The WhoisXML Bulk Whois API gives bulk access to 7.0+ billion WHOIS records for multiple lists of domains / IPs via a single REST API query. It covers both domains and subdomains across 2,864+ TLDs and ccTLDs. Developers can get key data points such as registrant name, organization, e-mail address, registration address, registrar information, creation date, expiration date, updated date, domain availability, and domain age. Information is well-parsed and normalized to a consistent format in both XML and JSON for easy integration.
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