scapy库实现，，```python，from scapy.all import *，dns_query = IP(dst="8.8.8.8")/UDP(dport=53)/DNS(qd=[DNSQR(qname="example.com")])，send(dnscapy库实现，，```python，from scapy.all import *，dns_query = IP(dst="8.8.8.8")/UDP(dport=53)/DNS(qd=[DNSQR(qname="example.com")])，send(dnPowered By Z-BlogPHP 1.7.3
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