DomainTools

DomainTools helps security analysts turn threat data into threat intelligence. Company takes indicators from your network, including domains and IPs, and connect them with nearly every active domain on the Internet. Those connections inform risk assessments, help profile attackers, guide online fraud investigations, and map cyber activity to attacker infrastructure. Fortune 1000 companies, global government agencies, and leading security solution vendors use the DomainTools platform as a critical ingredient in their threat investigation and mitigation work.
Source: https://www.linkedin.com/company/domaintools/about/