diff --git a/zones/xaviera.systems.zone b/zones/xaviera.systems.zone
index 22c658f..32a45fd 100644
--- a/zones/xaviera.systems.zone
+++ b/zones/xaviera.systems.zone
@@ -1,6 +1,6 @@
 $ORIGIN xaviera.systems.
 @			3600	IN SOA  ns3.xaviera.systems. admin.k7dxs.net. (
-				36	; serial
+				37	; serial
 				28800	; refresh (8 hours)
 				7200	; retry (2 hours)
 				2419200	; expire (4 weeks)
@@ -52,6 +52,9 @@ k3s.truenas		3600	IN	CNAME	lester
 acme-dns		300	IN	NS	ns2.xaviera.systems.
 _acme-challenge		300	IN	CNAME	3ca72e27-b4d4-405b-a12c-e1898e308d1a.acme-dns.xaviera.systems.
 
+; Iodine Delegation
+idne			300	IN	NS	vpn.xaviera.systems.
+
 ; CAA Records
 @			3600	IN	CAA	0 issue "letsencrypt.org"
 @			3600	IN	CAA	0 iodef "mailto:admin@k7dxs.net"