域名解析错误安卓

import android.os.Bundle;
import android.util.Log;
import androidx.appcompat.app.AppCompatActivity;
import java.net.InetAddress;
import java.net.UnknownHostException;

public class MainActivity extends AppCompatActivity {
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        new Thread(new Runnable() {
            @Override
            public void run() {
                try {
                    InetAddress address = InetAddress.getByName("www.example.com");
                    Log.d("DNS", "IP Address: " + address.getHostAddress());
                } catch (UnknownHostException e) {
                    Log.e("DNS", "Unable to resolve domain name", e);
                }
            }
        }).start();
    }
}