java应用会反向dns解析ip

import java.net.InetAddress;
import java.net.UnknownHostException;

public class ReverseDNSLookupExample {
    public static void main(String[] args) {
        try {
            String ipAddress = "192.168.0.1";
            byte[] ipAddressBytes = InetAddress.getByName(ipAddress).getAddress();

            // 倒序排列字节数组
            byte[] reversedIpAddressBytes = new byte[ipAddressBytes.length];
            for (int i = 0; i < ipAddressBytes.length; i++) {
                reversedIpAddressBytes[i] = ipAddressBytes[ipAddressBytes.length - 1 - i];
            }

            InetAddress reversedIpAddress = InetAddress.getByAddress(reversedIpAddressBytes);
            String hostname = reversedIpAddress.getHostName();

            System.out.println("IP地址：" + ipAddress);
            System.out.println("反向DNS解析结果：" + hostname);
        } catch (UnknownHostException e) {
            e.printStackTrace();
        }
    }
}