drill(1) on Linux
The text a49a83eec979, as Debian 10 (Buster), Debian 9 (Stretch) shipped it.
get (debug) information out of DNS(SEC)
Flags it lists
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-4 -
-6 -
-D -
-Q -
-S -
-T -
-V -
-a -
-b -
-c -
-d -
-f -
-h -
-i -
-k -
-o -
-p -
-q -
-r -
-s -
-t -
-u -
-v -
-w -
-x -
-y -
-z