Whois APIs and domain registries often block your IP if you make too many requests. Use our rotating and static proxies to scrape without limits.
View Proxy PricingThe WHOIS database is a publicly accessible list of domain names, their owners, and technical details. Our free Whois lookup tool helps you check if a domain is available, find out when a competitor's domain expires, or identify the registrar holding a specific website.
If you are building an application that needs to bulk-check domain availability or monitor expiration dates, you will quickly find that public Whois APIs aggressively rate-limit or block repeated requests from the same IP address.