diff --git a/src/config.json b/src/config.json
index e25c5767..19b9bc58 100644
--- a/src/config.json
+++ b/src/config.json
@@ -94,6 +94,10 @@
         "ciphersuites": null,
         "dhparam": null
     },
+    "dns": {
+        "ipv6": false,
+        "ttl": 30
+    },
     "user-agent": null,
     "verbose": 0,
     "watch": true,