ldns-dane(1) on Linux
The text 9de20ae2bf2d, as Debian 12 (Bookworm) shipped it.
verify or create TLS authentication with DANE (RFC6698)
Flags it lists
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-4 -
-6 -
-S -
-T -
-a -
-b -
-c -
-d -
-f -
-h -
-i -
-k -
-n -
-o -
-p -
-s -
-t -
-u -
-v