jst.ac.kr - robtex.com

jst.ac.kr

DNSSEC⚠️ Not signed
NSns1-1.ns-ncloud.com ⭐
A49.236.156.6🇰🇷 NBPAP-AS-AP49.236.156.0/24 NAVER business platform cloud service
PTRns1-1.ns-ncloud.com
NSns1-2.ns-ncloud.com
A49.236.157.6🇰🇷 NBPAP-AS-AP49.236.157.0/24 NAVER business platform cloud service
PTRns1-2.ns-ncloud.com
MXkr1-aspmx1.worksmobile.com ⭐
A125.209.209.251🇰🇷 nhn-AS-KR125.209.208.0/22 NAVER business platform
PTRcrcvmail.worksmobile.com
SOAns1-1.ns-ncloud.comns1-2@ns-ncloud.com serial=25

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=2605090501
📈 Tranco rank: #965,896
WOT: SAFE (99/100)

Subdomains

lms.jst.ac.kr

Same first word

jst.go.jp
jst.tw
jst.hk
jst.at
jst.ag
jst.dk
jst.co.uk
jst.is
jst.me
jst.ai
jst.cc
jst.co.id
jst.ac.kr
jst.org
jst.nl
jst.vn
jst.no
jst.co.th
jst.net.cn
jst.cn
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jst.lt
jst.hu
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jst.com.sg
jst.agency
jst.co
jst.org.uk
jst.io
jst.de
jst.in
jst.fr
jst.plus
jst.be
jst.pl
jst.net
jst.org.in
jst.info
jst.solutions
jst.jp
jst.se
jst.sa
jst.xyz
jst.us
jst.ch
jst.works
jst.my
jst.com
jst.eu
jst.net.tw
jst.vision
jst.ru
jst.re.kr
jst.nu
jst.tv
jst.ca
jst.org.cn
jst.sk
jst.gob.ar

Similar names

jts.vn
stj.lt
tsj.uz
tjs.nl
jts.net.pl
jts.dev
stj.gob.mx
jts.net
stj.or.kr
jts.pt
tsj.gob.mx
stj.ac.in
stj.es
stj.cv
sjt.biz
stj.blogspot.com
tjs.de
stj.me
tsj.bo
jts.me
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stj.be
sjt.med.br
stj.vodka
sjt.eng.br
sjt.io
sjt.ac.th
sjt.nl
stj.gov.br
tsj.mx
tsj.ru
jts.cz
sjt.cn
sjt.co.jp
sjt.com
jts.co.il
sjt.fi
tsj.com.pl
sjt.eu
stj.at
jts.lt
sjt.no
tjs.co.uk
sjt.se
tsj.pl
stj.pt
stj.co
sjt.com.tw
jts.ch
tjs.ae
stj.ac.za
jts.com.au
sjt.co.kr
sjt.cz
stj.cn
tsj.cn
tjs.com.sg
tjs.cafe
tjs.cz
sjt.jp
tjs.in
stj.cc
tsj.su
stj.pl
tjs.co
jts.it
tsj.fi
tsj.co.za
jts.cloud
tjs.fr
tsj.io
jts.ec
tsj.info
tsj.net

DNS History

3 records (3 active, 0 former)

NSns1-1.ns-ncloud.comns1-2.ns-ncloud.comMXkr1-aspmx1.worksmobile.com
●NSns1-1.ns-ncloud.com2026-05-08 → 2026-05-09 · 2 obs
● 2026-05-08 16:47:26
● 2026-05-09 20:32:40
●NSns1-2.ns-ncloud.com2026-05-08 → 2026-05-09 · 2 obs
● 2026-05-08 16:47:26
● 2026-05-09 20:32:40
●MXkr1-aspmx1.worksmobile.com2026-05-08 → 2026-05-09 · 2 obs
● 2026-05-08 16:47:26
● 2026-05-09 20:32:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
krf.dns.kr, c.dns.kr, d.dns.kr, b.dns.kr...-
jst.ac.krns1-1.ns-ncloud.com, ns1-2.ns-ncloud.com-

✅ Authoritative Response

Server:49.236.157.6

NS records: ns1-1.ns-ncloud.com, ns1-2.ns-ncloud.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jst.ac.kr (unsigned zone)

⏱️ Timing

Total: 2660ms | Queries: -

📄 Records

TypeCountSample Data
NS2ns1-2.ns-ncloud.com, ns1-1.ns-ncloud.com
MX1kr1-aspmx1.worksmobile.com (pri: 10)
SOA1ns1-1.ns-ncloud.com ns1-2.ns-ncloud.com

Analysis

Hierarchy

The parent of lms.jst.ac.kr is jst.ac.kr.

Name Servers

Two name servers ns1-1.ns-ncloud.com and ns1-2.ns-ncloud.com handle delegation for jst.ac.kr.

jst.ac.kr uses the same name server setup as other domains, for example morethani.com, cnanfc.com, ikpnews.net, 139.130.223.in-addr.arpa and nextdaily.co.kr.

jst.ac.kr shares name servers with other domains at least in part, for instance imcap.co.kr.

Host names with one IP number: The host name ns1-1.ns-ncloud.com points to 49.236.156.6 and the host name ns1-2.ns-ncloud.com points to 49.236.157.6.

Mail Servers

jst.ac.kr is handled by a single mail server, kr1-aspmx1.worksmobile.com.

jst.ac.kr has the same mail server setup as other domains, including g-disk.co.kr, innonep.com, hanadg.com, gnftoyz.com and rhnb.co.kr.

jst.ac.kr shares some mail servers with other domains, at least partially, such as ksla.info, thinkpool.com, junyp.com, aquagt.co.kr and kukudocs.com.

These mail servers are often used with the mail servers kr1-aspmx2.worksmobile.com.

kr1-aspmx1.worksmobile.com points to a single IP: 125.209.209.251.