS Lookup?

WHOIS Lookup is a free tool that allows users to find out information about domain names — such as the domain owner's name, registrar, registration date, expiry, name servers, and more. This data helps with domain verification, brand protection, and online transparency.

Why Use CheckWhois.org?

✅ Free and instant domain WHOIS results
✅ No login or CAPTCHA required
✅ Developer-friendly WHOIS API
✅ Clean, responsive interface
✅ Sponsored by trusted host TextraHost

FAQ

Q: Can I use the WHOIS API for free?
A: Yes! Our WHOIS API is 100% free and publicly accessible via CheckWhois.org. Visit the CheckWhois Developer Portal to learn more.

Q: Can I register a domain if it's available?
A: Yes! If a domain is available, we provide a "Buy Now" button linking directly to TextraHost to register it instantly.