diff --git a/initializers/services.yml b/initializers/services.yml
index 59647df..8d4441c 100644
--- a/initializers/services.yml
+++ b/initializers/services.yml
@@ -1,7 +1,12 @@
-# - name: SSH
+# - name: DNS
 #   protocol: TCP
 #   ports:
-#     - 22
+#     - 53
+#   virtual_machine: virtual machine 1
+# - name: DNS
+#   protocol: UDP
+#   ports:
+#     - 53
 #   virtual_machine: virtual machine 1
 # - name: MISC
 #   protocol: UDP