koreatech.ac.kr - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

koreatech.ac.kr

DNSSEC⚠️ Not signed
A220.68.64.153🇰🇷 KUT-AS220.68.64.0/19 contact noc@bora.net if necessary
NSns.kut.ac.kr ⭐
A220.68.64.1🇰🇷 KUT-AS220.68.64.0/19 contact noc@bora.net if necessary
A220.68.64.2🇰🇷 KUT-AS220.68.64.0/19 contact noc@bora.net if necessary
NSns.koreatech.ac.kr ⚠️ Not in zone NS records
A220.68.64.1🇰🇷 KUT-AS220.68.64.0/19 contact noc@bora.net if necessary
NSns4.koreatech.ac.kr ⚠️ Not in zone NS records
A220.68.80.250🇰🇷 KUT-AS220.68.64.0/19 contact noc@bora.net if necessary
MXspam1.koreatech.ac.kr ⭐
A220.68.64.109🇰🇷 KUT-AS220.68.64.0/19 contact noc@bora.net if necessary
MXspam.koreatech.ac.kr(20)
A220.68.64.108🇰🇷 KUT-AS220.68.64.0/19 contact noc@bora.net if necessary
MX23a61b54849a99e548624c09d1cdddef7ffb2764.msv1.invalid(32767)
TXTv=spf1 ip4:220.68.64.241 ip4:220.68.82.25 ip4:220.68.64.124 ip4:220.68.64.106...
TXTapple-domain-verification=1YeUVsqO2FFpy3b7
SOAns.kut.ac.krroot@ns.kut.ac.kr 2025-02-25 #68

ac.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=2610180501
rank #393252 globally
rank #850 in the tld
📈 Tranco rank: #262,138
WOT: SAFE (99/100)

Subdomains

chatbot.koreatech.ac.kr
hrdi.koreatech.ac.kr
kut90.koreatech.ac.kr
ns4.koreatech.ac.kr
sandanrnd.koreatech.ac.kr
cse.koreatech.ac.kr
mail.koreatech.ac.kr
ns.koreatech.ac.kr
el2.koreatech.ac.kr
spam1.koreatech.ac.kr
spam.koreatech.ac.kr
portal.koreatech.ac.kr
ojtlms.koreatech.ac.kr
oklms.koreatech.ac.kr
www.koreatech.ac.kr
email.koreatech.ac.kr
kut80.koreatech.ac.kr

Same first word

koreatech.or.kr
koreatech.ac.kr
koreatech.xyz
koreatech.cc
koreatech.net
koreatech.me
koreatech.com
koreatech.ph
koreatech.com.ua
koreatech.kr
koreatech.in
koreatech.info
koreatech.cn
koreatech.co.kr
koreatech.co

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ketoreach.com
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techkorea.ph
trackhoee.com
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teacherok.com
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Previous names

koedu.ac.kr
kohwang.ac.kr
koje.ac.kr
kongju-e.ac.kr
kongju.ac.kr
kongzi.ac.kr
konkuk.ac.kr
konkukcyber.ac.kr
konyang.ac.kr
kookje.ac.kr
kookmin.ac.kr
kopo.ac.kr
korea.ac.kr
koreaart.ac.kr
koreacu.ac.kr
koreadu.ac.kr
koreahotel.ac.kr
koreait.ac.kr
korean.ac.kr
koreancuisine.ac.kr

Next names

kornu.ac.kr
korus.ac.kr
koryo.ac.kr
kosin.ac.kr
kotia.ac.kr
kpu-hpjrc.ac.kr
kpu.ac.kr
krc.ac.kr
krcts.ac.kr
ks.ac.kr
ksc.ac.kr
ksnu.ac.kr
ksps-webzine-aks.ac.kr
ksu.ac.kr

DNS History

9 records (7 active, 2 former)

20162017201820192020202120222023202420252026NSns.koreatech.ac.krns.kut.ac.krns4.koreatech.ac.krns2.kut.ac.krMX23a61b54849a99e548624c09d1cdddef7ffb2764.msv1.invalidspam.koreatech.ac.krspam1.koreatech.ac.krA220.68.64.153220.68.95.235
●NSns.koreatech.ac.kr2026-02-16 → 2026-10-17 · 3 obs
○ 2016-10-12 12:19:52
● 2026-02-16 13:51:42
● 2026-10-17 21:41:32
●NSns.kut.ac.kr2015-06-08 → 2026-10-17 · 5 obs
● 2015-06-08 11:09:30
● 2016-10-12 12:19:52
○ 2026-09-02 16:35:44
● 2026-09-02 19:36:48
● 2026-10-17 21:41:32
○NSns2.kut.ac.kr2015-06-08 → 2016-10-12 · 4 obs
● 2015-06-08 11:09:30
● 2016-10-12 12:19:52
○ 2026-02-16 13:51:42
○ 2026-10-17 21:41:32
●NSns4.koreatech.ac.kr2026-02-16 → 2026-10-17 · 3 obs
○ 2016-10-12 12:19:52
● 2026-02-16 13:51:42
● 2026-10-17 21:41:32
●MX23a61b54849a99e548624c09d1cdddef7ffb2764.msv1.invalid2016-10-12 → 2026-10-17 · 5 obs
○ 2015-06-08 11:09:30
● 2016-10-12 12:19:52
○ 2026-09-02 16:35:44
● 2026-09-02 19:36:48
● 2026-10-17 21:41:32
●MXspam.koreatech.ac.kr2015-06-08 → 2026-10-17 · 5 obs
● 2015-06-08 11:09:30
● 2016-10-12 12:19:52
○ 2026-09-02 16:35:44
● 2026-09-02 19:36:48
● 2026-10-17 21:41:32
●MXspam1.koreatech.ac.kr2026-02-16 → 2026-10-17 · 5 obs
○ 2016-10-12 12:19:52
● 2026-02-16 13:51:42
○ 2026-09-02 16:35:44
● 2026-09-02 19:36:48
● 2026-10-17 21:41:32
●A220.68.64.1532026-02-16 → 2026-10-17 · 5 obs
○ 2016-10-12 12:19:52
● 2026-02-16 13:51:42
○ 2026-09-02 16:35:44
● 2026-09-02 19:36:48
● 2026-10-17 21:41:32
○A220.68.95.2352015-06-08 → 2016-10-12 · 4 obs
● 2015-06-08 11:09:30
● 2016-10-12 12:19:52
○ 2026-02-16 13:51:42
○ 2026-10-17 21:41:32

🔍 DNS Trace

Analysis

Hierarchy

koreatech.ac.kr is a parent domain; its children include chatbot.koreatech.ac.kr, hrdi.koreatech.ac.kr, kut90.koreatech.ac.kr, ns4.koreatech.ac.kr, sandanrnd.koreatech.ac.kr and a few other host names.

IP Addresses

koreatech.ac.kr resolves to one IP address: 220.68.64.153.

mail.kut.ac.kr, mail.koreatech.ac.kr and kut.ac.kr are examples of other host names that share IP numbers with koreatech.ac.kr.

Name Servers

The authoritative name servers for koreatech.ac.kr are ns4.koreatech.ac.kr, ns.koreatech.ac.kr and ns.kut.ac.kr — three in total.

koreatech.ac.kr partially shares its NS delegation with several other domains, including e-koreatech.ac.kr, ksqa.or.kr, kut.ac.kr and two others.

These name servers often co-occur with the name servers ns1.step.or.kr.

Hostnames that resolve to two IP addresses:

ns.kut.ac.kr directs traffic to 220.68.64.1 and 220.68.64.2.

Hosts with just one IP address:

ns4.koreatech.ac.kr has the IP address 220.68.80.250.

ns.koreatech.ac.kr has the IP address 220.68.64.1.

Both ns.kut.ac.kr and ns.koreatech.ac.kr resolve to 220.68.64.1 IP addresses each.

Mail Servers

koreatech.ac.kr uses three mail servers — 23a61b54849a99e548624c09d1cdddef7ffb2764.msv1.invalid, spam1.koreatech.ac.kr and spam.koreatech.ac.kr.

spam1.koreatech.ac.kr resolves to 220.68.64.109. spam.koreatech.ac.kr resolves to 220.68.64.108. Both host names point to a single IP number.