socket_getnameinfo(1p) on Linux
The text f4caeef74bd8, as Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch) shipped it.
command-line tool to "getnameinfo(3)" resolver
Flags it lists
-
--address -
--dgram -
--help -
--port -
-A -
-P