dnskeygen(1) on Linux
The text f4acb1289271, as Debian 3.0 (Woody) shipped it.
generate public, private, and shared secret keys for DNS Security
Flags it lists
-
-D -
-F -
-H -
-R -
-a -
-c -
-h -
-n -
-p -
-s -
-u -
-z