图上是代码，运行结果是
UDP Header: Length = 39, Checksum = 24978
IP Header: Total Length = 59, Checksum = 28056
Request DNS query domain: www.baidu.com, DNS server IP:网页链接 emission:
Finished sending 1 packets.
Received 153 packets, got 0 answers, remaining 1 packets
Process finished with exit code 0
预计结果会有1 answers，并且打印出来以下内容
www.baidu.com. type 5, class 1, addr b'www.a.shifen.com.'
www.a.shifen.com. type 5, class 1, addr b'www.wshifen.com.'
www.wshifen.com. type 1, class 1, addr
但总是0 answers
有意+q
2434739979
UDP Header: Length = 39, Checksum = 24978
IP Header: Total Length = 59, Checksum = 28056
Request DNS query domain: www.baidu.com, DNS server IP:网页链接 emission:
Finished sending 1 packets.
Received 153 packets, got 0 answers, remaining 1 packets
Process finished with exit code 0
预计结果会有1 answers，并且打印出来以下内容
www.baidu.com. type 5, class 1, addr b'www.a.shifen.com.'
www.a.shifen.com. type 5, class 1, addr b'www.wshifen.com.'
www.wshifen.com. type 1, class 1, addr
但总是0 answers
有意+q
2434739979
