Domaintoolbelt - WHOIS Lookup & Domain Search

Instant WHOIS lookup for 200+ TLDs with availability checking. Monitor domain expiry, nameservers, and registration in one click.

Your domain research toolkit, right in Chrome 🎯 Search, view full WHOIS, track lifecycle status, spot marketplace listings, and save favorites. All from your browser. 🔍 Instant search with type-ahead Type any domain and get availability across 200+ TLDs in real time. Suggests popular endings (.com, .org, .ai) as you type, and detects the site you're currently on. 📊 Full WHOIS, accurate data Registration and expiry dates, registrar, nameservers, and lock status. Includes correctly parsed expiry for tricky TLDs like .is (Iceland) and .ke (Kenya). Direct RDAP lookups for .me, .edu, .jp, .ru, .it, .ie, .dk, and .se mean fewer "no data" responses. 🏷️ Marketplace listing badge See whether a domain is listed for sale on Sedo, Afternic, Atom, Dynadot, Spaceship, or HugeDomains. Shows the asking price and a direct link to the listing page. 🔄 Lifecycle tracking Spot domains in grace period, redemption, or pending delete before they hit the open market. Useful for catching drops early. ⭐ Favorites and bulk actions Star domains you're tracking. Manage them, export the list, or open WHOIS on multiple at once. 🛒 Register direct, no markup If a domain is free, register it through GoDaddy, Spaceship, Namecheap, Porkbun, or Cloudflare in one click. No broker, no markup. ⚡ Fast and quiet First availability response in 50 to 200 ms via cache, then refreshes with live registrar data. Keyboard shortcut: Alt+Shift+D. Auto-refresh keeps data fresh. ✅ Built for - Domain investors hunting drops and cheap registrations - Developers researching project names - Founders checking brand availability - Marketers monitoring competitor domains Free, no sign-up, no account. start now!