I can not access "mall.epost.go.kr, www.epost.go.kr ..." using Google public DNS
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jun...@gmail.com
Oct 31, 2018, 12:03:33 AM10/31/18
to public-dns-discuss
- The date and time you encountered the problem
→ No access to overseas users from October 26
- Your location
→ USA and Korea etc.
- The platform on which you are noticing the problem (e.g. Mac, Windows, router, etc.)
→ All platforms(windows, etc.)
- The hostname(s) for which you are having a problem
- Whether the problem is continuous or intermittent
→ constantly
- The links to the tools' name server diagnosis report page
- The output of the commands you ran in the diagnostic tests
- Step 1: Check to see if the authoritative name servers are correct
- Step 2: Verify that your client can communicate with the Google Public DNS servers
- Step 3: Verify that Google Public DNS can resolve the selected hostname
C:\Users\n83ksjeon2018>nslookup -debug www.epost.go.kr 8.8.8.8
------------
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)
primary name server = a.root-servers.net
responsible mail addr = nstld.verisign-grs.com
serial = 2018103002
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)
primary name server = a.root-servers.net
responsible mail addr = nstld.verisign-grs.com
serial = 2018103002
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)
primary name server = a.root-servers.net
responsible mail addr = nstld.verisign-grs.com
serial = 2018103002
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)
primary name server = a.root-servers.net
responsible mail addr = nstld.verisign-grs.com
serial = 2018103002
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:
www.epost.go.kr, type = A, class = IN
------------
------------
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:
www.epost.go.kr, type = AAAA, class = IN
------------
*** google-public-dns-a.google.com이(가) www.epost.go.kr을(를) 찾을 수 없습니다
Server failed
C:\Users\n83ksjeon2018>nslookup -debug www.epost.go.kr 8.8.8.8
------------
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)
primary name server = a.root-servers.net
responsible mail addr = nstld.verisign-grs.com
serial = 2018103002
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)
primary name server = a.root-servers.net
responsible mail addr = nstld.verisign-grs.com
serial = 2018103002
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)
primary name server = a.root-servers.net
responsible mail addr = nstld.verisign-grs.com
serial = 2018103002
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)
primary name server = a.root-servers.net
responsible mail addr = nstld.verisign-grs.com
serial = 2018103002
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:
www.epost.go.kr, type = A, class = IN
------------
------------
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:
www.epost.go.kr, type = AAAA, class = IN
------------
*** google-public-dns-a.google.com이(가) www.epost.go.kr을(를) 찾을 수 없습니다
Server failed
C:\Users\n83ksjeon2018>
- Step 4: Verify that Google Public DNS can resolve the selected hostname without performing DNSSEC validation
C:\Users\n83ksjeon2018>nslookup www.epost.go.kr 4.2.2.1
Address: 4.2.2.1
권한 없는 응답:
Address: 211.250.131.141
Aliases: www.epost.go.kr
C:\Users\n83ksjeon2018>nslookup www.epost.go.kr 4.2.2.2
Address: 4.2.2.2
권한 없는 응답:
Address: 211.250.131.141
Aliases: www.epost.go.kr
C:\Users\n83ksjeon2018>nslookup www.epost.go.kr 208.67.222.222
Address: 208.67.222.222
권한 없는 응답:
Address: 211.250.131.141
Aliases: www.epost.go.kr
C:\Users\n83ksjeon2018>nslookup www.epost.go.kr 208.67.220.220
Address: 208.67.220.220
권한 없는 응답:
Address: 211.250.131.141
Aliases: www.epost.go.kr
Overseas users "www.epost.go.kr, etc." This is an issue that we are not able to connect. Please give me a solution so that it can be resolved quickly.
Thank you.
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