Addition of the new command host, which looks for
information about Internet hosts using domain name servers;
see
host(ADMN).
The dig command now supports two additional query
types, rp and txt; see
dig(ADMN).
The named server now supports two additional
options (-q and -r),
the SIGWINCH signal, and three new directives
(xfrnets, include, and bogusns);
see
named(ADMN).
The /etc/resolv.conf file can include three new
keywords (sortlist, options, and hostresorder);
see
resolver(SFF)
and
``DNS client configuration file''.