------------
Got answer:
HEADER:
opcode = QUERY, id = 1, rcode = NOERROR
header flags: response, want recursion, recursion avail.
questions = 1, answers = 1, authority records = 0, additional = 0
QUESTIONS:
8.8.8.8.in-addr.arpa, type = PTR, class = IN
ANSWERS:
-> 8.8.8.8.in-addr.arpa
ttl = 21599 (5 hours 59 mins 59 secs)
------------
Address: 8.8.8.8
------------
Got answer:
HEADER:
opcode = QUERY, id = 2, rcode = NXDOMAIN
header flags: response, want recursion, recursion avail.
questions = 1, answers = 0, authority records = 1, additional = 0
QUESTIONS:
www.epost.go.kr.5fcafe.ncia.local, type = A, class = IN
AUTHORITY RECORDS:
-> (root)
ttl = 86389 (23 hours 59 mins 49 secs)
refresh = 1800 (30 mins)
retry = 900 (15 mins)
expire = 604800 (7 days)
default TTL = 86400 (1 day)
------------
------------
Got answer:
HEADER:
opcode = QUERY, id = 3, rcode = NXDOMAIN
header flags: response, want recursion, recursion avail.
questions = 1, answers = 0, authority records = 1, additional = 0
QUESTIONS:
www.epost.go.kr.5fcafe.ncia.local, type = AAAA, class = IN
AUTHORITY RECORDS:
-> (root)
ttl = 86387 (23 hours 59 mins 47 secs)
refresh = 1800 (30 mins)
retry = 900 (15 mins)
expire = 604800 (7 days)
default TTL = 86400 (1 day)
------------
------------
Got answer:
HEADER:
opcode = QUERY, id = 4, rcode = NXDOMAIN
header flags: response, want recursion, recursion avail.
questions = 1, answers = 0, authority records = 1, additional = 0
QUESTIONS:
www.epost.go.kr.ncia.local, type = A, class = IN
AUTHORITY RECORDS:
-> (root)
ttl = 86395 (23 hours 59 mins 55 secs)
refresh = 1800 (30 mins)
retry = 900 (15 mins)
expire = 604800 (7 days)
default TTL = 86400 (1 day)
------------
------------
Got answer:
HEADER:
opcode = QUERY, id = 5, rcode = NXDOMAIN
header flags: response, want recursion, recursion avail.
questions = 1, answers = 0, authority records = 1, additional = 0
QUESTIONS:
www.epost.go.kr.ncia.local, type = AAAA, class = IN
AUTHORITY RECORDS:
-> (root)
ttl = 86382 (23 hours 59 mins 42 secs)
refresh = 1800 (30 mins)
retry = 900 (15 mins)
expire = 604800 (7 days)
default TTL = 86400 (1 day)
------------
------------
Got answer:
HEADER:
opcode = QUERY, id = 6, rcode = SERVFAIL
header flags: response, want recursion, recursion avail.
questions = 1, answers = 0, authority records = 0, additional = 0
QUESTIONS:
------------
------------
Got answer:
HEADER:
opcode = QUERY, id = 7, rcode = SERVFAIL
header flags: response, want recursion, recursion avail.
questions = 1, answers = 0, authority records = 0, additional = 0
QUESTIONS:
------------
Server failed
------------
Got answer:
HEADER:
opcode = QUERY, id = 1, rcode = NOERROR
header flags: response, want recursion, recursion avail.
questions = 1, answers = 1, authority records = 0, additional = 0
QUESTIONS:
8.8.8.8.in-addr.arpa, type = PTR, class = IN
ANSWERS:
-> 8.8.8.8.in-addr.arpa
ttl = 21599 (5 hours 59 mins 59 secs)
------------
Address: 8.8.8.8
------------
Got answer:
HEADER:
opcode = QUERY, id = 2, rcode = NXDOMAIN
header flags: response, want recursion, recursion avail.
questions = 1, answers = 0, authority records = 1, additional = 0
QUESTIONS:
www.epost.go.kr.5fcafe.ncia.local, type = A, class = IN
AUTHORITY RECORDS:
-> (root)
ttl = 86390 (23 hours 59 mins 50 secs)
refresh = 1800 (30 mins)
retry = 900 (15 mins)
expire = 604800 (7 days)
default TTL = 86400 (1 day)
------------
------------
Got answer:
HEADER:
opcode = QUERY, id = 3, rcode = NXDOMAIN
header flags: response, want recursion, recursion avail.
questions = 1, answers = 0, authority records = 1, additional = 0
QUESTIONS:
www.epost.go.kr.5fcafe.ncia.local, type = AAAA, class = IN
AUTHORITY RECORDS:
-> (root)
ttl = 86393 (23 hours 59 mins 53 secs)
refresh = 1800 (30 mins)
retry = 900 (15 mins)
expire = 604800 (7 days)
default TTL = 86400 (1 day)
------------
------------
Got answer:
HEADER:
opcode = QUERY, id = 4, rcode = NXDOMAIN
header flags: response, want recursion, recursion avail.
questions = 1, answers = 0, authority records = 1, additional = 0
QUESTIONS:
www.epost.go.kr.ncia.local, type = A, class = IN
AUTHORITY RECORDS:
-> (root)
ttl = 86394 (23 hours 59 mins 54 secs)
refresh = 1800 (30 mins)
retry = 900 (15 mins)
expire = 604800 (7 days)
default TTL = 86400 (1 day)
------------
------------
Got answer:
HEADER:
opcode = QUERY, id = 5, rcode = NXDOMAIN
header flags: response, want recursion, recursion avail.
questions = 1, answers = 0, authority records = 1, additional = 0
QUESTIONS:
www.epost.go.kr.ncia.local, type = AAAA, class = IN
AUTHORITY RECORDS:
-> (root)
ttl = 86398 (23 hours 59 mins 58 secs)
refresh = 1800 (30 mins)
retry = 900 (15 mins)
expire = 604800 (7 days)
default TTL = 86400 (1 day)
------------
------------
Got answer:
HEADER:
opcode = QUERY, id = 6, rcode = SERVFAIL
header flags: response, want recursion, recursion avail.
questions = 1, answers = 0, authority records = 0, additional = 0
QUESTIONS:
------------
------------
Got answer:
HEADER:
opcode = QUERY, id = 7, rcode = SERVFAIL
header flags: response, want recursion, recursion avail.
questions = 1, answers = 0, authority records = 0, additional = 0
QUESTIONS:
------------
Server failed
C:\Users\n83ksjeon2018>
- Step 4: Verify that Google Public DNS can resolve the selected hostname without performing DNSSEC validation