automate project structure

1 files changed, 38 insertions, 0 deletions

diff --git a/modules/dns.nix b/modules/dns.nix
new file mode 100644
index 0000000..0632fa9
--- /dev/null
+++ b/modules/dns.nix
@@ -0,0 +1,38 @@
+{ lib, ... }:
+let
+  inherit (lib)
+    mkDefault
+    ;
+
+  quad9 = [
+    "9.9.9.9#dns.quad9.net"
+    "149.112.112.112#dns.quad9.net"
+    "2620:fe::fe#dns.quad9.net"
+    "2620:fe::9#dns.quad9.net"
+  ];
+
+  cloudflare = [
+    "1.1.1.1#one.one.one.one"
+    "1.0.0.1#one.one.one.one"
+    "2606:4700:4700::1111#one.one.one.one"
+    "2606:4700:4700::1001#one.one.one.one"
+  ];
+in
+{
+
+  networking.nameservers = mkDefault quad9;
+
+  services.resolved = {
+    enable = true;
+    llmnr = "false";
+    dnssec = "false";
+    dnsovertls = mkDefault "opportunistic";
+    fallbackDns = quad9 ++ cloudflare;
+    extraConfig = ''
+      MulticastDNS=yes
+    '';
+  };
+
+  # Allow mDNS resolution
+  networking.firewall.allowedTCPPorts = [ 5353 ];
+}