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|
{
config,
lib,
...
}:
let
inherit (lib) mkOption types mkIf;
cfg = config.nx.dns;
in
{
options.nx.dns = {
enable = mkOption {
description = "enable DNS-over-TLS using systemd-resolved";
type = types.bool;
default = false;
};
servers = mkOption {
description = "list of DNS-over-TLS servers to use";
type = types.listOf types.str;
default = [
"1.1.1.1#cloudflare-dns.com"
"1.0.0.1#cloudflare-dns.com"
"9.9.9.9#dns.quad9.net"
"149.112.112.112#dns.quad9.net"
];
};
fallbackServers = mkOption {
description = "fallback DNS servers";
type = types.listOf types.str;
default = [
"8.8.8.8#dns.google"
"8.8.4.4#dns.google"
];
};
};
config = mkIf cfg.enable {
services.resolved = {
enable = true;
dnssec = "true";
dnsovertls = "true";
domains = [ "~." ];
extraConfig = ''
DNSStubListener=yes
Cache=yes
'';
};
networking = {
nameservers = cfg.servers;
networkmanager.dns = lib.mkDefault "systemd-resolved";
};
systemd.services.systemd-resolved.environment = {
DNS = lib.concatStringsSep " " cfg.servers;
FallbackDNS = lib.concatStringsSep " " cfg.fallbackServers;
};
};
}
|