解析主机名的IP地址

Question

我有DNS服务器IP地址和主机名.

使用Java,如何使用IP地址和主机名找到该DNS服务器返回的主机名的IP地址？

Answer 1

看看InetAddress和getHostAddress()方法.

InetAddress address = InetAddress.getByName("www.example.com"); 
System.out.println(address.getHostAddress()); 

Answer 2

你可以这样做:

for(InetAddress addr : InetAddress.getAllByName("stackoverflow.com"))
    System.out.println(addr.getHostAddress());

Answer 3

您可以使用InetAddress.试试下面的代码,

InetAddress address = InetAddress.getByName("www.yahoo.com");
System.out.println(address.getHostAddress());
System.out.println(address.getHostName());