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+.\" ++Copyright++ 1986, 1988
+.\" -
+.\" Copyright (c) 1986, 1988
+.\" The Regents of the University of California. All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\" notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\" notice, this list of conditions and the following disclaimer in the
+.\" documentation and/or other materials provided with the distribution.
+.\" 3. All advertising materials mentioning features or use of this software
+.\" must display the following acknowledgement:
+.\" This product includes software developed by the University of
+.\" California, Berkeley and its contributors.
+.\" 4. Neither the name of the University nor the names of its contributors
+.\" may be used to endorse or promote products derived from this software
+.\" without specific prior written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\" -
+.\" Portions Copyright (c) 1993 by Digital Equipment Corporation.
+.\"
+.\" Permission to use, copy, modify, and distribute this software for any
+.\" purpose with or without fee is hereby granted, provided that the above
+.\" copyright notice and this permission notice appear in all copies, and that
+.\" the name of Digital Equipment Corporation not be used in advertising or
+.\" publicity pertaining to distribution of the document or software without
+.\" specific, written prior permission.
+.\"
+.\" THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
+.\" WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
+.\" OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT
+.\" CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+.\" DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+.\" PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+.\" ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+.\" SOFTWARE.
+.\" -
+.\" --Copyright--
+.\"
+.\" @(#)ns.me 6.3 (Berkeley) 9/19/89
+.\"
+.sh 1 "The Name Service"
+.pp
+The basic function of the name server is to provide information about network
+objects by answering queries. The specifications for this name server are
+defined in RFC1034, RFC1035 and RFC974. These documents can be found in
+\fI/usr/src/etc/named/doc\fP in 4.3BSD or \fIftp\fPed from
+\fBftp.rs.internic.net\fP.
+It is also recommended that you read the related manual pages,
+\fInamed\fP\|(8),
+\fIresolver\fP\|(3),
+and \fIresolver\fP\|(5).
+.pp
+The advantage of using a name server over the host table lookup for host
+name resolution is to avoid the need for a single centralized clearinghouse
+for all names. The authority for this information can be delegated to the
+different organizations on the network responsible for it.
+.pp
+The host table lookup routines require that the master file for the entire
+network be maintained at a central location by a few people. This works
+fine for small networks where there are only a few machines and the
+different organizations responsible for them cooperate. But this does not
+work well for large networks where machines cross organizational boundaries.
+.pp
+With the name server, the network can be broken into a hierarchy of domains.
+The name space is organized as a tree according to organizational or
+administrative boundaries.
+Each node, called a \fIdomain\fP, is given a label, and the name of the
+domain is the concatenation of all the labels of the domains from
+the root to the current domain, listed from right to left separated by dots.
+A label need only be unique within its domain.
+The whole space is partitioned into several areas called \fIzones\fP,
+each starting at a domain and extending down to the leaf domains or to
+domains where other zones start.
+Zones usually represent administrative boundaries.
+An example of a host address for a host at the University of California,
+Berkeley would look as follows:
+.(b
+\fImonet\fP\|\fB.\fP\|\fIBerkeley\fP\|\fB.\fP\|\fIEDU\fP
+.)b
+The top level domain for educational organizations is EDU;
+Berkeley is a subdomain of EDU and monet is the name of the host.
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