Check domain registration details and availability with Whois.com, which also sells domain names and hosting.
Paid
24 alternativesInstantDomain
Search domain names and check availability across more than 800 extensions with InstantDomain.
About InstantDomain
InstantDomain checks domain name availability across more than 800 extensions as you type, showing whether a name is available, taken, or listed as premium. Results include pricing and popularity information and link to external registrars, including GoDaddy, Network Solutions, Domain.com, and Hostinger, for purchase.
The site also offers an AI domain and business name generator, bulk search with CSV import and export, premium marketplace listings from sources including Afternic, Sedo, and Atom, and research tools such as WHOIS lookup, US trademark search, domain value estimates, social handle checks, and brandability scores.
Key features
- Check availability across 800+ extensions as you type
- Generate domain and business name ideas with AI
- Check hundreds of domains at once with CSV import
- Browse premium listings from Afternic, Sedo, and Atom
- Look up WHOIS ownership, age, expiry, and registrar
- Search US trademarks by name, owner, or class
Best for: People comparing domain options for a new website, business, or project.
Good for
- Shows available, taken, and premium status using live registry data
- Supports single-name checks and bulk checks with export
- Combines WHOIS, trademark, value, and social handle research
InstantDomain at a glance
- Website
- instantdomainsearch.com
- Category
- Development › Domain, IP & DNS Lookup
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
InstantDomain alternatives
Tools and sites you could use instead, ranked by how closely they match.
DomainTyper searches for available domain names across extensions as users type.
IWantMyName registers domain names across more than 500 extensions and offers related plugins.
DomainTools provides WHOIS lookups, domain availability searches, IP history, traffic data, and other domain research information.
PyFunceble checks whether domains, IP addresses, and URLs are available or syntactically valid.
Domainr searches domain names and provides an API covering top-level domains.
Popular in Domain, IP & DNS Lookup
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InstantDomain FAQ
How can I tell if a domain is available?
The checker queries live registry data across 800+ extensions and marks names as available, taken, or premium as you type.
Can I check multiple domains at once?
Yes. Bulk search accepts a pasted list, supports CSV import, and allows exporting the results.
Where do I register a domain I find?
Each result links to registrars that carry the name, including GoDaddy, Network Solutions, Domain.com, and Hostinger.
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