Looks like the GrapheneOS community was the first to discover this issue. They investigated it alongside Mullvad and reported it to AOSP. More details here: https://github.com/GrapheneOS/os-issue-tracker/issues/3442
🚨 Heads up! There’s a DNS traffic leak on Android even with VPN on. Despite enabling “Always-on VPN” and “Block connections without VPN”, plaintext DNS traffic leaks outside the VPN tunnel.
https://www.ivpn.net/blog/dns-traffic-leak-outside-vpn-tunnel-on-android/
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