`mail.emjtech.co.kr`

DNSSEC	⚠️ Not signed
A	211.234.116.147^{🇰🇷 DACOM-NET211.234.0.0/17 contact jblee@aunet.nm.kr if necessary contact ojupark@aunet.nm.kr if necessary}
		PTR	`ns3.gautech.net`

`emjtech.co.kr`

	DNSSEC	⚠️ Not signed
	A	211.234.116.139^{🇰🇷 DACOM-NET211.234.0.0/17 contact jblee@aunet.nm.kr if necessary contact ojupark@aunet.nm.kr if necessary}
	NS	`ns1.gautech.net` ⭐
	NS	`ns3.gautech.net`
	MX	`mail.emjtech.co.kr` ⭐
	TXT	`v=spf1 ip4:211.234.116.147 ip4:211.234.116.139 ip4:121.254.175.232 ~all`
	SOA	`ns1.gautech.net`root@ns1.gautech.net 2026-02-02 #25

MX for

emjtech.co.kr

Same first word

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DNS History

1 record (1 active, 0 former)

●A211.234.116.1472017-07-26 → 2026-08-08 · 2 obs

● 2017-07-26 15:31:06
● 2026-08-08 14:05:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
kr	b.dns.kr, c.dns.kr, d.dns.kr, e.dns.kr...	-
emjtech.co.kr	ns3.gautech.net, ns1.gautech.net	-

✅ Authoritative Response

Server:121.254.175.232

NS records: ns3.gautech.net, ns1.gautech.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for emjtech.co.kr (unsigned zone)

⏱️ Timing

Total: 1656ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`211.234.116.147`

Analysis

Mail Server Role

mail.emjtech.co.kr serves as a mail server for emjtech.co.kr.

IP Addresses

mail.emjtech.co.kr points to a single IP number: 211.234.116.147.

Additional host names — mail.daesungheavy.com, mail.ktcind.com, mail.tjdspa.co.kr and two others — share IP numbers with mail.emjtech.co.kr.

mail.emjtech.co.kr - robtex.com