`ns.sejongemc.com`

	DNSSEC	⚠️ Not signed
	A	218.145.65.143^{🇰🇷 KT-NET218.144.0.0/13 KORnet Powered BY Korea Telecom}

`sejongemc.com`

	DNSSEC	⚠️ Not signed
	A	183.111.183.123^{🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM}
	NS	`sejongemc.com` ⭐
	NS	`ns.bigtree.co.kr` ⚠️ Not in zone NS records
	NS	`ns.sejongemc.com` ⚠️ Not in parent delegation
	NS	`ns1.bigtree.co.kr` ⚠️ Not in zone NS records
	NS	`ns1.sejongemc.com` ⚠️ Not in parent delegation
	NS	`ns2.sejongemc.com` ⚠️ Not in parent delegation
	NS	`ns3.sejongemc.com` ⚠️ Not in parent delegation
	MX	`mail.sejongemc.com` ⭐
	TXT	`v=spf1 include:_spf1.mailnara.co.kr include:_spf2.mailnara.co.kr include:_spf...`
	SOA	`sejongemc.com`postmaster@sejongemc.com serial=20160330

NS for

sejongemc.com

Same first word

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DNS History

1 record (1 active, 0 former)

●A218.145.65.1432017-07-01 → 2026-04-12 · 2 obs

● 2017-07-01 09:59:46
● 2026-04-12 05:24:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, j.gtld-servers.net...	-
sejongemc.com	ns.bigtree.co.kr, ns1.bigtree.co.kr	-

✅ Authoritative Response

Server:218.145.65.143

NS records: ns.bigtree.co.kr, ns1.bigtree.co.kr

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sejongemc.com (unsigned zone)

⏱️ Timing

Total: 4372ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`218.145.65.143`

Analysis

Name Server Role

For sejongemc.com, ns.sejongemc.com is used as its name server.

sejongemc.com, ns1.sejongemc.com and ns2.sejongemc.com are commonly used as name servers together with ns.sejongemc.com.

IP Addresses

ns.sejongemc.com points to IP number: 218.145.65.143.

Other host names such as ns.enpyro.com, ns.ipslab.net, ns.withworld.net, ns.donky.kr and ns.nasandart.com share IPs with ns.sejongemc.com.

ns.sejongemc.com - robtex.com

ns.sejongemc.com

sejongemc.com