Are Zscaler DNS resolvers built upon open source DNS server technology?

The assertion that Zscaler DNS resolvers are built upon open source DNS server technology is accurate. Zscaler leverages open-source DNS software, as it allows for customization and enhancement to meet specific needs, while ensuring performance, security, and scalability in a cloud-based environment. Open-source technology provides the flexibility to adapt to varied requirements and contribute to a more robust and efficient DNS infrastructure.

This choice reflects how Zscaler implements innovation and continuous improvement, enabling better functionality and integration within their suite of services. The use of open-source components can also facilitate community collaboration and drive advancements in DNS technology.