`3hsystem.com`

DNSSEC	⚠️ Not signed
A	1.246.219.200^{🇰🇷 SKB-NET1.240.0.0/13 auto-generated route object for 1.240.0.0/13}
NS	`ns.netple21.com` ⭐
		A	1.246.219.199^{🇰🇷 SKB-NET1.240.0.0/13 auto-generated route object for 1.240.0.0/13}
NS	`ns2.netple21.com`
		A	1.246.219.198^{🇰🇷 SKB-NET1.240.0.0/13 auto-generated route object for 1.240.0.0/13}
MX	`webmail.3hsystem.com` ⭐
		A	119.205.197.98^{🇰🇷 KT-NET119.200.0.0/13 Korea Telecom, Seoul, Korea}
			PTR	`cgwebmail-006.cafe24.com`
TXT	`v=spf1 ip4:183.110.224.0/24 ip4:175.126.146.0/24 ~all`
SOA	`ns2.netple21.com`netple21@hanmail.net 2015-11-12 #1

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1784113442

Subdomains

webmail.3hsystem.com

Same first word

3hsystem.com

DNS History

4 records (4 active, 0 former)

●NSns.netple21.com2015-08-12 → 2026-07-15 · 4 obs

● 2015-08-12 01:53:40
○ 2015-12-05 09:31:26
● 2020-04-03 11:05:30
● 2026-07-15 11:18:36

●NSns2.netple21.com2015-08-12 → 2026-07-15 · 2 obs

● 2015-08-12 01:53:40
● 2026-07-15 11:18:36

●MXwebmail.3hsystem.com2015-08-12 → 2026-07-15 · 2 obs

● 2015-08-12 01:53:40
● 2026-07-15 11:18:36

●A1.246.219.2002015-12-05 → 2026-07-15 · 2 obs

● 2015-12-05 09:31:26
● 2026-07-15 11:18:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, k.gtld-servers.net, c.gtld-servers.net, i.gtld-servers.net...	-
3hsystem.com	ns.netple21.com, ns2.netple21.com	2 records

✅ Authoritative Response

Server:1.246.219.199

NS records: ns.netple21.com, ns2.netple21.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 3hsystem.com (unsigned zone)

⏱️ Timing

Total: 2746ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`1.246.219.200`
NS	2	`ns2.netple21.com, ns.netple21.com`
MX	1	`webmail.3hsystem.com (pri: 10)`
TXT	1	`v=spf1 ip4:183.110.224.0/24 ip4:175.126.`
SOA	1	`ns2.netple21.com netple21.hanmail.net`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns.netple21.com, ns2.netple21.com)

Analysis

Hierarchy

The domain webmail.3hsystem.com falls under the parent 3hsystem.com.

IP Addresses

3hsystem.com has exactly one IP address — 1.246.219.200.

There are other host names — kmtou.com among them — that share IP numbers with 3hsystem.com.

Name Servers

DNS delegation for 3hsystem.com points to two name servers: ns2.netple21.com and ns.netple21.com.

3hsystem.com has a name server setup in common with netple21.com, kmtou.com and microimage.co.kr, to name a few.

Each of ns2.netple21.com and ns.netple21.com has one IP address: ns2.netple21.com uses 1.246.219.198 and ns.netple21.com uses 1.246.219.199.

Mail Servers

3hsystem.com uses one mail server — webmail.3hsystem.com.

webmail.3hsystem.com has exactly one IP number: 119.205.197.98.

3hsystem.com - robtex.com

3hsystem.com

com