jdresolve(1) on Linux
The text 982613c441db, as Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie), Debian 7 (Wheezy), Debian 6.0 (Squeeze), Debian 5.0 (Lenny), Debian 4.0 (Etch), Debian 3.1 (Sarge) shipped it.
resolves IP addresses into hostnames
Flags it lists
-
--anywhere -
--dbfirst -
--dbonly -
--debug -
--dumpdb -
--expiredb -
--help -
--line-cache -
--mask -
--mergedb -
--nostats -
--progress -
--recursive -
--sockets -
--timeout -
--unresolved -
--version -
-a -
-d -
-h -
-l -
-m -
-n -
-p -
-r -
-s -
-t -
-v