Whoisology - Connected database of whois records and whois history
Qrvey - Embedded Analytics built exclusively for SaaS applications.
Bulk Whois API - Bulk Whois API is a provider of parsed WHOIS data in JSON with simple API, competitive pricing, top notch support, and more.
AnswerRocket - AnswerRocket is a search-powered analytics that makes it possible to get answers from business data by asking natural language questions.
WhoisThisDomain - Domain name lookup tool that allows you to get information about domain registration from WHOIS server.
Syndigo - Syndigo is an online management platform that provides access to the world’s biggest global content database of digital information.