Contact at mfa.gov.cn?

Thu Apr 3 06:25:59 UTC 2008

Lou,

I was not able to ping 219.238.192.6 from 192.* space, but was able to 
ping it from a non-192.* network in the same AS. It looks like they are 
filtering 192.168.0.0/8. Wouldn't be the first time.

Lou Katz wrote:
> On Wed, Apr 02, 2008 at 12:13:29PM -0400, Christina Klam wrote:
>   
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>> Does someone have a contact name at mfa.gov.cn?  When one of our users
>> tried to send an email to a host at mail.mfa.gov.cn, we discovered that
>> we are being blocked by mfa.gov.cn.  From my gmail account, I have sent
>> multiple emails to the contacts listed in APNIC. But, no one has
>> responded.  Moreover, when I sent an email to postmaster at mfa.gov.cn, the
>> email bounced as that mailbox does not exist.
>>
>> If someone has an IP range of 192.X.X.X, can you see if you see if you
>> can get to mail.mfa.gov.cn?  At this point I do not know if someone fat
>> fingered a RFC1918 ACL & is blocking 192.168.0.0/8 instead of
>> 192.168.0.0/16, or if they are blocking us upon our AS number (26099).
>>
>>     
>
> I suspect fat fingers. I am 192.160.193.X and get the following:
>
>
> lou at pop:/users/lou -=[1]=- telnet mail.mfa.gov.cn smtp
>
> (hangs)
>
> lou at pop:/users/lou -=[2]=- dig mail.mfa.gov.cn
>
> ; <<>> DiG 9.2.1rc2 <<>> mail.mfa.gov.cn
> ;; global options:  printcmd
> ;; connection timed out; no servers could be reached
>
> lou at pop:/users/lou -=[3]=- whois mfa.gov.cn
> Domain Name: mfa.gov.cn
> ROID: 20021209s10061s00002107-cn
> Domain Status: serverDeleteProhibited
> Domain Status: serverUpdateProhibited
> Domain Status: serverTransferProhibited
> Registrant Organization:
> 中华人民共和国外交部
> Registrant Name: 信息化办主任
> Administrative Email: master at mfa.gov.cn
> Sponsoring Registrar: 网络中心
> Name Server:ns2.mfa.gov.cn
> Name Server:ns4.mfa.gov.cn
> Registration Date: 2002-10-17 00:00
> Expiration Date: 2010-10-17 00:00
> lou at pop:/users/lou -=[4]=- dig mfa.gov.cn mx
>
> ; <<>> DiG 9.2.1rc2 <<>> mfa.gov.cn mx
> ;; global options:  printcmd
> ;; connection timed out; no servers could be reached
> lou at pop:/users/lou -=[5]=- 
>
>
> However, from an account I have elsewhere,
>
> well% telnet mail.mfa.gov.cn smtp
> Trying 219.238.192.6...
> Connected to mail.mfa.gov.cn.
> Escape character is '^]'.
> 220 mail.mfa.gov.cn ESMTP Mirapoint Messaging Server MOS 3.8.2-GA Queueing
> quit
> 221 mail.mfa.gov.cn Goodbye
> Connection closed by foreign host.
> well% 
>
>   
>> Thanks,
>> - -- Cmk
>>
>>
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>>     
>
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>   