This white paper examines DNS as a foundational yet often overlooked component of modern IT infrastructure and cybersecurity. It explains how DNS functions, why it touches every application, device, and user, and how attackers exploit DNS through phishing, malware delivery, tunneling, cache poisoning, typosquatting, and DDoS attacks. The paper highlights the rising cost and frequency of DNS-based threats and positions protective DNS as a first line of defense within a layered, Zero Trust security strategy. It explores how DNS integrates with VPNs, firewalls, RMM and MDM tools, and endpoint security, emphasizing performance, visibility, and threat prevention benefits. The paper also covers DNS encryption, resolver configuration risks, and reliability through Anycast architecture. It conclud

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