Check Domain

Check Domain brings domain availability, WHOIS records, extension details, and registrar prices into one view. Users enter a brand idea or a complete domain, choose the top-level domain list to include, and see results as each registry responds. Availability is checked against each registry's RDAP service rather than inferred from DNS records, and the page states that final availability should be confirmed at registrar checkout. Registered names can show registrar, dates, nameservers, registry source, and public record details when available. Registration and renewal prices are shown side by side. The page states that searches require no account and that no search history is saved; it says searches are processed on demand without accounts, a database, or tracking cookies.

Key features

• Search multiple popular and newer domain extensions together
• Registry-backed availability checks using RDAP instead of DNS-only inference
• Results labeled as available, registered, for sale, or needing confirmation
• Public WHOIS and RDAP record review, including registrar, dates, nameservers, and registry source when available
• Registration and renewal prices shown together for comparison
• Use without creating an account or saving search history

Best suited for

• Finding available domain names for a brand idea
• Comparing the same name across multiple extensions
• Reviewing WHOIS records for registered domains
• Comparing registration and renewal costs before choosing a registrar

Pricing

Not stated on the website