ipcheck(8) on Linux
The text e205dfbf7474, as Debian 8 (Jessie), Debian 7 (Wheezy) shipped it.
dyndns.org client
Flags it lists
-
--devices -
--help -
--makedat -
--syslog -
-A -
-F -
-b -
-c -
-d -
-e -
-f -
-g -
-h -
-i -
-j -
-l -
-m -
-n -
-o -
-p -
-q -
-r -
-s -
-t -
-v -
-w