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I work on a ISP in Africa. Our customers were being redirected to Google cache in South Africa. Apparently with no reason, they start being redirected to Google US, which for us has higher latencies (avg: 400 ms).

How can I contact Google to fix this DNS Geolocation issue? Or, what can I do?

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Which DNS resolvers are you using? Running your or relying on free DNS services? This redirection to US could be because of the customers using a different DNS resolver, one hosted in US maybe? –  Sameer Feb 20 '11 at 13:46
    
I'm using our DNS server. –  Andre Feb 20 '11 at 16:39
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3 Answers

up vote 2 down vote accepted

Have you attempted to contact Google's NOC regarding this issue? As per Google's PeeringDB records, they can be contacted at noc [at] google [dot] com

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thank you very much! Google NOC already answered me and is taking a look at the problem. –  Andre Feb 21 '11 at 11:52
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Your experiencing issues with google's GEO IP tool; you can fix this by going here where you can register your companies IP block with them and they'll fix it.

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Jacob already linked to the correct place to get Geolocation data fixed.

Geolocation is done based on the address of your recursive DNS resolver, and not the IP of the host running a web browser.

Due to this, a workaround for this problem is:

  • Find someone else nearby with a recursive resolver
  • Test to see if www.l.google.com is being geolocated properly
  • If so, configure your recursive nameserver to send all queries for google.com to the other recursive resolver with correct geolocation.
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