Domainbase — instant domain name search across 250+ endingsDomainbase — instant domain name search
Live availability across 250 endings, as fast as you can type.
Everything your domains need<br>Search, watch, verify, and sell, all in one quiet place.<br>Instant live search<br>Type a name and availability streams in from registry data, with every ending checked as fast as you can type.
paper<br>paper.comTaken<br>paper.ioAvailable<br>paper.devLikely free
Watch any domain<br>Keep an eye on names you want. We email you before they expire, and when a taken name might free up.
paper.ioWatching<br>goodcoffee.shopWatching<br>paper.io expires in 14 days
Your public portfolio<br>Verify the domains you own and show them off on your own @handle page.
A@alex<br>paper.ioVerified<br>alexjames.comVerified
Sell when you're ready<br>Mark a verified domain for sale and collect offers from buyers right on your profile.
paper.ioFor sale<br>New inquiry · paper.io<br>“Hi! Is this domain still available to buy?”
Every domain, on one page<br>Every name gets its own page: live status, registrar, expiry, nameservers, and DNS, straight from registry data.
paper.comTaken<br>RegistrarNamecheap<br>Expires12 Mar 2027<br>DNSns1.cloudflare.com
Connect your AI assistantBeta<br>Point Claude, ChatGPT, or Cursor at the MCP server and search availability, manage your portfolio, and catch expirations without leaving the chat.
claude<br>> What's expiring this quarter?<br>⏺ list_expiring (2 results)<br>paper.io14 days<br>goodcoffee.shop52 days