kctl.co.kr - robtex.com

kctl.co.kr

DNSSEC⚠️ Not signed
A183.111.138.169🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM
NSnsa.perf1.fr ⭐
A2a01:c8:100::100🇫🇷 NAMESHIELD2a01:c8:100::/40 ANYCAST1-1
PTRnsa.perf1.fr
A81.92.94.100🇫🇷 NAMESHIELD81.92.94.0/23 ANYCAST1-1
PTRnsa.perf1.fr
NSnsb.perf1.com
A2a01:c8:101::100🇫🇷 NAMESHIELD2a01:c8:100::/40 ANYCAST1-1
PTRnsb.perf1.com
A81.92.95.100🇫🇷 NAMESHIELD81.92.94.0/23 ANYCAST1-1
PTRnsb.perf1.com
NSnsc.perf1.com
A2a09:35c0:102::100🇫🇷 NAMESHIELDGRP2a09:35c0:100::/40 NAMESHIELD ANYCAST1-2
PTRnsc.perf1.com
A152.89.172.100🇫🇷 NAMESHIELDGRP152.89.172.0/23 NAMESHIELD ANYCAST1-2
PTRnsc.perf1.com
MXspam.kctl.co.kr ⭐
A210.113.72.55🇰🇷 KT-NET210.113.0.0/16 KORnet operation Center
PTRspam.kctl.co.kr
MXmail.kctl.co.kr(10)
A210.113.72.60🇰🇷 KT-NET210.113.0.0/16 KORnet operation Center
PTRmail.kctl.co.kr
TXTv=spf1 ip4:210.113.72.51 ip4:210.113.72.52 ip4:210.113.72.53 ip4:210.113.72.5...
TXTgoogle-site-verification=JQoRQ3qpzSo4mAQaXATEPoIwmjuTiPdTF-hK4pDZRXo
SOAnsa.perf1.frtechnical@nameshield.net 2026-03-03 #5

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=2607140843
WOT: UNKNOWN (62/100)

Previously NS for

kctl.co.kr

Subdomains

spam.kctl.co.kr
mail.kctl.co.kr

Same first word

kctl.com
kctl.co.kr
kctl.de
kctl.org

Similar names

lktc.cz
cltk.cz
lktc.ru
cktl.co
lktc.xyz
kltc.eu
tklc.com
tkcl.co.uk
kltc.com
ktcl.com
cktl.com
tckl.de
cktl.fr
cktl.net
cltk.org
tlkc.cn
tlck.org.tr
tkcl.me
cktl.horse
cltk.com
ltkc.cn
lktc.cn
kltc.ch
tclk.com
tkcl.org
tkcl.com
ktlc.org
clkt.com
ltck.com
lktc.vn
tkcl.cn
lctk.com
tclk.ru
ctlk.co
tckl.com
kltc.lt
tklc.be
ktlc.net
clkt.org
tlkc.de
ktlc.us
cktl.se
tclk.de
tclk.cn
kltc.cn
klct.com
lktc.de
lkct.com
ktcl.co.uk
tlck.com
kltc.be
tklc.ca
ctkl.cn
ktlc.us.com
ktcl.org.my
ctkl.de
clkt.xyz
kclt.org
ktlc.co.kr
ltkc.org
tckl.me
tlkc.com
ctlk.com
cklt.tech
ktlc.ma
tckl.org
tlck.ca
cltk.cn
ktlc.com
ltkc.net
ktlc.it
ktcl.kz
kltc.net
klct.org
cklt.com
ltck.se
ltck.net
ctlk.de

DNS History

12 records (6 active, 6 former)

2017201820192020202120222023202420252026NSnsa.perf1.frnsb.perf1.comnsc.perf1.comkctl.co.krns1.cafe24.co.krns1.cafe24.comns2.cafe24.co.krns2.cafe24.comMXmail.kctl.co.krspam.kctl.co.krA183.111.138.169183.111.174.70
○NSkctl.co.kr2016-03-28 → 2020-03-24 · 4 obs
● 2016-03-28 09:59:22
● 2020-03-24 08:54:28
○ 2026-04-02 22:25:12
○ 2026-07-14 08:36:00
○NSns1.cafe24.co.kr2016-03-28 → 2020-03-24 · 4 obs
● 2016-03-28 09:59:22
● 2020-03-24 08:54:28
○ 2026-04-02 22:25:12
○ 2026-07-14 08:36:00
○NSns1.cafe24.com2016-03-28 → 2020-03-24 · 4 obs
● 2016-03-28 09:59:22
● 2020-03-24 08:54:28
○ 2026-04-02 22:25:12
○ 2026-07-14 08:36:00
○NSns2.cafe24.co.kr2016-03-28 → 2020-03-24 · 4 obs
● 2016-03-28 09:59:22
● 2020-03-24 08:54:28
○ 2026-04-02 22:25:12
○ 2026-07-14 08:36:00
○NSns2.cafe24.com2016-03-28 → 2020-03-24 · 4 obs
● 2016-03-28 09:59:22
● 2020-03-24 08:54:28
○ 2026-04-02 22:25:12
○ 2026-07-14 08:36:00
●NSnsa.perf1.fr2026-04-02 → 2026-07-14 · 3 obs
○ 2020-03-24 08:54:28
● 2026-04-02 22:25:12
● 2026-07-14 08:36:00
●NSnsb.perf1.com2026-04-02 → 2026-07-14 · 3 obs
○ 2020-03-24 08:54:28
● 2026-04-02 22:25:12
● 2026-07-14 08:36:00
●NSnsc.perf1.com2026-04-02 → 2026-07-14 · 3 obs
○ 2020-03-24 08:54:28
● 2026-04-02 22:25:12
● 2026-07-14 08:36:00
●MXmail.kctl.co.kr2016-03-28 → 2026-07-14 · 2 obs
● 2016-03-28 09:59:22
● 2026-07-14 08:36:00
●MXspam.kctl.co.kr2020-03-24 → 2026-07-14 · 3 obs
○ 2016-03-28 09:59:22
● 2020-03-24 08:54:28
● 2026-07-14 08:36:00
●A183.111.138.1692020-03-24 → 2026-07-14 · 3 obs
○ 2017-03-18 18:09:04
● 2020-03-24 08:54:28
● 2026-07-14 08:36:00
○A183.111.174.702016-03-28 → 2017-03-18 · 4 obs
● 2016-03-28 09:59:22
● 2017-03-18 18:09:04
○ 2020-03-24 08:54:28
○ 2026-07-14 08:36:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
krd.dns.kr, g.dns.kr, f.dns.kr, c.dns.kr...-
kctl.co.krnsa.perf1.fr, nsb.perf1.com, nsc.perf1.com-

✅ Authoritative Response

Server:81.92.94.100

NS records: nsa.perf1.fr, nsb.perf1.com, nsc.perf1.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1126ms | Queries: -

📄 Records

TypeCountSample Data
A1183.111.138.169
NS3nsb.perf1.com, nsa.perf1.fr...
MX3mail.kctl.co.kr (pri: 10), mail.kctl.co.kr (pri: 0)...
TXT2v=spf1 ip4:210.113.72.51 ip4:210.113.72., google-site-verification=JQoRQ3qpzSo4mAQ
SOA1nsa.perf1.fr technical.nameshield.net

Analysis

Hierarchy

The parent domain of spam.kctl.co.kr and mail.kctl.co.kr is kctl.co.kr.

IP Addresses

kctl.co.kr directs to one IP number, which is 183.111.138.169.

Among the host names that share IP numbers with kctl.co.kr are wy.co.kr, studio-boda.com, soccermate.net and two others.

Name Servers

The authoritative name servers for kctl.co.kr are nsb.perf1.com, nsc.perf1.com and nsa.perf1.fr — three in total.

At least some of kctl.co.kr's name servers are shared with other domains, for example eurofinsbiomnissamplelibrary.fr, mytf1.media, canaldigitaal.es and two more.

These name servers tend to co-occur with a.ns.developpement-durable.gouv.fr, b.ns.developpement-durable.gouv.fr, ns0.infravesi.com and 3 other name servers in the same DNS delegations.

nsb.perf1.com, nsc.perf1.com and nsa.perf1.fr all resolve to exactly two IP numbers apiece: nsb.perf1.com → 81.92.95.100 and 2a01:c8:101::100; nsc.perf1.com → 152.89.172.100 and 2a09:35c0:102::100; nsa.perf1.fr → 81.92.94.100 and 2a01:c8:100::100.

Mail Servers

The MX records for kctl.co.kr point to two mail servers: mail.kctl.co.kr and spam.kctl.co.kr.

Each of mail.kctl.co.kr and spam.kctl.co.kr has one IP address: mail.kctl.co.kr uses 210.113.72.60 and spam.kctl.co.kr uses 210.113.72.55.