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Why Protective DNS?

The Domain Name System (DNS) is central to the operation of modern networks, translating human-readable domain names into machine-usable Internet Protocol (IP) addresses. DNS makes navigating to a website, sending an email, or making a secure shell connection easier and is a key component of the Internet’s resilience. As with many Internet protocols, DNS was not built to withstand abuse from bad actors intent on causing harm. “Protective DNS” (PDNS) is different from earlier security-related changes to DNS in that it is envisioned as a security service – not a protocol – that analyzes DNS queries and takes action to mitigate threats, leveraging the existing DNS protocol and architecture.

Protecting users’ DNS queries is a key defense because cyber threat actors use domain names across the network exploitation lifecycle: users frequently mistype domain names while attempting to navigate to a known-good website and unintentionally go to a malicious one instead.

To read more about DNS protection, click here.