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>On Android, the NextDNS app registers itself as a VPN

It does this for macOS and iOS too, which has caused issues when both were trying to set the DNS on the machines.

This is particularly unlucky for macOS if you want to use a application-firewall like "Little Snitch" - since Apple removed kernelextensions on macOS (which LittleSnitch and others used before) they now have to also fake a VPN. Because of this, you cannot use a custom DNS and Little Snitch. [1]

[1]:https://github.com/AdguardTeam/AdGuardDNS/issues/214

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