flake.lock

@@ -59,27 +59,6 @@
         "type": "github"
       }
     },
-    "dns": {
-      "inputs": {
-        "flake-utils": "flake-utils",
-        "nixpkgs": [
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1768143854,
-        "narHash": "sha256-E5/kyPz4zAZn/lZdvqlF83jMgCWNxmqYjjWuadngCbk=",
-        "owner": "kirelagin",
-        "repo": "dns.nix",
-        "rev": "a97cf4156e9f044fe4bed5be531061000dfabb07",
-        "type": "github"
-      },
-      "original": {
-        "owner": "kirelagin",
-        "repo": "dns.nix",
-        "type": "github"
-      }
-    },
     "firefox-addons": {
       "inputs": {
         "nixpkgs": [
@@ -157,21 +136,6 @@
         "type": "github"
       }
     },
-    "flake-utils": {
-      "locked": {
-        "lastModified": 1614513358,
-        "narHash": "sha256-LakhOx3S1dRjnh0b5Dg3mbZyH0ToC9I8Y2wKSkBaTzU=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "5466c5bbece17adaab2d82fae80b46e807611bf3",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
-    },
     "home-manager": {
       "inputs": {
         "nixpkgs": [
@@ -349,7 +313,6 @@
         "betterfox": "betterfox",
         "comin": "comin",
         "disko": "disko",
-        "dns": "dns",
         "firefox-addons": "firefox-addons",
         "flake-parts": "flake-parts",
         "home-manager": "home-manager",

flake.nix

@@ -57,11 +57,6 @@
       inputs.nixpkgs.follows = "nixpkgs";
     };
 
-    dns = {
-      url = "github:kirelagin/dns.nix";
-      inputs.nixpkgs.follows = "nixpkgs";
-    };
-
     radicale-birthday-calendar = {
       url = "github:iBigQ/radicale-birthday-calendar";
       flake = false;

hosts/vps-ns/default.nix

@@ -20,15 +20,6 @@
       };
     };
 
-    services.nameservers = {
-      overlay.enable = true;
-      public = {
-        enable = true;
-        zones = [
-          "sprouted.cloud"
-          "sstork.dev"
-        ];
-      };
-    };
+    services.nameservers.overlay.enable = true;
   };
 }

hosts/vps-public/default.nix

@@ -21,14 +21,6 @@
         };
       };
 
-      services.nameservers.public = {
-        enable = true;
-        zones = [
-          "sprouted.cloud"
-          "sstork.dev"
-        ];
-      };
-
       web-services =
         let
           sstorkDomain = "sstork.dev";

modules/nixos/services/nameservers/overlay.nix

@@ -1,6 +1,5 @@
 {
   config,
-  inputs,
   self,
   lib,
   allHosts,
@@ -9,36 +8,23 @@
 let
   cfg = config.custom.services.nameservers.overlay;
   netCfg = config.custom.networking;
+in
+{
+  options.custom.services.nameservers.overlay.enable = lib.mkEnableOption "";
 
-  zoneData = inputs.dns.lib.toString netCfg.overlay.domain {
-    SOA = {
-      nameServer = "${netCfg.overlay.fqdn}.";
-      adminEmail = "hostmaster@sstork.dev";
-      serial = 1;
-    };
+  config = lib.mkIf cfg.enable {
+    services = {
+      unbound = {
+        enable = true;
 
-    NS =
-      allHosts
-      |> lib.attrValues
-      |> lib.filter (host: host.config.custom.services.nameservers.overlay.enable)
-      |> lib.map (host: "${host.config.custom.networking.overlay.fqdn}.");
+        settings.server = {
+          interface = [ netCfg.overlay.interface ];
+          access-control = [ "${toString netCfg.overlay.networkCidr} allow" ];
 
-    subdomains =
+          local-zone = "\"${netCfg.overlay.domain}.\" static";
+          local-data =
             let
-        mkSubdomain =
-          { name, address }:
-          {
-            inherit name;
-            value.A = [ address ];
-          };
-
-        nodeRecords =
-          netCfg.nodes
-          |> lib.map (node: {
-            name = node.hostName;
-            inherit (node.overlay) address;
-          });
-
+              nodeRecords = netCfg.nodes |> lib.map (node: "\"${node.overlay.fqdn}. A ${node.overlay.address}\"");
               serviceRecords =
                 allHosts
                 |> lib.attrValues
@@ -48,24 +34,11 @@ let
                   |> lib.attrValues
                   |> lib.map (vHost: vHost.domain)
                   |> lib.filter (domain: self.lib.isPrivateDomain domain)
-            |> lib.map (domain: {
-              name = domain |> lib.removeSuffix ".${netCfg.overlay.domain}";
-              inherit (host.config.custom.networking.overlay) address;
-            })
+                  |> lib.map (domain: "\"${domain}. A ${host.config.custom.networking.overlay.address}\"")
                 );
             in
-      (nodeRecords ++ serviceRecords) |> lib.map mkSubdomain |> lib.listToAttrs;
+            nodeRecords ++ serviceRecords;
         };
-in
-{
-  options.custom.services.nameservers.overlay.enable = lib.mkEnableOption "";
-
-  config = lib.mkIf cfg.enable {
-    services = {
-      nsd = {
-        enable = true;
-        interfaces = [ netCfg.overlay.interface ];
-        zones.${netCfg.overlay.domain}.data = zoneData;
       };
 
       nebula.networks.mesh.firewall.inbound = lib.singleton {
@@ -75,7 +48,7 @@ in
       };
     };
 
-    systemd.services.nsd = {
+    systemd.services.unbound = {
       requires = [ netCfg.overlay.systemdUnit ];
       after = [ netCfg.overlay.systemdUnit ];
     };

modules/nixos/services/nameservers/public.nix

@@ -1,88 +0,0 @@
-{
-  config,
-  inputs,
-  lib,
-  allHosts,
-  ...
-}:
-let
-  cfg = config.custom.services.nameservers.public;
-  netCfg = config.custom.networking;
-
-  zoneData =
-    zone:
-    let
-      mkSubdomain =
-        { name, address }:
-        {
-          inherit name;
-          value.A = [ address ];
-        };
-
-      serviceRecords =
-        allHosts
-        |> lib.attrValues
-        |> lib.concatMap (
-          host:
-          host.config.custom.services.caddy.virtualHosts
-          |> lib.attrValues
-          |> lib.map (vHost: vHost.domain)
-          |> lib.filter (domain: domain |> lib.hasSuffix "${zone}")
-          |> lib.map (domain: domain |> lib.removeSuffix ".${zone}" |> lib.removeSuffix "${zone}") # In case the domain is the root domain
-          |> lib.map (name: {
-            inherit name;
-            inherit (host.config.custom.networking.underlay) address;
-          })
-        );
-
-      nsRecords =
-        allHosts
-        |> lib.attrValues
-        |> lib.filter (host: host.config.custom.services.nameservers.public.enable)
-        |> lib.map (host: {
-          name = host.config.custom.networking.hostName;
-          inherit (host.config.custom.networking.underlay) address;
-        });
-    in
-    inputs.dns.lib.toString zone {
-      SOA = {
-        nameServer = "${netCfg.hostName}.${zone}.";
-        adminEmail = "hostmaster@sstork.dev";
-        serial = 1;
-      };
-
-      NS = nsRecords |> lib.map ({ name, ... }: "${name}.${zone}.");
-
-      A = serviceRecords |> lib.filter ({ name, ... }: name == "") |> lib.map (record: record.address);
-
-      subdomains =
-        serviceRecords
-        |> lib.filter ({ name, ... }: name != "")
-        |> (subRecords: nsRecords ++ subRecords)
-        |> lib.map mkSubdomain
-        |> lib.listToAttrs;
-    };
-in
-{
-  options.custom.services.nameservers.public = {
-    enable = lib.mkEnableOption "";
-    zones = lib.mkOption {
-      type = lib.types.nonEmptyListOf lib.types.nonEmptyStr;
-      default = [ ];
-    };
-  };
-
-  config = lib.mkIf cfg.enable {
-    services.nsd = {
-      enable = true;
-      interfaces = [ netCfg.underlay.interface ];
-      zones =
-        cfg.zones
-        |> lib.map (zone: {
-          name = zone;
-          value.data = zoneData zone;
-        })
-        |> lib.listToAttrs;
-    };
-  };
-}

tests/infrastructure/default.nix

@@ -133,7 +133,7 @@
       client1.wait_for_unit("${client1NetCfg.overlay.systemdUnit}")
       client2.wait_for_unit("${client2NetCfg.overlay.systemdUnit}")
 
-      lighthouse.wait_for_unit("nsd.service")
+      lighthouse.wait_for_unit("unbound.service")
       lighthouse.wait_for_open_port(53, "${lighthouseNetCfg.overlay.address}")
 
       server.wait_for_unit("sshd.service")