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    DNS server in different country


    We are having an issue modifying the dns settings with out host in china With the most simple task as modifying an mx record however my question is, we have a dns server over here in the uk. If we was to change the nameserver to our dns server would this dramatically slow down the dns queries coming from china?
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    Originally Posted by liamsorsby
    We are having an issue modifying the dns settings with out host in china With the most simple task as modifying an mx record however my question is, we have a dns server over here in the uk. If we was to change the nameserver to our dns server would this dramatically slow down the dns queries coming from china?
    There is no straight forward answer to your question, because it depends on the individual situation. When it comes to DNS response times, there are 2 factors to consider. One is transit time over the network, and the other is how busy the DNS server is. Transit time will be affected by the country of origin, but sometimes you will get faster service from a distant DNS server. That is especially true if the distant already has the answer in cache. If your own DNS server does not offer recursion and is limited to acting as a nameserver only for a few domains, it is quite likely that response times will be better. If it is tied up doing recursion, then response times will probably be worse.

    J.A. Coutts

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