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NAMED(8C)                                                            NAMED(8C)

       named, in.named - Internet domain name server

       /usr/etc/in.named [ -d level ] [ -p port ] [[-b] bootfile ]

       named  is  the  Internet  domain  name  server.  It is used by resolver
       libraries to provide access to the Internet  distributed  naming  data-
       base.   The domain name server is described in the See RFC 1034 and RFC
       1035 for more details.  With no arguments named  reads  /etc/named.boot
       for any initial data, and listens for queries on a privileged port.

       -d level
              Print  debugging  information.  level is a number indicating the
              level of messages printed.

       -p port
              Use port as the port number, rather than the standard port  num-

       -b bootfile
              Use bootfile rather than /etc/named.boot.

              ;       boot file for name server
              ; type          domain          source file or host
              primary         berkeley.edu    named.db
              secondary       cc.berkeley.edu
              cache           .               named.ca

       The  primary  line states that the file named.db contains authoritative
       data for berkeley.edu.  The file named.db contains data in  the  master
       file  format,  described  in RFC 1035, except that all domain names are
       relative to the origin; in this case, berkeley.edu  (see  below  for  a
       more detailed description).

       The   secondary  line  specifies  that  all  authoritative  data  under
       cc.berkeley.edu is to be transferred from the name server at
       If  the  transfer fails it will try, and continue for up to
       10 tries at that address.  The secondary copy is also authoritative for
       the domain.

       The  cache  line specifies that data in named.ca is to be placed in the
       cache (only used to find the root domain servers).  The  file  named.ca
       is in the same format as named.db.

       The master file consists of entries of the form:
              $INCLUDE <&lt;filename>&gt;
              $ORIGIN <&lt;domain>&gt;
              <&lt;domain>&gt; <&lt;opt_ttl>&gt; <&lt;opt_class>&gt; <&lt;type>&gt; <&lt;resource_record_data>&gt;
       where  domain  is  `.'   for the root, `@' for the current origin, or a
       standard domain name.  If domain is a standard domain  name  that  does
       not end with `.', the current origin is appended to the domain.  Domain
       names ending with `.'  are unmodified.

       The opt_ttl field is an optional integer number  for  the  time-to-live
       field.  It defaults to zero.

       The opt_class field is currently one token, `IN' for the Internet.

       The type field is one of the following tokens; the data expected in the
       resource_record_data field is in parentheses.

       A      A host address (dotted quad).

       NS     An authoritative name server (domain).

       MX     A mail exchanger (domain).

       CNAME  The canonical name for an alias (domain).

       SOA    Marks the start of a zone of authority (5  numbers).   (see  RFC

       MB     A mailbox domain name (domain).

       MG     A mail group member (domain).

       MR     A mail rename domain name (domain).

       NULL   A null resource record (no format or data).

       WKS    A well know service description (not implemented yet).

       PTR    A domain name pointer (domain).

       HINFO  Host information (cpu_type OS_type).

       MINFO  Mailbox or mail list information (request_domain error_domain).

       /etc/named.boot     name server configuration boot file
       /etc/named.pid      the process ID
       /var/tmp/named.run  debug output
                           dump of the name servers database

       kill(1), signal(3V), resolver(3), resolv.conf(5), nslookup(8C)

       Mockapetris,  Paul,  Domain  Names - Concepts and Facilities, RFC 1034,
       Network Information Center, SRI International, Menlo Park, Calif.,  No-
       vember 1987.

       Mockapetris, Paul, Domain Names - Implementation and Specification, RFC
       1035,  Network  Information  Center,  SRI  International,  Menlo  Park,
       Calif., November 1987.

       Mockapetris,  Paul,  Domain  System  Changes and Observations, RFC 973,
       Network Information Center, SRI International, Menlo Park, Calif., Jan-
       uary 1986.

       Partridge,  Craig, Mail Routing and the Domain System, RFC 974, Network
       Information Center, SRI  International,  Menlo  Park,  Calif.,  January

       The following signals have the specified effect when sent to the server
       process using the kill(1) command.

       SIGHUP Causes server to read named.boot and reload database.

       SIGINT Dumps current data base and cache to /var/tmp/named_dump.db.

              Turns on debugging; each  subsequent  SIGUSR1  increments  debug

              Turns off debugging completely.

                                 30 June 1989                        NAMED(8C)