services.unbound = {
enable = true;
settings = {
server = {
# When only using Unbound as DNS, make sure to replace 127.0.0.1 with your ip address
# When using Unbound in combination with pi-hole or Adguard, leave 127.0.0.1, and point Adguard to 127.0.0.1:PORT
interface = [ "127.0.0.1" ];
port = 5335;
access-control = [ "127.0.0.1 allow" ];
# Based on recommended settings in https://docs.pi-hole.net/guides/dns/unbound/#configure-unbound
harden-glue = true;
harden-dnssec-stripped = true;
use-caps-for-id = false;
prefetch = true;
edns-buffer-size = 1232;
# Custom settings
hide-identity = true;
hide-version = true;
};
forward-zone = [
# Example config with quad9
{
name = ".";
forward-addr = [
"9.9.9.9#dns.quad9.net"
"149.112.112.112#dns.quad9.net"
];
forward-tls-upstream = true; # Protected DNS
}
];
};
};