DNS Settings
Use this section to configure DNS Private/Secure.
Compatibility
Delivery type: Single device, Group
Unique for profile: Yes
Unique for device: Yes
Application logic: Priority profile
Operative System: *
Management supported: * on iOS, Supervised on Android
Requirements: These settings will only affect iOS 14+ and Android 10+ devices. Android devices must be supervised.
On iOS is necessary to disable the iCloud Private Relay or uncheck "Allow iCloud Private Relay" restriction in order to make this setting working properly. Configuration on Apple User Enrollment need additional user's manual steps.
References
https://support.apple.com/guide/mdm/dns-settings-payload-settings-mdm86469ba99/1/web/1.0