DNS扫描仪 [英] DNS scanner

问题描述

如何编写一个小程序来搜索可用的DNS服务器?我不知道从哪里开始.在某些示例中，只能将域名更改为IP地址.
但是，如何找出Internet中的DNS服务器?如何与DNS服务器通信?

How can I write a small program to search for available DNS servers? I have no idea about where to start. In some example, only domain name can be change to ip address.
But how to find out the DNS servers in Internet?How to communicate with the DNS servers?

推荐答案

如果您计划失败，那么您计划失败."

从这里开始，您可以帮助您了解所需的基础网络协议:

• http://en.wikipedia.org/wiki/Internet_Protocol [ http://en.wikipedia.org/wiki/Transmission_Control_Protocol [ http://en.wikipedia.org/wiki/User_Datagram_Protocol [ ^ ]
• http://en.wikipedia.org/wiki/Domain_Name_System [

"If you fail to plan, you plan to fail."

Here''s to help you start with understanding the required underlying networking protocols:

• http://en.wikipedia.org/wiki/Internet_Protocol[^]
• http://en.wikipedia.org/wiki/Transmission_Control_Protocol[^]
• http://en.wikipedia.org/wiki/User_Datagram_Protocol[^]
• http://en.wikipedia.org/wiki/Domain_Name_System[^]

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