`sejongsimin.com`

DNSSEC	⚠️ Not signed
A	43.202.190.57^{🇰🇷 Amazon43.200.0.0/14 EC2 ICN Prefix}
		PTR	`letsworks.com`
NS	`ns3.dnszi.com` ⭐
		A	121.78.251.20^{🇰🇷 KINXIDC-AS-KR121.78.224.0/19 KINX-Net}
NS	`ns18.dnszi.com`
		A	121.78.72.36^{🇰🇷 KINXIDC-AS-KR121.78.72.0/24 KINX-IDC}
			PTR	`ns18.dnszi.com`
NS	`ns51.dnszi.com`
		A	27.1.16.81^{🇰🇷 DAOU-AS-KR27.1.16.0/22 DAOU Tech}
			PTR	`ns51.dnszi.com`
NS	`ns62.dnszi.com`
		A	58.120.225.167^{🇰🇷 SKB-NET58.120.0.0/13 auto-generated route object for 58.120.0.0/13}
			PTR	`ns62.dnszi.com`
NS	`ns74.dnszi.com`
		A	121.78.251.26^{🇰🇷 KINXIDC-AS-KR121.78.224.0/19 KINX-Net}
SOA	`ns3.dnszi.com`root@dnszi.com 2025-03-12 #1

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1774524222

Same first word

sejongsimin.com

DNS History

15 records (6 active, 9 former)

○NSns1.whois.com2016-12-16 → 2017-09-26 · 4 obs

● 2016-12-16 22:39:40
● 2017-09-26 06:08:24
○ 2026-03-26 11:41:22
○ 2026-03-26 11:41:26

●NSns18.dnszi.com2026-03-26 → 2026-03-26 · 3 obs

○ 2017-09-26 06:08:24
● 2026-03-26 11:41:22
● 2026-03-26 11:41:26

○NSns2.whois.com2016-12-16 → 2017-09-26 · 4 obs

● 2016-12-16 22:39:40
● 2017-09-26 06:08:24
○ 2026-03-26 11:41:22
○ 2026-03-26 11:41:26

●NSns3.dnszi.com2026-03-26 → 2026-03-26 · 3 obs

○ 2017-09-26 06:08:24
● 2026-03-26 11:41:22
● 2026-03-26 11:41:26

○NSns3.whois.com2016-12-16 → 2017-09-26 · 4 obs

● 2016-12-16 22:39:40
● 2017-09-26 06:08:24
○ 2026-03-26 11:41:22
○ 2026-03-26 11:41:26

○NSns4.whois.com2016-12-16 → 2017-09-26 · 4 obs

● 2016-12-16 22:39:40
● 2017-09-26 06:08:24
○ 2026-03-26 11:41:22
○ 2026-03-26 11:41:26

●NSns51.dnszi.com2026-03-26 → 2026-03-26 · 3 obs

○ 2017-09-26 06:08:24
● 2026-03-26 11:41:22
● 2026-03-26 11:41:26

●NSns62.dnszi.com2026-03-26 → 2026-03-26 · 3 obs

○ 2017-09-26 06:08:24
● 2026-03-26 11:41:22
● 2026-03-26 11:41:26

●NSns74.dnszi.com2026-03-26 → 2026-03-26 · 3 obs

○ 2017-09-26 06:08:24
● 2026-03-26 11:41:22
● 2026-03-26 11:41:26

○MXus2.mx1.mailhostbox.com2016-12-16 → 2017-09-26 · 4 obs

● 2016-12-16 22:39:40
● 2017-09-26 06:08:24
○ 2026-03-26 11:41:22
○ 2026-03-26 11:41:26

○MXus2.mx2.mailhostbox.com2016-12-16 → 2017-09-26 · 4 obs

● 2016-12-16 22:39:40
● 2017-09-26 06:08:24
○ 2026-03-26 11:41:22
○ 2026-03-26 11:41:26

○MXus2.mx3.mailhostbox.com2016-12-16 → 2017-09-26 · 4 obs

● 2016-12-16 22:39:40
● 2017-09-26 06:08:24
○ 2026-03-26 11:41:22
○ 2026-03-26 11:41:26

○A121.183.142.62016-12-16 → 2016-12-16 · 3 obs

● 2016-12-16 22:39:40
○ 2017-09-26 06:08:24
○ 2026-03-26 11:41:26

●A43.202.190.572026-03-26 → 2026-03-26 · 3 obs

○ 2017-09-26 06:08:24
● 2026-03-26 11:41:22
● 2026-03-26 11:41:26

○A49.161.175.512017-09-26 → 2017-09-26 · 4 obs

○ 2016-12-16 22:39:40
● 2017-09-26 06:08:24
○ 2026-03-26 11:41:22
○ 2026-03-26 11:41:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
sejongsimin.com	ns3.dnszi.com, ns18.dnszi.com, ns51.dnszi.com, ns62.dnszi.com...	5 records

✅ Authoritative Response

Server:121.78.72.36

NS records: ns3.dnszi.com, ns18.dnszi.com, ns51.dnszi.com, ns62.dnszi.com, ns74.dnszi.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sejongsimin.com (unsigned zone)

⏱️ Timing

Total: 530ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`43.202.190.57`
NS	5	`ns51.dnszi.com, ns3.dnszi.com...`
SOA	1	`ns3.dnszi.com root.dnszi.com`

📌 Glue Records Collected

Total: 5

Out-of-bailiwick: 5 (ns3.dnszi.com, ns18.dnszi.com, ns51.dnszi.com...)

Analysis

IP Addresses

sejongsimin.com points to a single IP number: 43.202.190.57.

Other host names, for instance ec2-43-202-190-57.ap-northeast-2.compute.amazonaws.com, letsguam.com and saipanrentcar.com share IP numbers with sejongsimin.com.

Name Servers

sejongsimin.com is delegated to five name servers: ns18.dnszi.com, ns3.dnszi.com, ns51.dnszi.com, ns62.dnszi.com and ns74.dnszi.com.

sejongsimin.com shares name servers with other domains at least partially, for instance sunsagh.com, cosmiannews.com, jibook.net, 38friends.com and samsungwbc.co.kr.