codebook.co.kr - dns.ninja

codebook.co.kr

DNSSEC⚠️ Not signed
NSns1.hosting.co.kr ⚠️ Not in zone NS records
A121.254.170.11🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary
NSns2.hosting.co.kr ⚠️ Not in zone NS records
A43.201.141.93🇰🇷 Amazon43.200.0.0/14 EC2 ICN Prefix
PTRec2-43-201-141-93.ap-northeast-2.compute.amazonaws.com
NSns3.hosting.co.kr ⚠️ Not in zone NS records
A121.254.170.12🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary
NSns4.hosting.co.kr ⚠️ Not in zone NS records
A43.201.141.93🇰🇷 Amazon43.200.0.0/14 EC2 ICN Prefix
PTRec2-43-201-141-93.ap-northeast-2.compute.amazonaws.com

co.kr

DNSSEC⚠️ Not signed
NSg.dns.kr ⭐ ⚠️ Not in parent delegation
NSb.dns.kr ⚠️ Not in parent delegation
NSc.dns.kr ⚠️ Not in parent delegation
NSd.dns.kr ⚠️ Not in parent delegation
NSe.dns.kr ⚠️ Not in parent delegation
NSf.dns.kr ⚠️ Not in parent delegation
SOAg.dns.krdomain-manager@nic.or.kr serial=2606080881
WOT: UNKNOWN (62/100)

Same first word

Similar names

DNS History

13 records (4 active, 9 former)

20162017201820192020202120222023202420252026NSns1.hosting.co.krns2.hosting.co.krns3.hosting.co.krns4.hosting.co.krns1.sdsns.comns2.sdsns.comns59.domaincontrol.comns60.domaincontrol.comMXmail.codebook.co.krA211.239.157.9150.63.202.6375.2.85.4299.83.196.71
NSns1.hosting.co.kr2026-04-08 → 2026-06-08 · 3 obs
○ 2020-03-10 10:51:04
● 2026-04-08 17:54:14
● 2026-06-08 09:13:34
NSns1.sdsns.com2015-06-11 → 2017-03-18 · 6 obs
● 2015-06-11 00:09:54
● 2016-02-12 11:09:42
○ 2016-06-25 20:41:08
● 2017-03-18 10:50:26
○ 2020-03-10 10:51:04
○ 2026-06-08 09:13:34
NSns2.hosting.co.kr2026-04-08 → 2026-06-08 · 3 obs
○ 2020-03-10 10:51:04
● 2026-04-08 17:54:14
● 2026-06-08 09:13:34
NSns2.sdsns.com2015-06-11 → 2017-03-18 · 6 obs
● 2015-06-11 00:09:54
● 2016-02-12 11:09:42
○ 2016-06-25 20:41:08
● 2017-03-18 10:50:26
○ 2020-03-10 10:51:04
○ 2026-06-08 09:13:34
NSns3.hosting.co.kr2026-04-08 → 2026-06-08 · 3 obs
○ 2020-03-10 10:51:04
● 2026-04-08 17:54:14
● 2026-06-08 09:13:34
NSns4.hosting.co.kr2026-04-08 → 2026-06-08 · 3 obs
○ 2020-03-10 10:51:04
● 2026-04-08 17:54:14
● 2026-06-08 09:13:34
NSns59.domaincontrol.com2020-03-10 → 2020-03-10 · 4 obs
○ 2017-03-18 10:50:26
● 2020-03-10 10:51:04
○ 2026-04-08 17:54:14
○ 2026-06-08 09:13:34
NSns60.domaincontrol.com2020-03-10 → 2020-03-10 · 4 obs
○ 2017-03-18 10:50:26
● 2020-03-10 10:51:04
○ 2026-04-08 17:54:14
○ 2026-06-08 09:13:34
MXmail.codebook.co.kr2015-06-11 → 2017-03-18 · 6 obs
● 2015-06-11 00:09:54
● 2016-02-12 11:09:42
○ 2016-06-25 20:41:08
● 2017-03-18 10:50:26
○ 2020-03-10 10:51:04
○ 2026-06-08 09:13:34
A211.239.157.912015-06-11 → 2017-03-18 · 6 obs
● 2015-06-11 00:09:54
● 2016-02-12 11:09:42
○ 2016-06-25 20:41:08
● 2017-03-18 10:50:26
○ 2020-03-10 10:51:04
○ 2026-06-08 09:13:34
A50.63.202.632020-03-10 → 2020-03-10 · 4 obs
○ 2017-03-18 10:50:26
● 2020-03-10 10:51:04
○ 2026-04-08 17:54:14
○ 2026-06-08 09:13:34
A75.2.85.422026-04-08 → 2026-05-11 · 7 obs
○ 2020-03-10 10:51:04
● 2026-04-08 17:54:14
○ 2026-04-09 04:06:58
● 2026-05-10 04:29:20
● 2026-05-11 01:18:08
○ 2026-05-12 17:17:26
○ 2026-06-08 09:13:34
A99.83.196.712026-04-08 → 2026-05-11 · 7 obs
○ 2020-03-10 10:51:04
● 2026-04-08 17:54:14
○ 2026-04-09 04:06:58
● 2026-05-10 04:29:20
● 2026-05-11 01:18:08
○ 2026-05-12 17:17:26
○ 2026-06-08 09:13:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
krb.dns.kr, c.dns.kr, d.dns.kr, e.dns.kr...-
codebook.co.krns4.hosting.co.kr, ns3.hosting.co.kr, ns1.hosting.co.kr, ns2.hosting.co.kr4 records

✅ Authoritative Response

Server:43.201.141.93

NS records: ns4.hosting.co.kr, ns3.hosting.co.kr, ns1.hosting.co.kr, ns2.hosting.co.kr

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for codebook.co.kr (unsigned zone)

⏱️ Timing

Total: 1188ms | Queries: -

📄 Records

TypeCountSample Data
A299.83.196.71, 75.2.85.42
NS2ns1.hosting.co.kr, ns2.hosting.co.kr
SOA1ns1.hosting.co.kr admin.codebook.co.kr

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns4.hosting.co.kr, ns3.hosting.co.kr, ns2.hosting.co.kr...)

Analysis

Name Servers

The DNS delegation for codebook.co.kr covers 4 name servers — ns1.hosting.co.kr, ns2.hosting.co.kr, ns3.hosting.co.kr and ns4.hosting.co.kr.

codebook.co.kr shares at least some of its name servers with other domains, including sjyp.co.kr, anxwer.com, cenpro.com and two others.

ns1.hosting.co.kr, ns2.hosting.co.kr, ns3.hosting.co.kr and ns4.hosting.co.kr each resolve to a single IP address: ns1.hosting.co.kr resolves to 121.254.170.11, ns2.hosting.co.kr resolves to 43.201.141.93, ns3.hosting.co.kr resolves to 121.254.170.12 and ns4.hosting.co.kr resolves to 43.201.141.93.

ns2.hosting.co.kr and ns4.hosting.co.kr each have 43.201.141.93 IP addresses.