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Domain Availability Checker

Check if a domain is available across .com and 100+ extensions in one search. Accurate, free, and no sign-up.

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Popular domain checks

Tap any idea to check it everywhere. Popular names go fast.

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An accurate domain availability checker

Many domain checkers only look at one source, so a registered domain can show as free. This domain availability checker asks the official registry for each extension, then double-checks the result with DNS, so the answer you see is the one you'll get at checkout. Type a name once and see .com, .io, .ai, .co and 100+ more extensions, grouped so you can compare them. Every available domain links straight to Namecheap with the name already filled in, and taken domains link to alternatives.

Domain Availability Checker FAQ

Quick answers to the most common questions.

Type the name without an extension and press Check. We check .com and 100+ other extensions at once and show which are available to register now.

Very. We ask the official registry (RDAP) for each extension, then confirm with DNS. A domain with live name servers is never shown as available.

It's rare, but some names are reserved or premium-priced by the registry. The registrar will show the premium price or say the name is reserved when you click through.

Yes. Bulk search compares several names side by side, including whether each .com is free.

Yes, completely free with no account needed. You only pay if you register a domain.

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How domain availability is checked

Every domain extension is run by a registry, and each registry publishes an official lookup service called RDAP. We query the right registry for each extension, then confirm the answer with a DNS lookup. If a domain has live name servers, it's registered, whatever else a lookup says. Checking both is what keeps false 'available' results off your screen.

Available, taken or premium

Available means you can register the domain today at the normal price. Taken means someone owns it, though it may be for sale on the aftermarket. Some available names are registry premium domains, often short or dictionary words, which cost more. Clicking through to Namecheap shows the exact price before you pay anything.

Checking many extensions at once

Checking one extension at a time is slow and hides good options. This checker runs your name across more than 100 extensions in grouped batches, so within seconds you can compare .com with .io, .ai, .co, .app and creative extensions like .studio or .shop, and pick the one that fits your project best.

What to do once you find one

Register it quickly, because good names go fast. Then check the same name on Instagram, TikTok and YouTube so your website and social handles match. If you're choosing between a few names, bulk search puts them side by side with their .com status.

Ready to find yours?

It's free, takes seconds, and checks everything at once.

Check availability