Zscaler ZIA - DNS Control ZIA-DNS-CTRL - Cloud Security - DNS Filtering - Threat Protection - Policy-Based Access

Zscaler DNS Control (ZIA-DNS-CTRL) gives your organization powerful, cloud-delivered protection at the DNS layer, helping you stop threats before they reach users or devices. By enforcing security and access policies directly in DNS, you gain a simple, scalable way to block malicious domains, prevent data exfiltration, and keep users safe on and off the network.

Designed for modern, distributed enterprises, Zscaler DNS Control integrates seamlessly with Zscaler Internet Access (ZIA) to provide consistent, policy-based DNS security across all locations, users, and devices. It helps you reduce risk, simplify management, and improve visibility into DNS traffic without adding complexity to your environment.

Key benefits of Zscaler DNS Control and ZIA-DNS-CTRL

• Stop threats at the DNS layer - Automatically block access to known malicious, suspicious, or newly registered domains, reducing exposure to phishing, malware, ransomware, and command-and-control (C2) traffic.
• Protect users everywhere - Enforce DNS security policies consistently for remote workers, branch offices, and headquarters, with cloud-based protection that follows the user, not the network.
• Reduce attack surface - Limit access to risky or non-business domains, helping you control shadow IT, prevent data leaks, and minimize opportunities for attackers to exploit DNS.
• Gain deep visibility into DNS activity - Monitor and analyze DNS queries in real time to quickly identify suspicious behavior, compromised devices, and policy violations across your environment.
• Simplify security operations - Manage DNS policies centrally through ZIA, eliminating the need for complex on-prem DNS appliances and manual rule updates at each site.
• Support zero trust security - Combine DNS control with Zscaler Internet Access to enforce least-privilege access, ensuring users only reach trusted destinations aligned with business needs.

What Zscaler DNS Control and ZIA-DNS-CTRL help you achieve

• Stronger security posture - DNS-layer protection adds an essential security control that complements your secure web gateway, firewall, and endpoint defenses.
• Lower operational overhead - Cloud-native DNS security reduces hardware, maintenance, and manual configuration, freeing your team to focus on higher-value tasks.
• Consistent compliance and governance - Enforce corporate and regulatory policies globally, with auditable DNS controls and detailed reporting for security and compliance teams.
• Better user experience - Intelligent DNS routing and policy enforcement help keep users safe without slowing them down, enabling secure, reliable access to the internet and SaaS applications.

Why organizations choose Zscaler DNS Control

• Cloud-native architecture - Built on the Zscaler Zero Trust Exchange, DNS Control scales effortlessly as your business grows, without the limitations of traditional on-prem DNS security solutions.
• Integrated with ZIA - ZIA-DNS-CTRL works as part of your Zscaler Internet Access deployment, giving you unified policy management, logging, and reporting across web, DNS, and firewall controls.
• Rapid deployment and easy management - Quickly roll out DNS security across your organization with minimal disruption, and manage everything from a single, intuitive console.
• Continuous threat intelligence - Benefit from Zscaler's global threat intelligence, which continuously updates DNS policies to protect against emerging domains and evolving attacks.

Use cases for Zscaler DNS Control and ZIA-DNS-C