Update 'named.conf.local'

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";
 };