lwresd(8) on Linux
The text 15c9f1bb173c, as Debian 6.0 (Squeeze) shipped it.
lightweight resolver daemon
Flags it lists
-
-4 -
-6 -
-C -
-P -
-c -
-d -
-f -
-g -
-i -
-m -
-n -
-p -
-s -
-t -
-u -
-v