khost(1) on Linux
The text 6752cd5984d7, as Debian 9 (Stretch) shipped it.
Simple DNS lookup utility
Flags it lists
-
--help -
--version -
-4 -
-6 -
-R -
-T -
-V -
-W -
-a -
-c -
-d -
-h -
-r -
-t -
-v -
-w