yppoll - return version and master server of a NIS map
yppoll [ -h host ] [ -d domain ] mapname
yppoll queries ypserv(8) which host the NIS master server for a named map is and what the order number of this map is.
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).
Specify a domain other than the default domain as returned by domainname(8).
domainname(8), ypbind(8), ypcat(8), ypmatch(1), ypserv(8), ypset(8), ypwhich(1)
yppoll is part of the yp-tools package, which was written by Thorsten Kukuk <kukuk [AT] linux-nis.org>.