diff --git a/ansible/inventories/sifi.yaml b/ansible/inventories/sifi.yaml
index f73cec5..ff6b817 100644
--- a/ansible/inventories/sifi.yaml
+++ b/ansible/inventories/sifi.yaml
@@ -3,11 +3,18 @@ sifi:
   children:
     opn:
       hosts:
-        ns1.sifi.isti.cnr.it:
-          #ansible_host:  146.48.108.51 [WAN public ip]
-          ansible_host: 10.20.30.111
+        #ns1.sifi.isti.cnr.it:
+          #ansible_host:  146.48.108.51 #[WAN public ip]
+          #ansible_host: 10.20.30.111
+    wireguard:
+        wireguarder.sifi.isti.cnr.it:
+        #  ansible_host: 146.48.108.13
     nameserver:
-        opn:
+      hosts:
+        ns1.sifi.isti.cnr.it:
+          ansible_host:  146.48.108.51
+        #dns1.internal.sifi.isti.cnr.it:
+        #  ansible_host: 10.11.12.11
     workers:
       hosts:
-        worker1.sifi.isti.cnr.it:    
\ No newline at end of file
+        worker1.internal.sifi.isti.cnr.it:    
\ No newline at end of file