java解析域名指定dns

import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.Properties;

public class DNSResolver {
    public static void main(String[] args) {
        try {
            // 设置DNS服务器
            Properties props = new Properties();
            props.setProperty("sun.net.spi.nameservice.nameservers", "8.8.8.8"); // 设置为Google DNS服务器
            props.setProperty("sun.net.spi.nameservice.provider.1", "dns,sun"); // 指定使用DNS解析
            sun.net.spi.nameservice.dns.DNSNameService.setProps(props);

            // 解析域名
            InetAddress[] addresses = InetAddress.getAllByName("example.com");
            for (InetAddress address : addresses) {
                System.out.println(address.getHostAddress());
            }
        } catch (UnknownHostException e) {
            e.printStackTrace();
        }
    }
}