`server9.smtk.co.kr`

DNSSEC	⚠️ Not signed
A	175.125.21.203^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
		PTR	`mail.smtk.co.kr`

`smtk.co.kr`

	DNSSEC	⚠️ Not signed
	A	203.245.44.111^{🇰🇷 KT-NET203.245.0.0/18 contact chejumen@hitel.net if necessary contact country1@hitel.net if necessary contact express@hitel.net if necessary contact ezmate@hitel.net if necessary contact han322@hitel.net if necessary}
	NS	`ns-1641.awsdns-13.co.uk` ⭐
	NS	`ns-1028.awsdns-00.org`
	NS	`ns-213.awsdns-26.com`
	NS	`ns-955.awsdns-55.net`
	MX	`securemx01.mailplug.com` ⭐
	MX	`securemx02.mailplug.com`⁽²⁰⁾
	TXT	`v=spf1 mx include:mailplug.com ~all`
	SOA	`ns-1641.awsdns-13.co.uk`awsdns-hostmaster@amazon.com serial=1

MX for

skybz.net

Previously MX for

www.skybz.net

Same first word

server9.com

server9.ch

server9.com.br

server9.us

server9.net

server9.co.uk

server9.at

server9.nl

server9.ru

server9.se

server9.de

Similar names

9server.com

DNS History

1 record (1 active, 0 former)

●A175.125.21.2032015-03-23 → 2026-06-13 · 2 obs

● 2015-03-23 22:54:00
● 2026-06-13 14:30:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
kr	c.dns.kr, e.dns.kr, d.dns.kr, g.dns.kr...	-
smtk.co.kr	ns-213.awsdns-26.com, ns-1641.awsdns-13.co.uk, ns-1028.awsdns-00.org, ns-955.awsdns-55.net	-

✅ Authoritative Response

Server:205.251.198.105

NS records: ns-213.awsdns-26.com, ns-1641.awsdns-13.co.uk, ns-1028.awsdns-00.org, ns-955.awsdns-55.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 750ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`175.125.21.203`

Analysis

Mail Server Role

server9.smtk.co.kr is used as a mail server for skybz.net.

IP Addresses

server9.smtk.co.kr resolves to just one IP address, 175.125.21.203.

server9.smtk.co.kr - robtex.com