validns(1) on Linux
The text 32e99119b479, as Debian 13 (Trixie) shipped it. The page shows this text now.
DNS and DSNSEC zone file validator
Flags it lists
-
-I -
-M -
-f -
-h -
-n -
-p -
-q -
-s -
-t -
-v -
-z