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NAME ()
host -
SYNOPSIS ()
host [ -l ] [ -v ] [ -w ] [ -r ] [ -d ] [ -t querytype ] [ -a ] host [
server ]
DESCRIPTION ()
Host Internet . . , host Internet . -t -a , .
, . , , . , 128.6.4.194. , topaz.rutgers.edu. , . ,
Rutgers
host topaz
"topaz.rutgers.edu". , ( "topaz"). . hostname(1) ,
. ( . )
. , " (inverse query) " , , .
. . , ().
, . :
% host sun4
sun4.rutgers.edu is a nickname for ATHOS.RUTGERS.EDU
ATHOS.RUTGERS.EDU has address 128.6.5.46
ATHOS.RUTGERS.EDU has address 128.6.4.4
ATHOS.RUTGERS.EDU mail is handled by ARAMIS.RUTGERS.EDU
" host sun4 " " sun4.rutgers.edu " . " ATHOS.RUTGERS.EDU "
. , host . ATHOS.RUTGERS.EDU , ARAMIS.RUTGERS.EDU . ,
. , . , ; :
Li XXX mail is handled by XXX
, .
Li mail is handled by ,
, Internet , . Usenet, Bitnet .
. .
-w host . , .
-v "" , , named(8) . , , . -v , "a", "mx",
"cname" "has address", "mail is handled by" "is a nickname
for", TTL .
-r . . .
-d . .
-t querytype
querytype . named(8) . : a , ns , md , mf , cname , soa
, mb , mg , mr , null , wks , ptr , hinfo , minfo , mx , uinfo ,
uid , gid , unspec . , ( any * ) () . . a , mx , -v ,
a . -t host . -l .
-a ; -v -t any
-l ; :
host -l rutgers.edu
rutgers.edu .
-t . , PTR NS .
host -l -v -t any rutgers.edu
rutgers.edu (zone) . ( , SOA .)
: -l , . .
, , host . /etc/resolv.conf , . LOCALDOMAIN . ,
. , , , , . HOSTALIASES .
HOSTALIASES
, (,) .
/etc/resolv.conf
named(8), resolver(5)
BUGS
, . , , .
-l . , . , foo.edu ,
host -t ns foo.edu
foo.edu ,
host -l foo.edu xxx
xxx , .
[]
<xuming@users.sourceforge.net>
[]
2003/05/13
Linuxman
http://cmpp.linuxforum.net