sejongdata.co.kr - robtex.com
sejongdata.co.kr
co.kr
| DNSSEC | ⚠️ Not signed | ||||||
| NS | g.dns.kr ⭐ ⚠️ Not in parent delegation | ||||||
| NS | b.dns.kr ⚠️ Not in parent delegation | ||||||
| NS | c.dns.kr ⚠️ Not in parent delegation | ||||||
| NS | d.dns.kr ⚠️ Not in parent delegation | ||||||
| NS | e.dns.kr ⚠️ Not in parent delegation | ||||||
| NS | f.dns.kr ⚠️ Not in parent delegation | ||||||
| SOA | g.dns.krdomain-manager@nic.or.kr serial=2603260513 | ||||||
Subdomains
www.sejongdata.co.kr |
Same first word
sejongdata.co.kr |
DNS History
9 records (4 active, 5 former)
●NSmark.ns.cloudflare.com2026-03-09 → 2026-03-25 · 3 obs
● 2026-03-09 07:23:48
● 2026-03-25 23:09:50
○NSns.gabia.co.kr2017-01-20 → 2018-08-08 · 4 obs
● 2018-08-08 14:01:50
○ 2026-03-09 07:23:48
○ 2026-03-25 23:09:50
○NSns.gabia.net2017-01-20 → 2018-08-08 · 4 obs
● 2018-08-08 14:01:50
○ 2026-03-09 07:23:48
○ 2026-03-25 23:09:50
○NSns1.gabia.co.kr2017-01-20 → 2018-08-08 · 4 obs
● 2018-08-08 14:01:50
○ 2026-03-09 07:23:48
○ 2026-03-25 23:09:50
○NSns1.gabia.net2017-01-20 → 2018-08-08 · 4 obs
● 2018-08-08 14:01:50
○ 2026-03-09 07:23:48
○ 2026-03-25 23:09:50
●NSreza.ns.cloudflare.com2026-03-09 → 2026-03-25 · 3 obs
● 2026-03-09 07:23:48
● 2026-03-25 23:09:50
●MXmailapp.hiworks.co.kr2017-01-20 → 2026-03-25 · 2 obs
● 2026-03-25 23:09:50
○A117.52.74.202017-01-20 → 2018-08-08 · 4 obs
● 2018-08-08 14:01:50
○ 2026-03-09 07:23:48
○ 2026-03-25 23:09:50
●A54.180.237.652026-03-09 → 2026-03-25 · 3 obs
● 2026-03-09 07:23:48
● 2026-03-25 23:09:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| kr | d.dns.kr, c.dns.kr, f.dns.kr, g.dns.kr... | - |
| sejongdata.co.kr | mark.ns.cloudflare.com, reza.ns.cloudflare.com | - |
✅ Authoritative Response
Server:173.245.59.130
NS records: mark.ns.cloudflare.com, reza.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sejongdata.co.kr (unsigned zone)
⏱️ Timing
Total: 1057ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 54.180.237.65 |
| NS | 2 | mark.ns.cloudflare.com, reza.ns.cloudflare.com |
| MX | 1 | mailapp.hiworks.co.kr (pri: 10) |
| TXT | 1 | v=spf1 ip4:211.43.212.211 ip4:117.52.74. |
| SOA | 1 | mark.ns.cloudflare.com dns.cloudflare.co |
Analysis
Hierarchy
The parent of www.sejongdata.co.kr is sejongdata.co.kr.
IP Addresses
sejongdata.co.kr points to a single IP: 54.180.237.65.
Other host names, such as www.sejongdata.co.kr, share IP numbers with sejongdata.co.kr.
Name Servers
Two name servers mark.ns.cloudflare.com and reza.ns.cloudflare.com handle delegation for sejongdata.co.kr.
sejongdata.co.kr uses the same name server setup as other domains, for example tokentraxx.com, modellbau-berlinski.de, transitscenic.com, xtera.com and countyjail.com.
sejongdata.co.kr partially shares name servers with other domains; examples include upsihologa.com.ua, 1777.blue, caloriesqueezer.com, sreedharshan-traders.com and gcpma.com.
These name servers are often used with the name servers leah.ns.cloudflare.com and princess.ns.cloudflare.com.
Host names with six IP numbers: mark.ns.cloudflare.com points to: 2606:4700:58::adf5:3b82, 2803:f800:50::6ca2:c182, 2a06:98c1:50::ac40:2182, 108.162.193.130, 172.64.33.130 and 173.245.59.130; reza.ns.cloudflare.com points to: 2606:4700:50::adf5:3ad9, 2803:f800:50::6ca2:c0d9, 2a06:98c1:50::ac40:20d9, 108.162.192.217, 172.64.32.217 and 173.245.58.217.
Mail Servers
sejongdata.co.kr is handled by a single mail server, mailapp.hiworks.co.kr.
sejongdata.co.kr has the same mail server setup as other domains, including shuit.kr, insightcon.com, bshappy-school.or.kr, tnccert.com and budxbeats.com.
Some mail servers are shared between sejongdata.co.kr and other domains, for example unmunsa.or.kr.
Host name mailapp.hiworks.co.kr points to three IP numbers: 45.120.71.59, 121.254.168.55 and 211.47.76.59.