DomainTools
About DomainTools
DomainTools provides DNS-based threat intelligence covering 97% of internet infrastructure, enabling security teams to detect, investigate, and block malicious domains. The company maintains the world's largest database of domain, DNS, and WHOIS data, supporting threat hunting, incident response, and brand protection use cases. Its Iris platform delivers connected infrastructure analysis for faster investigations. Founded in 2004, DomainTools is headquartered in Seattle, Washington.
Why Notable
s largest WHOIS/DNS database; 20+ years historical data; Iris investigation platform
