sjse.kr - robtex.com

sjse.kr

DNSSEC⚠️ Not signed
A203.245.24.30🇰🇷 KT-NET203.245.0.0/18 contact chejumen@hitel.net if necessary contact country1@hitel.net if necessary contact express@hitel.net if necessary contact ezmate@hitel.net if necessary contact han322@hitel.net if necessary
NSsjse.kr ⭐
A203.245.24.30🇰🇷 KT-NET203.245.0.0/18 contact chejumen@hitel.net if necessary contact country1@hitel.net if necessary contact express@hitel.net if necessary contact ezmate@hitel.net if necessary contact han322@hitel.net if necessary
NSns.sjse.kr
A218.145.65.143🇰🇷 KT-NET218.144.0.0/13 KORnet Powered BY Korea Telecom
NSns1.sjse.kr
A116.126.143.226🇰🇷 SKB-NET116.126.0.0/16 SK Broadband
NSns2.sjse.kr
A218.145.65.144🇰🇷 KT-NET218.144.0.0/13 KORnet Powered BY Korea Telecom
NSns3.sjse.kr
A116.126.143.225🇰🇷 SKB-NET116.126.0.0/16 SK Broadband
MXmx01.mailplug.com ⭐
A121.156.118.202🇰🇷 KT-NET121.152.0.0/13
PTRmx01.mailplug.com
A121.156.118.204🇰🇷 KT-NET121.152.0.0/13
PTRmx01.mailplug.com
A121.156.118.213🇰🇷 KT-NET121.152.0.0/13
PTRmx01.mailplug.com
A121.156.118.220🇰🇷 KT-NET121.152.0.0/13
PTRmx01.mailplug.com
A121.156.118.223🇰🇷 KT-NET121.152.0.0/13
PTRmx01.mailplug.com
A121.156.118.248🇰🇷 KT-NET121.152.0.0/13
PTRmx01.mailplug.com
MXmx02.mailplug.com(20)
A223.26.214.9🇰🇷 HYOSUNGITX-AS-KR223.26.192.0/18 PACNET (proxy-registered route object)
A223.26.214.10🇰🇷 HYOSUNGITX-AS-KR223.26.192.0/18 PACNET (proxy-registered route object)
TXTv=spf1 mx include:mailplug.com ~all
SOAsjse.krpostmaster@sjse.kr serial=20240909

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=2607240771

NS for

sjse.kr

Subdomains

ns2.sjse.kr
ns1.sjse.kr
ns.sjse.kr
ns3.sjse.kr

Same first word

sjse.com
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sjse.net
sjse.kr

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DNS History

8 records (8 active, 0 former)

NSns.sjse.krns1.sjse.krns2.sjse.krns3.sjse.krsjse.krMXmx01.mailplug.commx02.mailplug.comA203.245.24.30
●NSns.sjse.kr2026-07-24 → 2026-07-24 · 2 obs
● 2026-07-24 02:30:04
● 2026-07-24 07:07:56
●NSns1.sjse.kr2026-07-24 → 2026-07-24 · 2 obs
● 2026-07-24 02:30:04
● 2026-07-24 07:07:56
●NSns2.sjse.kr2026-07-24 → 2026-07-24 · 2 obs
● 2026-07-24 02:30:04
● 2026-07-24 07:07:56
●NSns3.sjse.kr2026-07-24 → 2026-07-24 · 2 obs
● 2026-07-24 02:30:04
● 2026-07-24 07:07:56
●NSsjse.kr2026-07-24 → 2026-07-24 · 2 obs
● 2026-07-24 02:30:04
● 2026-07-24 07:07:56
●MXmx01.mailplug.com2026-07-24 → 2026-07-24 · 2 obs
● 2026-07-24 02:30:04
● 2026-07-24 07:07:56
●MXmx02.mailplug.com2026-07-24 → 2026-07-24 · 2 obs
● 2026-07-24 02:30:04
● 2026-07-24 07:07:56
●A203.245.24.302026-07-24 → 2026-07-24 · 2 obs
● 2026-07-24 02:30:04
● 2026-07-24 07:07:56

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
krc.dns.kr, e.dns.kr, d.dns.kr, g.dns.kr...-
sjse.krns2.sjse.kr, ns3.sjse.kr, ns.sjse.kr, ns1.sjse.kr4 records

✅ Authoritative Response

Server:116.126.143.226

NS records: ns2.sjse.kr, ns3.sjse.kr, ns.sjse.kr, ns1.sjse.kr

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sjse.kr (unsigned zone)

⏱️ Timing

Total: 4022ms | Queries: -

📄 Records

TypeCountSample Data
A1203.245.24.30
NS4ns.sjse.kr, ns2.sjse.kr...
MX2mx01.mailplug.com (pri: 10), mx02.mailplug.com (pri: 20)
TXT1v=spf1 mx include:mailplug.com ~all
SOA1sjse.kr postmaster.sjse.kr

📌 Glue Records Collected

Total: 4

In-bailiwick: 4 (ns.sjse.kr, ns1.sjse.kr, ns2.sjse.kr...)

Analysis

Hierarchy

sjse.kr serves as the parent of ns2.sjse.kr, ns1.sjse.kr, ns.sjse.kr and ns3.sjse.kr.

Name Server Role

sjse.kr has sjse.kr as one of its name servers, making it self-hosted for DNS delegation.

Together with sjse.kr, the hosts ns1.sjse.kr, ns2.sjse.kr and ns3.sjse.kr are frequently configured as name servers.

IP Addresses

sjse.kr directs to one IP number, which is 203.245.24.30.

Among the host names that share IP numbers with sjse.kr are ritco.co.kr, xn--jj0b538ac2cbvv.com, assist.or.kr and two others.

Name Servers

DNS for sjse.kr is delegated to five name servers: sjse.kr, ns1.sjse.kr, ns2.sjse.kr and two others.

Hosts that resolve to one IP address:

sjse.kr resolves to 203.245.24.30.

ns1.sjse.kr resolves to 116.126.143.226.

ns2.sjse.kr resolves to 218.145.65.144.

ns3.sjse.kr resolves to 116.126.143.225.

ns.sjse.kr resolves to 218.145.65.143.

Mail Servers

The MX records for sjse.kr point to two mail servers: mx01.mailplug.com and mx02.mailplug.com.

sjse.kr has the same mail server arrangement as a number of other domains, for example olk.co.kr, kia.or.kr, ifrc.or.kr and two more.

sjse.kr has mail servers in common with other domains — for example n-sb.co.kr and y-inno.com.

Host names resolving to 6 IP numbers:

mx01.mailplug.com points to 121.156.118.202, 121.156.118.204, 121.156.118.213 and 3 other IP addresses.

Hosts with two IP numbers each:

mx02.mailplug.com resolves to 223.26.214.9 and 223.26.214.10.