eduration.co.kr - robtex.com

eduration.co.kr

DNSSEC⚠️ Not signed
A3.171.100.69🇺🇸 Amazon3.171.100.0/22
PTRserver-3-171-100-69.iad12.r.cloudfront.net
A3.171.100.95🇺🇸 Amazon3.171.100.0/22
A3.171.100.125🇺🇸 Amazon3.171.100.0/22
A3.171.100.128🇺🇸 Amazon3.171.100.0/22
NSbns1.hostcocoa.com ⭐
A205.251.192.254🇺🇸 Amazon205.251.192.0/24 prefix
PTRns-254.awsdns-31.com
NSbns2.hostcocoa.com
A205.251.194.231🇺🇸 Amazon205.251.194.0/24 prefix
PTRns-743.awsdns-28.net
NSbns3.hostcocoa.com
A205.251.196.209🇺🇸 Amazon205.251.196.0/24 prefix
PTRns-1233.awsdns-26.org
NSbns4.hostcocoa.com
A205.251.198.107🇺🇸 Amazon205.251.198.0/24 prefix
PTRns-1643.awsdns-13.co.uk
MXspam.eduration.co.kr ⭐
A61.100.7.35🇰🇷 HOSTWAY-AS-KR61.100.7.0/24 SejongTelecom.co.ltd
PTRspam5.enage.com
PTRspam.kocelec.com
SOAbns1.hostcocoa.comawsdns-hostmaster@amazon.com serial=1

co.kr

DNSSEC🔒 Signed (DS record present)
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=2602170541
WOT: UNKNOWN (62/100)

Subdomains

spam.eduration.co.kr

Same first word

eduration.co.kr
eduration.com

Similar names

radiotune.com
audiorent.com
audiorent.no
audiorent.nl
audiorent.net
audiorent.de
autodiner.com
audiorent.eu
rainedout.com
auditoren.com
audiorent.se
audietron.com
donuteria.com
enturadio.com
rainedout.net
audiorent.it
audiorent.ax
daitouren.com
audiorent.be
audiorent.pt
derinauto.com
radiotune.fm
tairouden.com
rentaudio.de
radiotune.in

DNS History

21 records (9 active, 12 former)

NSbns1.hostcocoa.combns2.hostcocoa.combns3.hostcocoa.combns4.hostcocoa.comMXspam.eduration.co.krA3.171.100.1253.171.100.1283.171.100.693.171.100.9513.249.91.10113.249.91.2113.249.91.2313.249.91.318.239.168.11218.239.168.718.239.168.7618.239.168.952.222.177.10352.222.177.4652.222.177.6152.222.177.97
●NSbns1.hostcocoa.com2026-03-06 → 2026-03-09 · 2 obs
● 2026-03-06 11:36:58
● 2026-03-09 09:58:30
●NSbns2.hostcocoa.com2026-03-06 → 2026-03-09 · 2 obs
● 2026-03-06 11:36:58
● 2026-03-09 09:58:30
●NSbns3.hostcocoa.com2026-03-06 → 2026-03-09 · 2 obs
● 2026-03-06 11:36:58
● 2026-03-09 09:58:30
●NSbns4.hostcocoa.com2026-03-06 → 2026-03-09 · 2 obs
● 2026-03-06 11:36:58
● 2026-03-09 09:58:30
●MXspam.eduration.co.kr2026-03-06 → 2026-03-09 · 2 obs
● 2026-03-06 11:36:58
● 2026-03-09 09:58:30
○A13.249.91.1012026-03-08 → 2026-03-08 · 6 obs
○ 2026-03-08 06:26:06
● 2026-03-08 18:29:30
○ 2026-03-08 21:35:10
● 2026-03-08 22:08:16
○ 2026-03-08 23:07:04
○ 2026-03-09 09:58:30
○A13.249.91.212026-03-08 → 2026-03-08 · 6 obs
○ 2026-03-08 06:26:06
● 2026-03-08 18:29:30
○ 2026-03-08 21:35:10
● 2026-03-08 22:08:16
○ 2026-03-08 23:07:04
○ 2026-03-09 09:58:30
○A13.249.91.232026-03-08 → 2026-03-08 · 6 obs
○ 2026-03-08 06:26:06
● 2026-03-08 18:29:30
○ 2026-03-08 21:35:10
● 2026-03-08 22:08:16
○ 2026-03-08 23:07:04
○ 2026-03-09 09:58:30
○A13.249.91.32026-03-08 → 2026-03-08 · 6 obs
○ 2026-03-08 06:26:06
● 2026-03-08 18:29:30
○ 2026-03-08 21:35:10
● 2026-03-08 22:08:16
○ 2026-03-08 23:07:04
○ 2026-03-09 09:58:30
○A18.239.168.1122026-03-08 → 2026-03-08 · 4 obs
○ 2026-03-08 22:08:16
● 2026-03-08 23:07:04
○ 2026-03-09 03:01:16
○ 2026-03-09 09:58:30
○A18.239.168.72026-03-08 → 2026-03-08 · 4 obs
○ 2026-03-08 22:08:16
● 2026-03-08 23:07:04
○ 2026-03-09 03:01:16
○ 2026-03-09 09:58:30
○A18.239.168.762026-03-08 → 2026-03-08 · 4 obs
○ 2026-03-08 22:08:16
● 2026-03-08 23:07:04
○ 2026-03-09 03:01:16
○ 2026-03-09 09:58:30
○A18.239.168.92026-03-08 → 2026-03-08 · 4 obs
○ 2026-03-08 22:08:16
● 2026-03-08 23:07:04
○ 2026-03-09 03:01:16
○ 2026-03-09 09:58:30
●A3.171.100.1252026-03-06 → 2026-03-09 · 8 obs
● 2026-03-06 11:36:58
○ 2026-03-06 16:17:40
● 2026-03-06 23:46:32
● 2026-03-07 16:41:06
○ 2026-03-08 06:26:06
○ 2026-03-09 03:01:16
● 2026-03-09 09:58:26
● 2026-03-09 09:58:30
●A3.171.100.1282026-03-06 → 2026-03-09 · 8 obs
● 2026-03-06 11:36:58
○ 2026-03-06 16:17:40
● 2026-03-06 23:46:32
● 2026-03-07 16:41:06
○ 2026-03-08 06:26:06
○ 2026-03-09 03:01:16
● 2026-03-09 09:58:26
● 2026-03-09 09:58:30
●A3.171.100.692026-03-06 → 2026-03-09 · 8 obs
● 2026-03-06 11:36:58
○ 2026-03-06 16:17:40
● 2026-03-06 23:46:32
● 2026-03-07 16:41:06
○ 2026-03-08 06:26:06
○ 2026-03-09 03:01:16
● 2026-03-09 09:58:26
● 2026-03-09 09:58:30
●A3.171.100.952026-03-06 → 2026-03-09 · 8 obs
● 2026-03-06 11:36:58
○ 2026-03-06 16:17:40
● 2026-03-06 23:46:32
● 2026-03-07 16:41:06
○ 2026-03-08 06:26:06
○ 2026-03-09 03:01:16
● 2026-03-09 09:58:26
● 2026-03-09 09:58:30
○A52.222.177.1032026-03-06 → 2026-03-09 · 12 obs
○ 2026-03-06 11:36:58
● 2026-03-06 16:17:40
○ 2026-03-06 23:46:32
○ 2026-03-07 16:41:06
● 2026-03-08 06:26:06
○ 2026-03-08 18:29:30
● 2026-03-08 21:35:10
○ 2026-03-08 22:08:16
○ 2026-03-08 23:07:04
● 2026-03-09 03:01:16
○ 2026-03-09 09:58:26
○ 2026-03-09 09:58:30
○A52.222.177.462026-03-06 → 2026-03-09 · 12 obs
○ 2026-03-06 11:36:58
● 2026-03-06 16:17:40
○ 2026-03-06 23:46:32
○ 2026-03-07 16:41:06
● 2026-03-08 06:26:06
○ 2026-03-08 18:29:30
● 2026-03-08 21:35:10
○ 2026-03-08 22:08:16
○ 2026-03-08 23:07:04
● 2026-03-09 03:01:16
○ 2026-03-09 09:58:26
○ 2026-03-09 09:58:30
○A52.222.177.612026-03-06 → 2026-03-09 · 12 obs
○ 2026-03-06 11:36:58
● 2026-03-06 16:17:40
○ 2026-03-06 23:46:32
○ 2026-03-07 16:41:06
● 2026-03-08 06:26:06
○ 2026-03-08 18:29:30
● 2026-03-08 21:35:10
○ 2026-03-08 22:08:16
○ 2026-03-08 23:07:04
● 2026-03-09 03:01:16
○ 2026-03-09 09:58:26
○ 2026-03-09 09:58:30
○A52.222.177.972026-03-06 → 2026-03-09 · 12 obs
○ 2026-03-06 11:36:58
● 2026-03-06 16:17:40
○ 2026-03-06 23:46:32
○ 2026-03-07 16:41:06
● 2026-03-08 06:26:06
○ 2026-03-08 18:29:30
● 2026-03-08 21:35:10
○ 2026-03-08 22:08:16
○ 2026-03-08 23:07:04
● 2026-03-09 03:01:16
○ 2026-03-09 09:58:26
○ 2026-03-09 09:58:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
krb.dns.kr, c.dns.kr, d.dns.kr, e.dns.kr...-
eduration.co.krbns1.hostcocoa.com, bns2.hostcocoa.com, bns3.hostcocoa.com, bns4.hostcocoa.com-

✅ Authoritative Response

Server: 205.251.196.209

NS records: bns1.hostcocoa.com, bns2.hostcocoa.com, bns3.hostcocoa.com, bns4.hostcocoa.com

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

Validation error at kr: Error: DNS query timeout: 210.101.60.1 for DNSKEY kr

⏱️ Timing

Total: 3909ms | Queries: -

📄 Records

TypeCountSample Data
A43.171.100.95, 3.171.100.69...
NS4bns1.hostcocoa.com, bns2.hostcocoa.com...
MX1spam.eduration.co.kr (pri: 5)
SOA1bns1.hostcocoa.com awsdns-hostmaster.ama

Analysis

Hierarchy

spam.eduration.co.kr is a child of eduration.co.kr.

IP Addresses

eduration.co.kr refers to four IP numbers: 3.171.100.69, 3.171.100.95, 3.171.100.125 and 3.171.100.128.

Other host names, for instance elix.sr, cliftonsurgerycenter.com, dx9o1w8cpa2ph.cloudfront.net, www.victorinsurance.ca and live.prd.sportfondsen-website.lukkien.com share IP numbers with eduration.co.kr.

Name Servers

eduration.co.kr delegates to four name servers: bns1.hostcocoa.com, bns2.hostcocoa.com, bns3.hostcocoa.com and bns4.hostcocoa.com.

eduration.co.kr at least partially shares name servers with other domains, including caffeineguitar.com, thec.co.kr, medilinx.co.kr, namjeon.co.kr and 111prs.com.

Host names with one IP number:

bns1.hostcocoa.com points to 205.251.192.254; bns2.hostcocoa.com points to 205.251.194.231; bns3.hostcocoa.com points to 205.251.196.209; bns4.hostcocoa.com points to 205.251.198.107.

Mail Servers

A single mail server handles eduration.co.kr, spam.eduration.co.kr.

Host name spam.eduration.co.kr resolves to a single IP: 61.100.7.35.