> Do providers like NextDNS or RethinkDNS allow these sorts of overrides
Not on the resolver, but on the Android client (Rethink DNS + Firewall) we do (if enabled) manipulate DNS answers to implement an opportunistic 464xlat (over Kasper Dupont's public relays [0]).
> Do providers like NextDNS or RethinkDNS allow these sorts of overrides
Not on the resolver, but on the Android client (Rethink DNS + Firewall) we do (if enabled) manipulate DNS answers to implement an opportunistic 464xlat (over Kasper Dupont's public relays [0]).
[0] https://github.com/celzero/firestack/blob/c10c155464e0d4a81a...