`netple21.com`

DNSSEC	⚠️ Not signed
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	`mail.netple21.com` ⭐
		A	1.222.207.125^{🇰🇷 HCNCHUNGJU-AS-KR1.222.207.0/24}
			PTR	`mail.coreit.co.kr`
TXT	`v=spf1 ip4:218.159.40.227 ip4:1.222.207.125 ~all`
SOA	`ns2.netple21.com`netple21@hanmail.net 2021-03-27 #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=1784131812

Subdomains

mail.netple21.com

ns.netple21.com

ns2.netple21.com

Same first word

netple21.com

DNS History

7 records (3 active, 4 former)

●NSns.netple21.com2007-12-01 → 2026-07-15 · 5 obs

● 2007-12-01 15:54:38
● 2015-11-11 11:19:40
○ 2016-02-02 12:21:48
● 2018-11-13 08:25:00
● 2026-07-15 16:30:14

●NSns2.netple21.com2007-12-01 → 2026-07-15 · 2 obs

● 2007-12-01 15:54:38
● 2026-07-15 16:30:14

●MXmail.netple21.com2015-07-02 → 2026-07-15 · 6 obs

○ 2007-12-01 15:54:38
● 2015-07-02 13:42:46
● 2015-11-11 11:19:40
○ 2016-02-02 12:21:48
● 2016-09-24 21:12:54
● 2026-07-15 16:30:14

○MXns2.netple21.com2015-07-02 → 2015-11-11 · 5 obs

○ 2007-12-01 15:54:38
● 2015-07-02 13:42:46
● 2015-11-11 11:19:40
○ 2016-02-02 12:21:48
○ 2026-07-15 16:30:14

○MXrx.netple21.com2007-12-01 → 2007-12-01 · 3 obs

● 2007-12-01 15:54:38
○ 2015-07-02 13:42:46
○ 2026-07-15 16:30:14

○A1.246.219.1942015-07-02 → 2015-11-11 · 5 obs

○ 2007-12-01 15:54:38
● 2015-07-02 13:42:46
● 2015-11-11 11:19:40
○ 2016-02-02 12:21:48
○ 2026-07-15 16:30:14

○A218.234.22.752007-12-01 → 2007-12-01 · 3 obs

● 2007-12-01 15:54:38
○ 2015-07-02 13:42:46
○ 2026-07-15 16:30:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
netple21.com	ns.netple21.com, ns2.netple21.com	2 records

✅ Authoritative Response

Server:1.246.219.198

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for netple21.com (unsigned zone)

⏱️ Timing

Total: 793ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns2.netple21.com, ns.netple21.com`
MX	1	`mail.netple21.com (pri: 11)`
TXT	1	`v=spf1 ip4:218.159.40.227 ip4:1.222.207.`
SOA	1	`ns2.netple21.com netple21.hanmail.net`

📌 Glue Records Collected

Total: 2

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

Analysis

Hierarchy

The domain netple21.com is parent to mail.netple21.com, ns.netple21.com and ns2.netple21.com.

Name Servers

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

netple21.com has a name server setup in common with 3hsystem.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

Mail for netple21.com is handled by a single mail server, mail.netple21.com.

mail.netple21.com has exactly one IP number: 1.222.207.125.

netple21.com - robtex.com

netple21.com

com