`mail.techsolution.co.kr`

DNSSEC	⚠️ Not signed
A	121.78.246.33^{🇰🇷 KINXIDC-AS-KR121.78.246.0/24 KINX_IDC}
		PTR	`mail2.e-bizs.net`

`techsolution.co.kr`

	DNSSEC	⚠️ Not signed
	A	121.78.246.47^{🇰🇷 KINXIDC-AS-KR121.78.246.0/24 KINX_IDC}
	NS	`ns.techsolution.co.kr` ⭐ ⚠️ Not in parent delegation
	NS	`ns.e-bizs.net` ⚠️ Not in zone NS records
	NS	`ns1.freeshoppingmall.co.kr` ⚠️ Not in zone NS records
	MX	`mail.techsolution.co.kr` ⭐
	SOA	`ns.techsolution.co.kr`hostmaster@techsolution.co.kr serial=1773844832

MX for

techsolution.co.kr

Same first word

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DNS History

1 record (1 active, 0 former)

●A121.78.246.332016-12-11 → 2026-03-22 · 2 obs

● 2016-12-11 19:52:36
● 2026-03-22 15:04:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
kr	g.dns.kr, c.dns.kr, e.dns.kr, b.dns.kr...	10 records
techsolution.co.kr	ns1.freeshoppingmall.co.kr, ns.e-bizs.net	1 record

✅ Authoritative Response

Server: 121.78.246.25

NS records: ns1.freeshoppingmall.co.kr, ns.e-bizs.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1609ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`121.78.246.33`

📌 Glue Records Collected

Total: 11

In-bailiwick: 10 (g.dns.kr, f.dns.kr, e.dns.kr...)

Out-of-bailiwick: 1 (ns1.freeshoppingmall.co.kr)

Analysis

Mail Server Role

mail.techsolution.co.kr functions as a mail server for techsolution.co.kr.

IP Addresses

mail.techsolution.co.kr resolves to one IP number: 121.78.246.33.

other host names including mail.jeyentech.co.kr, mail.ian-i.com, mail.oticonshop.net, mail.willtec.kr and mail.dasolhitec.com share IP numbers with mail.techsolution.co.kr.

mail.techsolution.co.kr - robtex.com