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低价反向梯度
原标题:cheap reverse dns lookup
  • 时间:2012-01-14 13:20:10
  •  标签:
  • asp.net

目前,我正在按4年框架运行。 我发现,我守则中有一节对我来说是真正昂贵的。 目前,我收到IP地址和供用户访问我的现场的倒转线,但我正试图牢记业绩。

是否有更廉价的替代办法来替代这一点?

return System.Net.Dns.GetHostEntry(HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"]).HostName;
问题回答

由于<代码>ServerVariablesindexer Return a string, 您的代码snippet calls on the 。 其文件描述了三步调查算法,有两处不同的查询。 GetHostEntry IPAddress overload documentation don t描述了任何类似的过程,因此或许可以节省一个询问。 之后,它似乎提供了同样的信息(所有IP地址和东道名称),因此,它可能同样,但只是有不同的记录。





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