opendkim-atpszone(8) on Linux
The text 8bea7e94fce7, as Debian 8 (Jessie) shipped it.
DKIM ATPS zone file generation tool
Flags it lists
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-A -
-C -
-E -
-N -
-R -
-S -
-T -
-h -
-o -
-r -
-t -
-u -
-v