codebook.co.kr - dns.ninja
codebook.co.kr
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.hosting.co.kr ⚠️ Not in zone NS records | ||||||
| A | 121.254.170.11🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary | ||||||
| NS | ns2.hosting.co.kr ⚠️ Not in zone NS records | ||||||
| A | 43.201.141.93🇰🇷 Amazon43.200.0.0/14 EC2 ICN Prefix | ||||||
| PTR | ec2-43-201-141-93.ap-northeast-2.compute.amazonaws.com | ||||||
| NS | ns3.hosting.co.kr ⚠️ Not in zone NS records | ||||||
| A | 121.254.170.12🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary | ||||||
| NS | ns4.hosting.co.kr ⚠️ Not in zone NS records | ||||||
| A | 43.201.141.93🇰🇷 Amazon43.200.0.0/14 EC2 ICN Prefix | ||||||
| PTR | ec2-43-201-141-93.ap-northeast-2.compute.amazonaws.com | ||||||
co.kr
| DNSSEC | ⚠️ Not signed | ||||||
| NS | g.dns.kr ⭐ ⚠️ Not in parent delegation | ||||||
| NS | b.dns.kr ⚠️ Not in parent delegation | ||||||
| NS | c.dns.kr ⚠️ Not in parent delegation | ||||||
| NS | d.dns.kr ⚠️ Not in parent delegation | ||||||
| NS | e.dns.kr ⚠️ Not in parent delegation | ||||||
| NS | f.dns.kr ⚠️ Not in parent delegation | ||||||
| SOA | g.dns.krdomain-manager@nic.or.kr serial=2606080881 | ||||||
Same first word
Similar names
decoboko.jp |
codekobo.com |
edocbook.com |
decobook.fr |
dekoboco.com |
decobook.com |
decobook.nl |
koobedoc.com |
bookcode.it |
bookcode.com |
bokocode.com |
kobocode.com |
decobook.gr |
DNS History
13 records (4 active, 9 former)
●NSns1.hosting.co.kr2026-04-08 → 2026-06-08 · 3 obs
● 2026-04-08 17:54:14
● 2026-06-08 09:13:34
○NSns1.sdsns.com2015-06-11 → 2017-03-18 · 6 obs
● 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
● 2026-04-08 17:54:14
● 2026-06-08 09:13:34
○NSns2.sdsns.com2015-06-11 → 2017-03-18 · 6 obs
● 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
● 2026-04-08 17:54:14
● 2026-06-08 09:13:34
●NSns4.hosting.co.kr2026-04-08 → 2026-06-08 · 3 obs
● 2026-04-08 17:54:14
● 2026-06-08 09:13:34
○NSns59.domaincontrol.com2020-03-10 → 2020-03-10 · 4 obs
● 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
● 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
● 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
● 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
● 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
● 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
● 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
| Zone | Nameservers | Glue |
|---|---|---|
| kr | b.dns.kr, c.dns.kr, d.dns.kr, e.dns.kr... | - |
| codebook.co.kr | ns4.hosting.co.kr, ns3.hosting.co.kr, ns1.hosting.co.kr, ns2.hosting.co.kr | 4 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
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 99.83.196.71, 75.2.85.42 |
| NS | 2 | ns1.hosting.co.kr, ns2.hosting.co.kr |
| SOA | 1 | ns1.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.