4cat.kr - robtex.com

4cat.kr

DNSSEC⚠️ Not signed
A183.111.182.209🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM
NS4cat.kr ⭐
A183.111.182.209🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM
NSns.4cat.kr ⚠️ Not in parent delegation
A218.145.65.143🇰🇷 KT-NET218.144.0.0/13 KORnet Powered BY Korea Telecom
NSns.gethompy.com ⚠️ Not in zone NS records
A218.145.65.143🇰🇷 KT-NET218.144.0.0/13 KORnet Powered BY Korea Telecom
NSns1.4cat.kr ⚠️ Not in parent delegation
A116.126.143.226🇰🇷 SKB-NET116.126.0.0/16 SK Broadband
NSns1.gethompy.com ⚠️ Not in zone NS records
A116.126.143.226🇰🇷 SKB-NET116.126.0.0/16 SK Broadband
NSns2.4cat.kr ⚠️ Not in parent delegation
A218.145.65.144🇰🇷 KT-NET218.144.0.0/13 KORnet Powered BY Korea Telecom
NSns2.gethompy.com ⚠️ Not in zone NS records
A218.145.65.144🇰🇷 KT-NET218.144.0.0/13 KORnet Powered BY Korea Telecom
NSns3.4cat.kr ⚠️ Not in parent delegation
A116.126.143.225🇰🇷 SKB-NET116.126.0.0/16 SK Broadband
NSns3.gethompy.com ⚠️ Not in zone NS records
A116.126.143.225🇰🇷 SKB-NET116.126.0.0/16 SK Broadband
MXkr1-aspmx1.worksmobile.com ⭐
A125.209.209.251🇰🇷 nhn-AS-KR125.209.208.0/22 NAVER business platform
PTRcrcvmail.worksmobile.com
MXkr1-aspmx2.worksmobile.com(20)
A125.209.209.251🇰🇷 nhn-AS-KR125.209.208.0/22 NAVER business platform
PTRcrcvmail.worksmobile.com
TXTv=spf1 ip4:211.34.104.37 ~all
SOA4cat.krpostmaster@4cat.kr serial=20190517

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=2607290920

NS for

4cat.kr

Subdomains

ns.4cat.kr
ns2.4cat.kr
ns3.4cat.kr
ns1.4cat.kr

Same first word

4cat.com
4cat.org
4cat.pt
4cat.kr
4cat.de

Similar names

ca4t.com
act4.co
atc4.es
atc4.com
tc4a.com
t4ac.com
act4.eu
ct4a.com
a4ct.com
4act.net
cat4.co.uk
4act.co
4tac.com
act4.fr
act4.org
4tac.de
act4.africa
ta4c.cn
4act.or.jp
tc4a.de
act4.ch
4act.com
cat4.com
4cta.com
ac4t.com
4atc.com
act4.at
act4.net
4act.art.br
4tca.org
act4.tv
cat4.de
t4ca.com
a4tc.com
atc4.net
tac4.com
4act.de
cat4.us

DNS History

14 records (12 active, 2 former)

20192020202120222023202420252026NS4cat.krns.4cat.krns.gethompy.comns1.4cat.krns1.gethompy.comns2.4cat.krns2.gethompy.comns3.4cat.krns3.gethompy.comMXkr1-aspmx1.worksmobile.comkr1-aspmx2.worksmobile.comaspmx1.naver.comaspmx2.naver.comA183.111.182.209
●NS4cat.kr2018-05-12 → 2026-07-29 · 2 obs
● 2018-05-12 13:40:56
● 2026-07-29 10:35:46
●NSns.4cat.kr2018-05-12 → 2026-07-29 · 2 obs
● 2018-05-12 13:40:56
● 2026-07-29 10:35:46
●NSns.gethompy.com2026-06-09 → 2026-07-29 · 3 obs
○ 2018-05-12 13:40:56
● 2026-06-09 12:31:36
● 2026-07-29 10:35:46
●NSns1.4cat.kr2018-05-12 → 2026-07-29 · 2 obs
● 2018-05-12 13:40:56
● 2026-07-29 10:35:46
●NSns1.gethompy.com2026-06-09 → 2026-07-29 · 3 obs
○ 2018-05-12 13:40:56
● 2026-06-09 12:31:36
● 2026-07-29 10:35:46
●NSns2.4cat.kr2018-05-12 → 2026-07-29 · 2 obs
● 2018-05-12 13:40:56
● 2026-07-29 10:35:46
●NSns2.gethompy.com2026-06-09 → 2026-07-29 · 3 obs
○ 2018-05-12 13:40:56
● 2026-06-09 12:31:36
● 2026-07-29 10:35:46
●NSns3.4cat.kr2018-05-12 → 2026-07-29 · 2 obs
● 2018-05-12 13:40:56
● 2026-07-29 10:35:46
●NSns3.gethompy.com2026-06-09 → 2026-07-29 · 3 obs
○ 2018-05-12 13:40:56
● 2026-06-09 12:31:36
● 2026-07-29 10:35:46
○MXaspmx1.naver.com2018-05-12 → 2018-05-12 · 3 obs
● 2018-05-12 13:40:56
○ 2026-06-09 12:31:36
○ 2026-07-29 10:35:46
○MXaspmx2.naver.com2018-05-12 → 2018-05-12 · 3 obs
● 2018-05-12 13:40:56
○ 2026-06-09 12:31:36
○ 2026-07-29 10:35:46
●MXkr1-aspmx1.worksmobile.com2026-06-09 → 2026-07-29 · 3 obs
○ 2018-05-12 13:40:56
● 2026-06-09 12:31:36
● 2026-07-29 10:35:46
●MXkr1-aspmx2.worksmobile.com2026-06-09 → 2026-07-29 · 3 obs
○ 2018-05-12 13:40:56
● 2026-06-09 12:31:36
● 2026-07-29 10:35:46
●A183.111.182.2092018-05-12 → 2026-07-29 · 2 obs
● 2018-05-12 13:40:56
● 2026-07-29 10:35:46

🔍 DNS Trace

Analysis

Hierarchy

ns.4cat.kr, ns2.4cat.kr, ns3.4cat.kr and ns1.4cat.kr are all subdomains of 4cat.kr.

Name Server Role

4cat.kr acts as a name server for 4cat.kr, meaning it is self-referentially delegated.

4cat.kr is commonly paired with ns.4cat.kr, ns2.4cat.kr and ns1.4cat.kr to act as name servers.

IP Addresses

4cat.kr resolves to one IP address: 183.111.182.209.

enetek.co.kr, wc38.koreawebcenter.com, lassatyres.co.kr and two other host names share IP numbers with 4cat.kr.

Name Servers

4cat.kr has 9 name servers — 4cat.kr, ns1.gethompy.com, ns2.gethompy.com and 6 other.

The name servers of 4cat.kr overlap at least partially with those of other domains — among them dhbnp.com, ggursc.or.kr, coit.co.kr and two more.

These name servers commonly appear alongside the name servers ns.gethompy.com and ns3.gethompy.com.

Hosts with just one IP address:

The hostname 4cat.kr resolves to 183.111.182.209.

The hostname ns1.gethompy.com resolves to 116.126.143.226.

The hostname ns2.gethompy.com resolves to 218.145.65.144.

The hostname ns3.gethompy.com resolves to 116.126.143.225.

The hostname ns.gethompy.com resolves to 218.145.65.143.

The hostname ns1.4cat.kr resolves to 116.126.143.226.

The hostname ns2.4cat.kr resolves to 218.145.65.144.

The hostname ns3.4cat.kr resolves to 116.126.143.225.

The hostname ns.4cat.kr resolves to 218.145.65.143.

ns1.gethompy.com along with ns1.4cat.kr each resolve to 116.126.143.226 IP addresses.

ns2.gethompy.com along with ns2.4cat.kr each resolve to 218.145.65.144 IP addresses.

ns3.gethompy.com along with ns3.4cat.kr each resolve to 116.126.143.225 IP addresses.

ns.gethompy.com along with ns.4cat.kr each resolve to 218.145.65.143 IP addresses.

Mail Servers

Mail for 4cat.kr is handled by two mail servers — kr1-aspmx1.worksmobile.com and kr1-aspmx2.worksmobile.com.

4cat.kr uses an identical mail server configuration to several other domains — among them hjcm.kr, tcms.or.kr, roteceng.com and two more.

4cat.kr has at least partial mail server overlap with other domains such as ilmin.org, gundamboom.com, livescore.co.kr and two more.

kr1-aspmx1.worksmobile.com directs to 125.209.209.251, as does kr1-aspmx2.worksmobile.com — both hostnames resolve to that one IP address.

kr1-aspmx1.worksmobile.com along with kr1-aspmx2.worksmobile.com each resolve to 125.209.209.251 IP addresses.