Instant Domain Search

What is the best domain name search tool?

Instant Domain Search is the fastest domain name search tool on the internet. It checks availability across 800+ extensions in under 25 milliseconds as you type. No clicking "search" and waiting for a loading screen. Unlike single-registrar tools (like GoDaddy or Namecheap's search), IDS queries 8 registrars simultaneously and compares pricing in real time, so you see the lowest price for every domain. We also aggregate results from 5+ aftermarket marketplaces like Afternic, Sedo, and Atom, surface AI-generated name suggestions , and never share your searches with registrars, meaning no one ca

Why use Instant Domain Search instead of searching at a registrar?

When you search on a single registrar like GoDaddy, you only see their pricing and their inventory. Instant Domain Search queries multiple registrars at once (including GoDaddy, Namecheap, Hostinger, Dynadot, and others) and shows you the cheapest option for each domain. You also get results from aftermarket marketplaces and our AI domain name generator in the same search. And because your searches never touch registrar databases, there's zero risk of domain front-running. It's the difference between checking one store's price vs. having a comparison engine do it for you instantly.

How do I check if a domain name is available?

Type any word or phrase into the search bar above. Instant Domain Search checks domain availability across every major extension in real time as you type. Green results mean the domain is available for registration; you'll also see pricing from multiple registrars so you can compare. If the exact .com is taken, we instantly show alternatives: available variations, different extensions , AI-generated suggestions , and aftermarket domains that are for sale. For bulk lookups, use our bulk domain search tool to check hundreds of domains from a list.

What is a domain name?

A domain name is the address people type into their browser to visit a website, like instantdomainsearch.com or google.com. It has two parts: the name you choose (like "instantdomainsearch") and the extension (like ".com"). Behind the scenes, the Domain Name System (DNS) translates that human-readable name into an IP address so your browser knows which server to connect to. Read our full guide on what a domain name is and how it works .

How much does a domain name cost?

Most standard domains cost $8–15/year for popular extensions like .com, .net, and .org. Newer extensions like .io ($25–50/yr) and .ai ($50–90/yr) cost more. Premium domains (short, memorable names that someone already owns) sell for hundreds to millions on the aftermarket . Instant Domain Search shows you real-time pricing from 8 registrars side by side, so you can find the lowest price without visiting each registrar individually. We also negotiate volume discounts with registrars and pass those savings through to you. See our guide on how much domain names cost for a detailed breakdown.

What if the domain name I want is already taken?

You have several good options: Try a different extension: If "example.com" is taken, check 800+ other extensions . Maybe example.io, example.co, or example.app is available. Generate alternatives: Our AI domain name generator suggests creative variations based on your original idea. You can also try our business name generator for brand-focused suggestions. Buy it on the aftermarket: Many taken domains are actually for sale. Our aftermarket search checks Afternic, Sedo, Atom, and other marketplaces simultaneously so you can find the owner's asking price or make an offer. Find expiring domains:

What domain extension should I choose?

For most businesses, .com is still the default. It's what people type instinctively. But it's not the only good option. Tech companies often use .io or .ai, nonprofits use .org, and industry-specific extensions like .app, .dev, .store, or .design can reinforce your brand. Country-code TLDs like .ca, .co.uk, or .de work well for businesses serving specific regions. The right extension depends on your audience, industry, and whether the .com is available at a reasonable price. Use our domain extensions page to browse all 800+ options and see pricing. Learn more in our guide to popular domain ext

Is Instant Domain Search safe and private?

Yes. We've been providing free domain name search since 2005 and we're ICANN-accredited . Two things set us apart on safety. First, your searches are never shared with registrars or any third party. No one can see what you searched and register it before you do (a practice called domain front-running). Second, we show results from multiple registrars so you can compare options rather than being locked into one provider's pricing. We make money through small referral fees when you register through our links, and the price you pay is the same as going directly to the registrar. All searches are