diff --git a/named.conf.local b/named.conf.local
index a833736..3df87d8 100644
--- a/named.conf.local
+++ b/named.conf.local
@@ -95,4 +95,9 @@ zone "domain.tilde" {
 zone "ca.tilde" {
 	type master;
 	file "/etc/bind/db.ca.tilde";
+};
+
+zone "os.tilde" {
+	type master;
+	file "/etc/bind/db.os.tilde";
 };
\ No newline at end of file