dns: cleaned up teh implmentation of the dns, partly to make it easier toa dd records and partly to make it really neat config files.

machines/vigil.nix

@@ -45,14 +45,12 @@ in {
     };
 
     # this server will have to have dns records
-    records = {
-      external = [
-        "${name} A ${ip_pub}"
-      ];
-      reverse = [
-        "${builtins.substring 9 3 ip_pub} IN PTR ${hostname}."
-      ];
-    };
+    records = [
+      # vigil IN A    193.1.99.109
+      {record=name;   r_type="A";   value=ip_pub; server=true;}
+      # 109   IN PTR  vigil.skynet.ie.
+      {record=ip_pub; r_type="PTR"; value=hostname;}
+    ];
   };
 
 }