The Domain Name System (DNS) can be a valuable tool for stopping attacks and preventing attacks from happening.Whenever a new domain name is registered, that information is stored in DNS.DNS footprints are visible, if you know what to look for—five of the seven steps in the Cyber Kill Chain use DNS in one way or another.DNS can be used proactively to find suspicious domains before they are active and before they are seen in a network during an attack.DNS-powered investigations can find clusters of domains all at once.DNS matters for everyone and can be used to stop attacks on individuals or enterprises.Governments around the world are exploring options to provide protective DNS to their citizens.Infoblox Threat Intel uses DNS to find and track suspicious domains and Traffic Distribution Systems (TDSs).DNS complements other security tools but also provides the opportunity to stop attacks before they ever begin.The power, simplicity, and pervasiveness of DNS makes it a tool that can improve security for everyone.