diff --git a/lib.nix b/lib.nix
index 9801c35..e6429b0 100644
--- a/lib.nix
+++ b/lib.nix
@@ -72,7 +72,7 @@ in {
     getSiteV4PrefixLength getSiteV6PrefixLength;
 
   fudo.types = with lib.types; rec {
-    networkHost = { name, ... }: {
+    networkHost = {
       hostname = mkOption {
         type = str;
         description = "Hostname";
@@ -111,6 +111,46 @@ in {
       };
     };
 
-    networkHosts = attrsOf (submodule networkHost);
+    networkHosts = let
+      # This is necessary because of the default 'name'...sigh.
+      networkHostOpt = { name, ... }: {
+        hostname = mkOption {
+          type = str;
+          description = "Hostname";
+          default = name;
+        };
+
+        ipv4-address = mkOption {
+          type = nullOr str;
+          description = "The V4 IP of a given host, if any.";
+          default = null;
+        };
+
+        ipv6-address = mkOption {
+          type = nullOr str;
+          description = "The V6 IP of a given host, if any.";
+          default = null;
+        };
+
+        mac-address = mkOption {
+          type = nullOr str;
+          description =
+            "The MAC address of a given host, if desired for IP reservation.";
+          default = null;
+        };
+
+        description = mkOption {
+          type = nullOr str;
+          description = "Description of the host.";
+          default = null;
+        };
+
+        sshfp-records = mkOption {
+          type = listOf str;
+          description = "List of SSHFP records for this host.";
+          default = [ ];
+        };
+      };
+    in attrsOf (submodule networkHostOpt);
   };
 }