name resolution problem: daadjp.com (bind 8.1)
Bernd Plagge
bplagge at choicenet.ne.jp
Wed Oct 26 16:03:17 UTC 2005
Thanks for the mail.
Hm, I'm in charge of daadjp.com not of daad.de - but I'll send a mail to
the daad.de sys admin. I hope he will respond.
On Thu, 20 Oct 2005 01:35:47 GMT
base60 <nobody at whitehouse.com> wrote:
>
>
> > 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)
>
> The problem seems to be specific to merlin.daad.de and the
> daadjp.com domain -- I tried a number of other domains from
> merlin and the all resolved correctly.
>
> It resolves correctly from the secondary deneb.dfn.de
>
> If you just want to *mask* the problem, switch DNS resolution
> on the outbound email relay to deneb.dfn.de
>
> Since the problem seems specific to merlin.daad.de and the
> domain, it's probably something the person maintining the
> server will need to inspect/resolve.
>
>
> >
> > 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
> >
> >
> >
> >
> >
>
>
>
--
プラゲ ベェアント - Bernd Plagge
ファースト・チョイス・インターネット(有)
First Choice Internet Ltd., Tokyo
Tel. 03-5431-6121
Fax. 03-5431-6122
mail: bplagge at choicenet.ne.jp
url: http://www.choicenet.ne.jp
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