java实现dns报文解析

import org.xbill.DNS.*;

public class DNSParser {
    public static void main(String[] args) {
        try {
            // 创建一个DNS报文解析器
            Resolver resolver = new SimpleResolver();

            // 发送DNS查询请求并获取响应
            Message query = Message.newQuery(Record.newRecord(Name.fromString("example.com."), Type.A, DClass.IN));
            Message response = resolver.send(query);

            // 解析响应中的资源记录
            Record[] answers = response.getSectionArray(Section.ANSWER);
            for (Record answer : answers) {
                if (answer.getType() == Type.A) {
                    ARecord aRecord = (ARecord) answer;
                    System.out.println("IP Address: " + aRecord.getAddress().getHostAddress());
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}