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From: Just Another Perl Hacker <japh@gol.com>
Date: 17 Jul 1998 16:32:19 +0900
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Subject: [FreeBSD-net-jp 856] RFC2052, planned to support?
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$B@hF|(BRFC2052$B$r%@%&%s%m!<%I$7$FFI$_$^$7$?!#LLGr$$$G$9!#Hf3SE*?7$7$$(BRFC$B$G!"(B
$BC1$K%[%9%HL>$H%"%I%l%9$r$d$j$H$j$9$k$K2a$.$J$+$C$?(BBIND$B$r!"%/%i%$%"%s%H$X(B
$B$N;q8;3d$jEv$F(Bserver$B$K$7$h$&$H$9$k$b$N$G$9!#(B

$B$3$s$J$3$H$,=PMh$^$9!#0J2<(BRFC2052$B$h$jH4?h!#(B

------------------------------------------------------------------------
Fictional example

   This is (part of) the zone file for asdf.com, a still-unused domain:

        $ORIGIN asdf.com.
        @               SOA server.asdf.com. root.asdf.com. (
                            1995032001 3600 3600 604800 86400 )
                        NS  server.asdf.com.
                        NS  ns1.ip-provider.net.
                        NS  ns2.ip-provider.net.

$B$3$3$^$G$O=>Mh$HJQ$o$j$^$;$s!#(B

        ftp.tcp         SRV 0 0 21 server.asdf.com.
        finger.tcp      SRV 0 0 79 server.asdf.com.

$B:8$+$i(BService.Proto(.Name) (TTL) Class Priority Weight Port Target$B!#(B

        ; telnet - use old-slow-box or new-fast-box if either is
        ; available, make three quarters of the logins go to
        ; new-fast-box.
        telnet.tcp      SRV 0 1 23 old-slow-box.asdf.com.
                        SRV 0 3 23 new-fast-box.asdf.com.

$B%/%i%$%"%s%H$O(BQNAME=service.proto(.target)$B!"(BQCLASS=IN$B!"(BQTYPE=SRV$B$rAw$j$^(B
$B$9!#$9$k$H(BSRV$B0J2<$,5"$C$F$-$^$9!#$3$l$i$N9T$O(B4$B2s$K(B3$B2s$O(Bnew-fast-box$B$r;H(B
$B$($H$$$&0UL#$G$9!#(B

        ; if neither old-slow-box or new-fast-box is up, switch to
        ; using the sysdmin's box and the server
                        SRV 1 0 23 sysadmins-box.asdf.com.
                        SRV 1 0 23 server.asdf.com.

$B$3$l$i$N9T$O!"(Bold-slow-box$B$b(Bnew-fast-box$B$b;`$s$G$$$?>l9g$O(Bpriority$B$,(B1$B$N(B
$B%[%9%H$r(BTELNET$B$NBeBX$K;H$($H;X<($7$F$$$^$9!#?t;z$NBg>.$O(BMX$B$KJo$&$_$?$$$G(B
$B$9!#(B

        ; HTTP - server is the main server, new-fast-box is the backup
        ; (On new-fast-box, the HTTP daemon runs on port 8000)
        http.tcp        SRV 0 0 80 server.asdf.com.
                        SRV 10 0 8000 new-fast-box.asdf.com.

http$B$KBP$7$F$O(Bserver.asdf.com.$B$,I8=`$G!"BeBX%[%9%H$,(Bnew-fast.box$B$G$9!#(B

        ; since we want to support both http://asdf.com/ and
        ; http://www.asdf.com/ we need the next two RRs as well
        http.tcp.www    SRV 0 0 80 server.asdf.com.
                        SRV 10 0 8000 new-fast-box.asdf.com.

$B$3$l$i$N9T$rDI2C$9$k$3$H$G(Bwww.asdf.com.$B$H(Basdf.com.$B$,(Bhttp$B%[%9%H$K$J$j$^$9!#(B
$B$$$:$l$K$;$h(Basdf.com.$B$d(Bwww.asdf.com.$B$H$$$&%[%9%H$O$=$b$=$bB8:_$7$J$$$3$H(B
$B$KCm0U!#(BURL$B$N%[%9%HL>ItJ,$O(BPTR$B%l%3!<%I$H2?$N4X78$b$J$$$H$$$&$3$H$G$9!#(B

        smtp.tcp        SRV 0 0 25 server.asdf.com.
                        SRV 1 0 25 mailhost.ip-provider.net.
        @               MX  0 server.asdf.com.
                        MX  1 mailhost.ip-provider.net.

$B$3$l$i$N9T$K$h$C$F!"%/%i%$%"%s%H$HMxMQ<T$O(BSMTP$B%[%9%H$N%[%9%HL>$rCN$kI,MW(B
$B$,$^$C$?$/$J$/$J$j$^$9!#B>$N%W%m%H%3%k$bF1MM!#(B

        ; addresses
        server          A   172.30.79.10
        old-slow-box    A   172.30.79.11
        sysadmins-box   A   172.30.79.12
        new-fast-box    A   172.30.79.13

$B$"$H$O(BA$B%l%3!<%I!#;dE*%"%I%l%9$J$N$ONc$@$+$i$G$7$g$&!#(B
------------------------------------------------------------------------

$B$D$^$j=>Mh$O!V(Bftp$B$@$C$?$i(Bftp.asdf.com.$B$@$m!<!W$H8+Ev$D$1$F$d$C$F$$$?$b$N(B
$B$,!"%W%m%H%3%kL>$H(BWHOIS$BE*%I%a%$%s$G$d$k$h$&$K$J$k$C$F$3$H$G$9!#$$$C$]$&(B
$B$3$$$D$r<BAu$7$?%/%i%$%"%s%H$O$^$@$[$H$s$IB8:_$7$^$;$s$,!"(BMindozeNT$B$N?7(B
$B$7$$(B5.0$B$,$I$&$b$3$&$$$C$?$3$H$r$d$k$i$7$$$G$9!#(B

$B$G!"(BFreeBSD$B$r;O$a$H$7$?(B4.4BSD$B$G(BRFC2052$B$r%5%]!<%H$9$kM=Dj$O$$$+$,$J$b$s$G(B
$B$7$g$&$+(B?

-- 
Junichi Kurokawa <japh@gol.com>
Global Online Japan Corporation, Tokyo
