diff --git a/Corefile b/Corefile
index 406eda5..feaf111 100644
--- a/Corefile
+++ b/Corefile
@@ -27,7 +27,11 @@
     forward . 1.1.1.1 1.0.0.1 9.9.9.9 {
         max_concurrent 1000
     }
-    cache 30
+    # Use default cap (3600). Earlier `cache 30` clamped authoritative
+    # TTLs too aggressively — every record HE pulled showed TTL≈5 because
+    # the cache plugin sits in the (common) plugin chain and clamps any
+    # response passing through, not just forwarded-resolver answers.
+    cache
     errors
     log
     loop