diff --git a/TODO b/TODO
index 6361eb1..7137b81 100644
--- a/TODO
+++ b/TODO
@@ -1,2 +1,6 @@
 Make RData and RRType the same thing so it becomes impossible to make
 a mistake.
+
+Tests needed:
+ - encode and decode of each kind of RR
+ - encode and decode of several variants of packet, both sensible and not