dns: fix missing dots

nix/nixos-module/container/dns.nix

@@ -8,7 +8,7 @@ let
   in { name, ns, records, ... }: util.writeZone name (with dns-nix.lib.combinators; {
     TTL = 60*60;
     SOA = {
-      nameServer = lib.dns.ns;
+      nameServer = "${lib.dns.ns}.";
       adminEmail = "astro@spaceboyz.net";
       serial = lib.toInt serial;
       refresh = 60*60;
@@ -16,7 +16,7 @@ let
       expire = 2*60;
       minimum = 60;
     };
-    NS = ns;
+    NS = map (a: a+".") ns;
     subdomains = lib.foldl (a: b: lib.recursiveUpdate a b) { } (map ({ name, type, data }: {
       ${name}.${type} = [ data ];
     }) records);