diff --git a/test/tests.json b/test/tests.json
index 1e21aa9..4db09a3 100644
--- a/test/tests.json
+++ b/test/tests.json
@@ -81,6 +81,10 @@
             {
                 "title": "normal",
                 "args": "1.1.1.1"
+            },
+            {
+                "title": "loopback",
+                "args": "127.0.0.1"                
             }
         ],
         "dns": [