Data for security companies, researchers, and teams. Access to historical and current data via a fast, always-up API. The API is available at a simple price structure that allows you embed our data in your applications. All the data is available, fully-indexed, historical and current, and can be accessed immediately. Search over 3 billion historical and modern WHOIS data, and WHOIS changes. Our daily-updating database is over 203,000,000 deep and growing. Find out what tech sites are currently online and search for over a thousand technologies. Monthly access to more than 1 billion passive DNS data sets. You will have access to the most up-to-date information about IPs, domains and hostnames in real time. With tagged and index intel, searching is quick and easy. Access a treasure trove of cyber security information and find the information you need. Our API is able to provide security analysts and developers with the most up-to-date DNS and domain information.