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Message-Id: <20100808.073649.191374734.tatsuya-t@sannet.ne.jp>
To: FreeBSD-users-jp@jp.FreeBSD.org
From: Tatsuya TANIKAWA <tatsuya-t@sannet.ne.jp>
In-Reply-To: <4C5D304F.4060108@greentag.to>
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	<4C5D304F.4060108@greentag.to>
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Date: Sun, 08 Aug 2010 07:36:49 +0900
X-Sequence: FreeBSD-users-jp 93126
Subject: [FreeBSD-users-jp 93126] Re: sendmail 'host name lookup failure'
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$B$*$O$h$&$4$6$$$^$9!#C+@n$G$9!#(B

$B$"$l$+$i(B RFC 1034, 1035, 2181 $B$rD/$a$J$,$i$$$m$$$m9M$($F$$$k$&$A(B
$B$K4pK\E*$J;v$K5$$,$D$-$^$7$?!#(B($B%=!<%9$N%O!<%I%k$,9b$$$N$G!"2?$H(B
$B$+FI$^$J$$$G$9$`$h$&$K$7$?$$0l?4$+$i$G$9!#(B)

$B$b$&0lEY(B DNS$BLd9g$o$;$N7k2LA4BN$r8+$F$_$k$H!"(B

% dig mx rohm.co.jp
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 12961
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 2, ADDITIONAL: 2

;; QUESTION SECTION:
;rohm.co.jp.			IN	MX

;; ANSWER SECTION:
rohm.co.jp.		600	IN	MX	5 sfgw.rohm.co.jp.
rohm.co.jp.		600	IN	MX	10 mail.rohm.co.jp.

;; AUTHORITY SECTION:
rohm.co.jp.		37754	IN	NS	ns.tokyo.spin.ad.jp.
rohm.co.jp.		37754	IN	NS	ns.spin.ad.jp.

;; ADDITIONAL SECTION:
ns.spin.ad.jp.		44476	IN	A	165.76.4.2
ns.tokyo.spin.ad.jp.	52183	IN	A	165.76.8.2

RFC 1034 $B$G$O(B DNS$BLd9g$;$KBP$9$k(B MX$B$N2sEz$N(B ADDITIONAL SECTION $B$K(B
MX$B$N%"%I%l%9$r4^$a$F$*$/$h$&MW5a$7$F$$$^$9!#<!$KH/@8$9$k$3$H$,M=(B
$B8+$G$-$kL5BL$J(B DNS$BLd9g$o$;$r8:$i$9$?$a$NM-8z$J<jCJ$G$9!#(B
$B$[$H$s$I$N(B MX $B$NLd9g$o$;$KBP$7$F$3$N(B DNS$B%5!<%P$+$i$O(B ADDITIONAL
SECTION $B$+$i(B MX $B$N(B A$B%l%3!<%I$,7gMn$7$?2sEz$7$+JV$C$F$-$^$;$s!#(B
$BC;;~4V$KO"B3$7$FLd9g$o$;$F$_$k$H!"$?$^$K;W$$=P$7$?$+$N$h$&$KIT40(B
$BA4$J>pJs$,IU2C$5$l$k;~$b$"$j$^$9!#%a!<%k$NAw?.$d:FAw;~$N$h$&$K;~(B
$B4V$,$"$$$F$$$k>l9g$O$^$:>e5-$N(B MX$B$N%"%I%l%9$,7gMn$7$?>uBV$K$J$k(B
$B$h$&$G$9!#(B

$B$3$l$O!"(B
% dig mail.rohm.co.jp
;; ANSWER SECTION:
mail.rohm.co.jp.	10	IN	A	125.206.241.124
mail.rohm.co.jp.	10	IN	A	202.33.138.44
mail.rohm.co.jp.	10	IN	A	124.37.35.124
$B$N$H$*$j(B TTL $B$,6KC<$KC;$$@_Dj$K$J$C$F$$$k;v$,860x$NI{:nMQ$@$HA[(B
$BA|$G$-$^$9!#(B
$B$?$H$((B TTL $B$,(B 10$BIC$G$"$C$F$b(B ADDITIONAL SECTION $B$+$i(B MX$B$N(B A$B%l%3!<(B
$B%I$,7gMn$7$?2sEz$rJV$7$F$7$^$&$3$H$O%M%C%H%o!<%/4IM}<T$K$H$C$F$O(B
$BHs>o$K3f9%0-$$;v$G$9!#(B
$B$b$7$+$7$F(B BIND $B$8$cL5$$(B*$B2?$+(B*$B$J$N$+$bCN$l$^$;$s!"!"!"(B($B$&$X$C(B!)

% dig @ns.spin.ad.jp mx rohm.co.jp
% dig @ns.tokyo.spin.ad.jp mx rohm.co.jp
$B$H!"D>@\%M!<%`%5!<%P$KLd9g$o$;$F$F$b(B ADDITIONAL SECTION $B$+$i$O(B
MX$B$N(B A$B%l%3!<%I$,7gMn$7$?2sEz$H$J$j$^$9$N$G8@$$Lu$O$G$-$J$$$G$7$g(B
$B$&!#(B:-)

sendmail$B$O(B MX$B$,F10l%I%a%$%sFb$N(B host $B$G$"$l$P0l2s$N(B MX$B$N(B DNS$BLd9g(B
$B$o$;$G(B  MX$B$N(B IP$B%"%I%l%9$r<hF@$7$h$&$H$7$F$$$k$h$&$G$9!#ITMW$J(B
DNS$BLd9g$o$;$rM^$($k$?$a$N(B RFC $B$I$*$j$NM}$KE,$C$?F0:n$G$9!#(B'host
name lookup failure' $B$HH=CG$9$k$N$bG<F@$G$-$^$9!#(B
MX$B$,B>%I%a%$%s$K$"$k>l9g$K$O0l2s$N(B DNS$BLd9g$;$G(B MX$B$N(B IP$B%"%I%l%9$r(B
$BF@$k$3$H$O$G$-$^$;$s$N$G!"$b$A$m$s(B A$B%l%3!<%I$r0z$-D>$7$^$9!#(B

$B$3$3$G(B sendmail $B$K<j$rF~$l$F(B MX$B$,F10l%I%a%$%sFb$KB8:_$9$k$3$H$,(B
$BJ,$+$C$F$$$F$b0l2s$@$1(B MX$B$,B>%I%a%$%s$K$"$k>l9g$HF1MM$K(B A$B%l%3!<(B
$B%I$r0z$-D>$9$h$&$K$7$F$7$^$($P!"$H$j$"$($:2sHr$O$G$-$=$&$G$9$,!"(B
$B$3$N2sHr:v$O(B DNS$B$N%H%i%U%#%C%/$r2!$7>e$2$F$7$^$&$N$G(B RFC$BE*$K$b0[(B
$B5D$"$j$H$J$j$=$&$G$9!#(B
A$B%l%3!<%I$r0z$-D>$9Be$j$K(B /etc/hosts $B$r;2>H$9$k$N$J$i5v$7$F$b$i(B
$B$($=$&$G$9!#(B

$B$d$O$jA[A|$I$*$j(B sendmail $B$O7x$/$F4h8G$G$^$k$G!V$*$d$8!W$N$h$&$J(B
$BE[$G$9!#6J$C$?$3$H$OBg7y$$$J$H$3$m$,A~$a$^$;$s!#(B:-)
$B$3$l$O%$%s%?!<%M%C%H$N$?$a!"@$3&J?OB$N$?$a$K$b(B JENS(SpinNet)$B$5$s(B
$B$K$*4j$$$7$FD>$7$F$b$i$&$N$,6Z$@$H;W$&$N$G$9$,!"3'$5$s$$$+$,$J$b(B
$B$N$G$7$g$&$+(B? ($B2?$+$7$i$NN"BG$A$,$"$l$P!"!"!"(B)

# $B%=!<%9$r3NG'$7$?$o$1$G$OL5$$$N$G4V0c$$$,$"$l$P$4;XE&$*4j$$$7$^(B
# $B$9!#$5$i$K(B qmail, postfix $B$N5sF0$b5$$K$J$k$H$3$m$G$9!#(B
--
 $BC+@n(B $BC#Li(B  TANIKAWA Tatsuya
 mailto: tatsuya-t@sannet.ne.jp
 PGP Key fingerprint = 1D 8D CB 10 8A 8B 67 B0  9A B9 9C 14 37 50 BC F5

