Please be informed that we have detected some issues in the default DNS resolvers which results in Server performance to be slow down. Due to this problem, your server may not be able to resolve the domain names, which might cause many depended issues. In order to resolve the associated problems, we request you to please change your server default DNS resolvers to Google Public DNS.
Kindly refer to the below provided KB in order to achieve the same.
Please feel free to contact us if you are facing any difficulties while performing the same.
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