Manual page for NAMED(8C)
named, in.named - Internet domain name server
SYNOPSIS
/usr/etc/in.named
[ -d
level ]
[ -p
port ]
[[-b]
bootfile ]
DESCRIPTION
named
is the Internet domain name server.
It is used by resolver libraries to provide access
to the Internet distributed naming database.
The domain name server is described in the
[a manual with the abbreviation ADMIN].
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.
OPTIONS
- -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 number.
- -b bootfile
-
Use
bootfile
rather than
/etc/named.boot.
EXAMPLE
-
;
; boot file for name server
;
; type domain source file or host
;
primary berkeley.edu named.db
secondary cc.berkeley.edu 10.2.0.78 128.32.0.10
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
10.2.0.78.
If the transfer fails it will try
128.32.0.10,
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 <filename>
$ORIGIN <domain>
<domain>
<opt_ttl>
<opt_class>
<type>
<resource_record_data>
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
1035)).
- 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).
FILES
- /etc/named.boot
-
name server configuration boot file
- /etc/named.pid
-
the process
ID
- /var/tmp/named.run
-
debug output
- /var/tmp/named_dump.db
-
dump of the name servers database
SEE ALSO
kill.1
signal.3v
resolver.3
resolv.conf.5
nslookup.8c
[a manual with the abbreviation ADMIN]
Mockapetris, Paul,
Domain Names - Concepts and Facilities,
RFC
1034,
Network Information Center,
SRI
International, Menlo Park, Calif.,
November 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.,
January 1986.
Partridge, Craig,
Mail Routing and the Domain System,
RFC
974,
Network Information Center,
SRI
International, Menlo Park, Calif.,
January 1986.
NOTES
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.
- SIGUSR1
-
Turns on debugging; each subsequent
SIGUSR1
increments debug level.
- SIGUSR2
-
Turns off debugging completely.
Created by unroff & hp-tools.
© somebody (See intro for details). All Rights Reserved.
Last modified 11/5/97