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WhoisXML API

Read 34 WhoisXML API reviews and testimonials from customers, explore 50 case studies and customer success stories, and watch customer videos to see why companies chose WhoisXML API as their Cyber Threat Intelligence

WhoisXML API offer a vast selection of domain/IP/DNS data feeds, APIs, research and monitoring web tools and cyber threat intelligence. Their coverage includes 15.6+ billion historical WHOIS records across 7298+ TLDs and ccTLDs, 4.2+ billion domains and subdomains, 12.9+ million IP netblocks, 99.5% of IPs in use, and 20.7+ billion historic DNS lookups gathered from over a decade of data aggregation.

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4.8/5.0 (1161)

34Testimonials

  • "We have worked with WhoisXML API to input domain and DNS data into several research automation projects. We mainly use their feeds to boost our ability to see how domain …

    Global Investment Management Company Market Researcher and Analyst

  • "WhoisXML API's passive DNS database, even the lite version for academic purposes, has much better subdomain data coverage compared with other commercial and free databases."

    Shahnoor Kiani Volunteer

  • "WhoisXML API's database consists of 23.8B+ WHOIS records and has indexed historical WHOIS records over a long period, making their solution one of the best in the market in my …

    Valdemar Balle Founder, Open-source Intelligence Specialist
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50 Case Studies

  • WHOIS Data Provides Context to Academic Research on ML-Powered Domain Blocking

  • Georgia Institute of Technology & WhoisXML API Early Threat Detection

  • WHOIS Data Aids Lighthouse Reports Shed Light on Years-Long Surveillance Operations

    Jonathan Zhang Chief Executive Officer
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Additional WhoisXML API Information & Resources

Read WhoisXML API Reviews, Testimonials & Customer References from 34 real WhoisXML API customers.

Browse WhoisXML API Case Studies, Customer Success Stories, & Customer References from 50 businesses that use WhoisXML API.

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