elearning.kr - dns.ninja

elearning.kr

DNSSEC⚠️ Not signed
A121.88.249.28🇰🇷 CNM-AS-KR121.88.249.0/24 Proxy-Registered Route Object by LG Dacom(AS3786)
NSns3.nuke.kr ⭐ ⚠️ Not in parent delegation
A121.88.249.28🇰🇷 CNM-AS-KR121.88.249.0/24 Proxy-Registered Route Object by LG Dacom(AS3786)
NSns1.nuke.kr ⚠️ Not in zone NS records
NSns2.nuke.kr ⚠️ Not in zone NS records
NSns4.nuke.kr ⚠️ Not in parent delegation
A121.88.249.28🇰🇷 CNM-AS-KR121.88.249.0/24 Proxy-Registered Route Object by LG Dacom(AS3786)
MXmail.elearning.kr ⭐
A121.88.249.28🇰🇷 CNM-AS-KR121.88.249.0/24 Proxy-Registered Route Object by LG Dacom(AS3786)
SOAns3.nuke.kradmin@nuke.kr 2010-01-29 #88

kr

DNSSEC🔒 Signed (DS record present)
NSg.dns.kr ⭐
NSb.dns.kr
NSc.dns.kr
NSd.dns.kr
NSe.dns.kr
NSf.dns.kr
SOAg.dns.krdomain-manager@nic.or.kr serial=2607040732

Subdomains

mail.elearning.kr

Same first word

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elearning.cc
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elearning.training

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DNS History

8 records (6 active, 2 former)

2017201820192020202120222023202420252026NSns1.nuke.krns2.nuke.krns3.nuke.krns4.nuke.krMXmail.elearning.krA121.88.249.28113.30.102.140222.122.85.107
●NSns1.nuke.kr2016-02-04 → 2026-07-04 · 5 obs
● 2016-02-04 04:29:50
● 2026-03-28 05:49:20
○ 2026-04-11 10:47:42
● 2026-05-11 15:04:40
● 2026-07-04 11:07:20
●NSns2.nuke.kr2016-02-04 → 2026-07-04 · 5 obs
● 2016-02-04 04:29:50
● 2026-03-28 05:49:20
○ 2026-04-11 10:47:42
● 2026-05-11 15:04:40
● 2026-07-04 11:07:20
●NSns3.nuke.kr2026-02-17 → 2026-07-04 · 6 obs
○ 2016-02-04 04:29:50
● 2026-02-17 06:53:48
● 2026-03-28 05:49:20
○ 2026-04-11 10:47:42
● 2026-05-11 15:04:40
● 2026-07-04 11:07:20
●NSns4.nuke.kr2026-02-17 → 2026-07-04 · 6 obs
○ 2016-02-04 04:29:50
● 2026-02-17 06:53:48
● 2026-03-28 05:49:20
○ 2026-04-11 10:47:42
● 2026-05-11 15:04:40
● 2026-07-04 11:07:20
●MXmail.elearning.kr2016-02-04 → 2026-07-04 · 5 obs
● 2016-02-04 04:29:50
● 2026-03-28 05:49:20
○ 2026-04-11 10:47:42
● 2026-05-11 15:04:40
● 2026-07-04 11:07:20
○A113.30.102.1402017-07-23 → 2017-08-30 · 5 obs
○ 2016-02-04 04:29:50
● 2017-07-23 19:26:02
● 2017-08-30 19:43:46
○ 2026-02-17 06:53:48
○ 2026-07-04 11:07:20
●A121.88.249.282026-02-17 → 2026-07-04 · 6 obs
○ 2017-08-30 19:43:46
● 2026-02-17 06:53:48
● 2026-03-28 05:49:20
○ 2026-04-11 10:47:42
● 2026-05-11 15:04:40
● 2026-07-04 11:07:20
○A222.122.85.1072016-02-04 → 2017-07-25 · 4 obs
● 2016-02-04 04:29:50
● 2017-07-25 23:36:02
○ 2017-08-30 19:43:46
○ 2026-07-04 11:07:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
krb.dns.kr, c.dns.kr, d.dns.kr, e.dns.kr...-
elearning.krns1.nuke.kr, ns2.nuke.kr2 records

✅ Authoritative Response

Server:121.88.249.28

NS records: ns1.nuke.kr, ns2.nuke.kr

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

Validation error at elearning.kr: Error: DNS query timeout: 210.101.60.1 for DS elearning.kr

⏱️ Timing

Total: 3825ms | Queries: -

📄 Records

TypeCountSample Data
A1121.88.249.28
NS2ns3.nuke.kr, ns4.nuke.kr
MX1mail.elearning.kr (pri: 10)
SOA1ns3.nuke.kr admin.nuke.kr

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns2.nuke.kr, ns1.nuke.kr)

Analysis

Hierarchy

mail.elearning.kr is delegated beneath elearning.kr.

IP Addresses

elearning.kr has exactly one IP address — 121.88.249.28.

photoalbum.kr, mail.elearning.kr, www.kpg.kr plus two other host names have IP numbers in common with elearning.kr.

Name Servers

Four name servers handle the delegation for elearning.kr: ns1.nuke.kr, ns2.nuke.kr, ns3.nuke.kr and ns4.nuke.kr.

elearning.kr shares at least some of its name servers with domains including photoalbum.kr, nuke.kr and kpg.kr

Both ns3.nuke.kr and ns4.nuke.kr have a single IP address, 121.88.249.28, and share it.

Host names pointing to 121.88.249.28 IP addresses: ns3.nuke.kr and ns4.nuke.kr.

Mail Servers

elearning.kr uses one mail server — mail.elearning.kr.

mail.elearning.kr has exactly one IP number: 121.88.249.28.