diff --git a/main.py b/main.py
index 12fd6b1..79d2be9 100644
--- a/main.py
+++ b/main.py
@@ -251,4 +251,6 @@ records = collections.defaultdict(list)
 
 for zone in zones:
     for record in zone:
-        HANDLERS[record](zone, records)
+        if zone[record]:
+            # only apply handler if record in not `None` or `[]`
+            HANDLERS[record](zone, records)