`mail.knjsystem.com`

CNAME	`mailapp.hiworks.co.kr`
DNSSEC	⚠️ Not signed
A	45.120.71.59^{🇰🇷 DACOM-NET45.120.71.0/24}
		PTR	`mailapp.hiworks.co.kr`
A	121.254.168.55^{🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary}
A	211.47.76.59^{🇰🇷 DACOM-NET211.47.76.0/24 proxy for HANARO TELECOM route}

`knjsystem.com`

	DNSSEC	⚠️ Not signed
	A	211.43.212.8^{🇰🇷 DACOM-NET211.43.192.0/19 PACNET (proxy-registered route object)}
	NS	`ns1.gabia.co.kr` ⭐
	NS	`ns.gabia.co.kr`
	NS	`ns.gabia.net`
	NS	`ns1.gabia.net`
	MX	`mailapp.hiworks.co.kr` ⭐
	TXT	`v=spf1 ip4:211.43.212.8 ip4:211.43.212.113 ip4:211.43.212.102 include:_spf.hi...`
	SOA	`ns.gabia.co.kr`hosting@gabia.com 2019-12-03 #15

Previously MX for

knjsystem.com

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DNS History

2 records (1 active, 1 former)

○A121.254.168.552015-06-16 → 2016-04-25 · 3 obs

● 2015-06-16 19:01:24
● 2016-04-25 12:59:40
○ 2026-03-27 23:25:44

●CNAMEmailapp.hiworks.co.kr2015-06-16 → 2026-03-27 · 2 obs

● 2015-06-16 19:01:24
● 2026-03-27 23:25:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, f.gtld-servers.net, d.gtld-servers.net, l.gtld-servers.net...	-
knjsystem.com	ns.gabia.co.kr, ns1.gabia.co.kr, ns.gabia.net, ns1.gabia.net	-

✅ Authoritative Response

Server:20.200.205.248

NS records: ns.gabia.co.kr, ns1.gabia.co.kr, ns.gabia.net, ns1.gabia.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knjsystem.com (unsigned zone)

⏱️ Timing

Total: 1342ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`mailapp.hiworks.co.kr`

Analysis

IP Addresses

mail.knjsystem.com resolves to three IP numbers: 45.120.71.59, 121.254.168.55 and 211.47.76.59.

other host names include mail.banax.co.kr, hiworks.hiworks.co.kr, pop3.hiworks.co.kr, smtp.hiworks.com and mailapp.hiworks.co.kr; they share IP numbers with mail.knjsystem.com.

mail.knjsystem.com - robtex.com