C:\Users\*******>nslookup
預設伺服器: dns1.****.isc
Address: 10.0.231.11
> set d2
> FQDN
伺服器: dns1.****.isc
Address: 10.0.231.11
------------
SendRequest(), len 22
HEADER:
opcode = QUERY, id = 2, rcode = NOERROR
header flags: query, want recursion
questions = 1, answers = 0, authority records = 0, additional = 0
QUESTIONS:
FQDN, type = A, class = IN
------------
------------
Got answer (22 bytes):
HEADER:
opcode = QUERY, id = 2, rcode = SERVFAIL
header flags: response, want recursion, recursion avail.
questions = 1, answers = 0, authority records = 0, additional = 0
QUESTIONS:
FQDN, type = A, class = IN
------------
------------
SendRequest(), len 22
HEADER:
opcode = QUERY, id = 3, rcode = NOERROR
header flags: query, want recursion
questions = 1, answers = 0, authority records = 0, additional = 0
QUESTIONS:
FQDN, type = AAAA, class = IN
------------
------------
Got answer (22 bytes):
HEADER:
opcode = QUERY, id = 3, rcode = SERVFAIL
header flags: response, want recursion, recursion avail.
questions = 1, answers = 0, authority records = 0, additional = 0
QUESTIONS:
FQDN, type = AAAA, class = IN
------------
*** dns1.crsc.isc 找不到 FQDN: Server failed
>