ldns-verify-zone(1) on Linux
The text 273e422dd72e, as Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch) shipped it.
read a DNSSEC signed zone and verify it.
Flags it lists
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-S -
-V -
-a -
-e -
-h -
-i -
-k -
-p -
-v