diff --git a/TODO b/TODO
index 779fe7d7cf..aeed0c84d2 100644
--- a/TODO
+++ b/TODO
@@ -73,6 +73,8 @@ Features:
 
 * optionally, also require WATCHDOG=1 notifications during service start-up and shutdown
 
+* resolved: when routing queries, make sure only look for the *longest* suffix...
+
 * resolved: maybe, after all, implement local listening for DNS packets on port
   127.0.0.53:53.