Domain Name System (response)
Flags: 0x8500 Standard query response, No error
1... .... .... .... = Response: Message is a response
.000 0... .... .... = Opcode: Standard query (0)
.... .1.. .... .... = Authoritative: Server is an authority for domain
.... ..0. .... .... = Truncated: Message is not truncated
.... ...1 .... .... = Recursion desired: Do query recursively
.... .... 0... .... = Recursion available: Server can't do recursive queries
.... .... .0.. .... = Z: reserved (0)
.... .... ..0. .... = Answer authenticated: Answer/authority portion was not authenticated by the server
.... .... ...0 .... = Non-authenticated data: Unacceptable
.... .... .... 0000 = Reply code: No error (0)
Questions: 1
Answer RRs: 1
Authority RRs: 0
Additional RRs: 0
Queries
github.com: type A, class IN
Name:
github.com [Name Length: 10]
[Label Count: 2]
Type: A (Host Address) (1)
Class: IN (0x0001)
Answers
github.com: type A, class IN, addr 127.0.0.1
Name:
github.com Type: A (Host Address) (1)
Class: IN (0x0001)
Time to live: 300 (5 minutes)
Data length: 4
Address: 127.0.0.1
[Time: 0.003968000 seconds]
202.96.128.86 冒充自己是
github.com 的权威伺服器