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Linux 2.6 - man page for whois (linux section 1)

WHOIS(1)				 Debian GNU/Linux				 WHOIS(1)

NAME
       whois - client for the whois directory service

SYNOPSIS
       whois  [  -h  HOST  ] [ -p  PORT ] [ -aCFHlLMmrRSVx ] [ -g SOURCE:FIRST-LAST ] [ -i ATTR ]
       [ -S SOURCE ] [ -T TYPE ] object

       whois [ -t ] [ -v ] template whois [ -q ] keyword

DESCRIPTION
       whois searches for an object in a RFC 3912 database.

       This version of the whois client tries to guess the right server to ask for the	specified
       object. If no guess can be made it will connect to whois.networksolutions.com for NIC han-
       dles or whois.arin.net for IPv4 addresses and network names.

OPTIONS
       -h HOST Connect to HOST.

       -H      Do not display the legal disclaimers some registries like to show you.

       -p PORT Connect to PORT.

       --verbose
	       Be verbose.

       --help  Display online help.

       Other options are flags understood by RIPE-like servers.

NOTES
       Please remember that whois.networksolutions.com by default will only search in the domains
       database.  If  you  want to search for NIC handles you have to prepend a ! character. When
       you do this, the default server becomes whois.networksolutions.com.

       When querying whois.arin.net for IPv4 or IPv6 networks, the CIDR netmask  length  will  be
       automatically removed from the query string.

       When  querying  whois.nic.ad.jp for AS numbers, the program will automatically convert the
       request in the appropriate format, inserting a space after the string AS.

       When querying whois.denic.de for domain names and no other flags have been specified,  the
       program will automatically add the flag -T dn.

       When  querying whois.dk-hostmaster.dk for domain names and no other flags have been speci-
       fied, the program will automatically add the flag --show-handles.

       RIPE-specific command line options are ignored when querying non-RIPE servers. This may or
       may  not be the behaviour intended by the user.	When querying a non-standard server, com-
       mand line options which are not to be interpreted by the client should always  follow  the
       -- separator (which marks the beginning of the query string).

       If  the	/etc/whois.conf  config file exists, it will be consulted to find a server before
       applying the normal rules. Each line of the file should contain a regular expression to be
       matched against the query text and the whois server to use, separated by white space.

       The whois protocol does not specify an encoding for characters which cannot be represented
       by ASCII and implementations vary wildly.  If the program knows	that  a  specific  server
       uses  a	certain  encoding,  if needed it will transcode the server output to the encoding
       specified by the current system locale.

       Command line arguments will always be interpreted accordingly to the current system locale
       and converted to the IDN ASCII Compatible Encoding.

Files
       /etc/whois.conf

ENVIRONMENT
       LANG   When  querying  whois.nic.ad.jp  and whois.jprs.jp english text is requested unless
	      the LANG or LC_MESSAGES environment variables specify a Japanese locale.

       WHOIS_OPTIONS
	      A list of options which will be evalued before the ones specified  on  the  command
	      line.

       WHOIS_SERVER
	      This  server will be queried if the program cannot guess where some kind of objects
	      are located. If the variable does not exist then whois.arin.net will be queried.

SEE ALSO
       RFC 3912: WHOIS Protocol Specification

       RIPE-223: RIPE NCC Database Documentation

       Detailed help on available flags can be found in RIPE-223 or in the help file which can be
       obtained with the command:

	      whois -h whois.ripe.net HELP

BUGS
       The  program  may  have	buffer	overflows in the command line parser: be sure to not pass
       untrusted data to it.  It should be rewritten to use a dynamics strings library.

HISTORY
       This program closely tracks the user interface of the whois client developed  at  RIPE  by
       Ambrose Magee and others on the base of the original BSD client.  I also added support for
       the protocol extensions developed by David Kessens of QWest for the 6bone server.

AUTHOR
       Whois and this man page were written by Marco d'Itri <md@linux.it> and are licensed  under
       the terms of the GNU General Public License, version 2 or higher.

Marco d'Itri				 20 December 2009				 WHOIS(1)


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