retry timeout exceeded

Hello Sir

I have a problem with one server
That I can't send any e-mail to it or I can't ping it

when you try to send any e-mail to this server you will recieve
Mail delivery failed: returning message to sender

This message was created automatically by mail delivery software.

A message that you sent could not be delivered to one or more of its
recipients. This is a permanent error. The following address(es)
failed:

EMAIL ADDRESS
host lookup did not complete: retry timeout exceeded

I checked all thing and services in this server and I don't found any
problem

I don't have any firewall installed in this server

and no problem with

/etc/hosts
/etc/resolv.conf
/etc/nameserverips
hostname
----------------
root@server [/home]# service named restart
Shutting down named: [ OK ]
Starting named: [ OK ]
----------------
root@server [/home]# rndc status
number of zones: 52
debug level: 0
xfers running: 0
xfers deferred: 0
soa queries in progress: 0
query logging is OFF
server is up and running
----------------
root@server [/home]# uname -a
Linux hostname 2.4.26-grsec #2 Tue May 4 14:40:21 PDT 2004
i686 i686 i386 GNU/Linux
------------------
root@server [/home]# service exim restart
Shutting down clamd: [ OK ]
Shutting down exim: [ OK ]
Shutting down antirelayd: [ OK ]
Shutting down spamd: [ OK ]
Starting clamd: [ OK ]
Starting exim: [ OK ]
Starting exim-smtps: [ OK ]
Starting antirelayd: [ OK ]
Starting spamd: [ OK ]
---------------------
root@server [/home]# host -t a yahoo.com
yahoo.com has address 66.94.234.13
yahoo.com has address 216.109.112.135
----------------------
/scripts/exim4 --force
working with no problem
----------------------
/scripts/upcp --force
/scripts/upcp
/scripts/eximup
-----------------------
service named stop
Ok with no error
------------------------
Domain name working good
------------------------

this server from Managed.com
when I ping this server from server in this DC I can ping it with no error

and I can ping it from my computer

But from server out side Managed.com

root@host [~]# host -t a DOMAINNAME.COM
;; connection timed out; no servers could be reached

this happend from more than 10 server out side Managed
and I can't ping it too

-----------------

again I don't have Firewall installed in this one

and Managed.com don't help
Dear Customer,

You will need to hire a system administrator to resolve this issue. We provide self-managed servers and only provide limited support.
Thank you.


Any other idea please to solve this problem ????

Best reagrds

 

 

 

 

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