python源码，DNS解析方面的一部分功能代码，传一个包到DNS服务器，然后获取DNS服务器给你回传的地址，有多个地址也可以一起显示，里面的解释都很详细，应该能看明白。运行需要传2个参数（域名和DNS服务器IP地址）-python source code, DNS resolution in part of the function code, pass a packet to the DNS server, DNS server and then get to your return address, there are multiple addresses can also be displayed together, which are explained in detail, it should slow connection. Need to pass two parameters to run (domain name and DNS server IP address)