Domainbase — instant domain name search across 250+ endings

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Live availability across 250 endings, as fast as you can type.

Everything your domains need

Search, watch, verify, and sell, all in one quiet place.

Type a name and availability streams in from registry data, with every ending checked as fast as you can type.

Keep an eye on names you want. We email you before they expire, and when a taken name might free up.

Verify the domains you own and show them off on your own @handle page.

Mark a verified domain for sale and collect offers from buyers right on your profile.

Every name gets its own page: live status, registrar, expiry, nameservers, and DNS, straight from registry data.

Point Claude, ChatGPT, or Cursor at the MCP server and search availability, manage your portfolio, and catch expirations without leaving the chat.