Recursion: The action taken when a DNS server is asked to query on behalf of a DNS resolver.

递归：采取的行动时，DNS服务器，请查询代表一个DNS解析。

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You may not end up with a DNS resolver in the same geographic location from where you're making the request.

你可能不会得到一个和你发送请求地理位置相同的DNS分析结果。

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This increases security by lessening the risks associated with running a public DNS resolver, which include cache poisoning.

通过减少与运行一个公开DNS解析者相关的风险，包括缓存中毒，增加了安全。

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According to Mr. Smith, "hosting providers, businesses, and people with a cloud server who set up their own DNS resolver" often neglect to configure their servers using proper security settings.

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