named-checkzone(8) on macOS
The text 2de9f39a6465, as Mac OS X 10.4.11.x86, Mac OS X 10.4.11.ppc, Mac OS X 10.4.10.x86, Mac OS X 10.4.10.ppc shipped it.
zone file validity checking tool
Flags it lists
-
-D -
-c -
-d -
-j -
-k -
-n -
-o -
-q -
-t -
-v -
-w