Provided by: nis_3.17-34ubuntu3_amd64
yppoll - return version and master server of a NIS map
yppoll [ -h host ] [ -d domain ] mapname
-h host Ask the NIS server process running on host for information about mapname. If host is not specified, the server polled is the default server returned by ypwhich(1). -d domain Specify a domain other than the default domain as returned by domainname(1).
yppoll is part of the yp-tools package, which was written by Thorsten Kukuk <email@example.com>.