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。
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。
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。
For example, if you call on a DNS resolver to get information (such as the canonical name of an IP address), remember that this data might be directly provided by an attacker.
例如，如果您调用了一个DNS解析程序来获得一些信息(例如ip地址所对应的域名)，就请记住这些数据可能会是由攻击者直接提供的。
For example, if you call on a DNS resolver to get information (such as the canonical name of an IP address), remember that this data might be directly provided by an attacker.
例如，如果您调用了一个DNS解析程序来获得一些信息(例如ip地址所对应的域名)，就请记住这些数据可能会是由攻击者直接提供的。
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