DNS lookup utility
host [-aCdlnrsTwv] [-c class] [-N ndots] [-R number] [-t type] [-W wait] [-m flag] [-4] [-6] {name} [server]
QNX Neutrino
See http://netbsd.gw.com/cgi-bin/man-cgi?host++NetBSD-5.0 in the NetBSD documentation.
The host utility is for performing DNS lookups. You normally use it to convert names to IP addresses and vice versa. For more information, see http://netbsd.gw.com/cgi-bin/man-cgi?host++NetBSD-5.0 in the NetBSD documentation.