No rate limiting
Check up to 10,000 domains at once
Premium domain data
Instant response
This tool checks if domain names are available with no rate-limiting and no max number of checks per day. You can look up one single word (and choose which TLDs to include via settings) or paste a list of domains at once. The form can process up to 10,000 domains at once. It pulls “Buy Now” prices from Namecheap, GoDaddy, and various registry operators whenever they’re available. The service works by combining client-side DNS lookups with the DomainduckAPI running on the backend. Results can be estimated or cached under high load. For more accurate results, please use the API instead.
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