rndc(8) on macOS
The text a3336ac79f77, as Mac OS X 10.5.4, Mac OS X 10.5.3, Mac OS X 10.5.2, Mac OS X 10.5.1, Mac OS X 10.5 shipped it.
name server control utility
Flags it lists
-
-V -
-b -
-c -
-k -
-p -
-s -
-y