name resolution problem: daadjp.com (bind 8.1)
Bernd Plagge
bplagge at choicenet.ne.jp
Thu Oct 20 07:02:37 UTC 2005
Hello,
one of our customers (domain: daadjp.com) has problems to receive mail
from its headoffice (daad.de) the reason being that headoffice
nameserver (merlin.daad.de) doesn't respond / times out.
BTW, the timeout seems to be set to 2 secs.
fpdns merlin.daad.de tells me that they are running Bind 8.1 - 8.2.1-T4B
(recurson enabled)
dig @merlin.daad.de mx daadjp.com
results in:
; <<>> DiG 9.3.1 <<>> @merlin.daad.de mx daadjp.com
; (1 server found)
;; global options: printcmd
;; connection timed out; no servers could be reached
while
dig @merlin.daad.de mx daadjp.com +trace
results in:
; <<>> DiG 9.3.1 <<>> @merlin.daad.de mx daadjp.com +trace
; (1 server found)
;; global options: printcmd
. 67830 IN NS I.ROOT-SERVERS.NET.
. 67830 IN NS J.ROOT-SERVERS.NET.
. 67830 IN NS K.ROOT-SERVERS.NET.
. 67830 IN NS L.ROOT-SERVERS.NET.
. 67830 IN NS M.ROOT-SERVERS.NET.
. 67830 IN NS A.ROOT-SERVERS.NET.
. 67830 IN NS B.ROOT-SERVERS.NET.
. 67830 IN NS C.ROOT-SERVERS.NET.
. 67830 IN NS D.ROOT-SERVERS.NET.
. 67830 IN NS E.ROOT-SERVERS.NET.
. 67830 IN NS F.ROOT-SERVERS.NET.
. 67830 IN NS G.ROOT-SERVERS.NET.
. 67830 IN NS H.ROOT-SERVERS.NET.
;; Received 436 bytes from 194.94.212.2#53(194.94.212.2) in 341 ms
com. 172800 IN NS H.GTLD-SERVERS.NET.
com. 172800 IN NS I.GTLD-SERVERS.NET.
com. 172800 IN NS J.GTLD-SERVERS.NET.
com. 172800 IN NS K.GTLD-SERVERS.NET.
com. 172800 IN NS L.GTLD-SERVERS.NET.
com. 172800 IN NS M.GTLD-SERVERS.NET.
com. 172800 IN NS A.GTLD-SERVERS.NET.
com. 172800 IN NS B.GTLD-SERVERS.NET.
com. 172800 IN NS C.GTLD-SERVERS.NET.
com. 172800 IN NS D.GTLD-SERVERS.NET.
com. 172800 IN NS E.GTLD-SERVERS.NET.
com. 172800 IN NS F.GTLD-SERVERS.NET.
com. 172800 IN NS G.GTLD-SERVERS.NET.
;; Received 500 bytes from 192.36.148.17#53(I.ROOT-SERVERS.NET) in 169
ms
daadjp.com. 172800 IN NS ns.choicenet.ne.jp.
daadjp.com. 172800 IN NS ns02.choicenet.ne.jp.
;; Received 79 bytes from 192.43.172.30#53(I.GTLD-SERVERS.NET) in 319 ms
daadjp.com. 86400 IN MX 10 mail.daadjp.com.
daadjp.com. 86400 IN MX 20 mail02.daadjp.com.
daadjp.com. 259200 IN NS ns.choicenet.ne.jp.
daadjp.com. 259200 IN NS ns02.choicenet.ne.jp.
;; Received 123 bytes from 203.141.151.81#53(ns.choicenet.ne.jp) in 5 ms
The total time required for the lookup is less than 2 secs but it seems
that sometimes the limit is exceeded.
Even without dig it says: 1 server found
but then nothing follows.
Any idea what the problem might be?
Thanks
Bernard
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