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DNS no ping

Posted on 2014-02-28
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Last Modified: 2014-03-22
I have an issue where I cannot ping a DNS address on the internet.

I have restarted the server, DNS server service, cleared my cashe.  I can ping my other store address.  When I try to ping my address at my house, I set my router not to respond to pings, but it does show my static address in the DNS table with no ping response.

The corporate office can surf the internet without issue, so I know that DNS queries are getting out.  I have went to places I know nobody else goes.  It is just this one store address I can not ping.

When I make a VPN connection back to my house, the ping response rides down the connection and I do get a ping off my VPN while I am on the corporate network when I cut the VPN and flush the DNS no ping.

I could really use some help.

Rick
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Question by:RickArnold
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Expert Comment

by:brendanmeyer
ID: 39896703
can you give examples of the DNS addresses?
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Expert Comment

by:Sushil Sonawane
ID: 39896872
As per your queries I think your DNS server ip address is private IP address like the series (192.168.0.0, 172.32.16.0, 10.0.0.0) which is you office dns server which is not publish on the internet hence you are unable to ping the your IP address.

When you are in office you are connected your office local area network so you are able to ping your dns server.

You also able to ping when you start the your VPN mean you are connected your office network so able to ping successfully your dns server.
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RickArnold earned 0 total points
ID: 39913464
I figured out what is going on.  

I think they have some kind of rule misapplied on the Sonic Wall that somehow is not letting DNS queries out.  However,  it is very weird because if all DNS queries were not getting out nobody would be able to surf the internet.  They can surf and get out.  

The way the client got around the ping issue for the stores is by adding the DNS entries to their DNS server.  For example store name mcdon4192.macdon.com has an entry on their internal DNS server that translates to public IP address.

The company let an admin go and he was probably making the entries because he could not figure out why the address could not be ping out to the public DNS address from the inside.  

The Company I think uses network solutions for their DNS.  So, until I put the DNS entry into their DNS server that address was not pingable.   When I logged onto the DNS server I found all the entries.  I thought I checked it, I must have been over tired and missed it.

Rick
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Author Closing Comment

by:RickArnold
ID: 39947224
I found out what was occurring on my own
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