diff --git a/machines/core-services-01/subZone.nix b/machines/core-services-01/subZone.nix
index 732a106..157ad87 100644
--- a/machines/core-services-01/subZone.nix
+++ b/machines/core-services-01/subZone.nix
@@ -4,6 +4,7 @@ with dns.lib.combinators;
 
 let
   my = config.my;
+  public-cof-ips = [ "2001:470:1f13:187:c08e:feff:fe4d:f5f5" ];
   delegateACMEDNSChallenge = acme: { _acme-challenge.CNAME = [ acme ]; };
 
   remoteBuilders = {
@@ -15,7 +16,7 @@ with my.ipv6; # contains { standard, acme }
   SOA = {
     nameServer = "ns1.${my.subZone}.";
     adminEmail = my.email;
-    serial = 2021111100; # Y M D Version
+    serial = 2021111200; # Y M D Version
   };
 
   NS = [
@@ -48,6 +49,12 @@ with my.ipv6; # contains { standard, acme }
       AAAA = [ acme ];
     };
 
+    beta.subdomains = {
+      nuage.AAAA = public-cof-ips;
+      minecraft.AAAA = public-cof-ips;
+      factorio.AAAA = public-cof-ips;
+      home.AAAA = public-cof-ips;
+    };
 
     internal.subdomains = {
       # Routers