simplexinternet.com - dns.ninja

`simplexinternet.com`

DNSSEC	⚠️ Not signed
A	203.231.63.12^{🇰🇷 SEJONG-Telecom-AS203.231.0.0/16 Sejong Telecom}
NS	`simplexinternet.com` ⭐
		A	203.231.63.12^{🇰🇷 SEJONG-Telecom-AS203.231.0.0/16 Sejong Telecom}
NS	`ns.simplexi.com` ⚠️ Not in zone NS records
		A	1.234.0.7^{🇰🇷 SKB-NET1.232.0.0/13 auto-generated route object for 1.232.0.0/13}
		A	112.175.11.8^{🇰🇷 KT-NET112.168.0.0/13}
NS	`ns1.cafe24.co.kr` ⚠️ Not in parent delegation
		A	112.175.246.232^{🇰🇷 KT-NET112.168.0.0/13}
			PTR	`gjit.kr`
			PTR	`snoweb.kr`
			PTR	`sinc2030.co.kr`
		A	112.175.246.233^{🇰🇷 KT-NET112.168.0.0/13}
		A	175.125.93.136^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
		A	175.125.93.137^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
NS	`ns1.cafe24.com` ⚠️ Not in parent delegation
		A	112.175.246.230^{🇰🇷 KT-NET112.168.0.0/13}
		A	112.175.246.231^{🇰🇷 KT-NET112.168.0.0/13}
		A	116.126.143.242^{🇰🇷 SKB-NET116.126.0.0/16 SK Broadband}
		A	175.125.93.134^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
		A	175.125.93.135^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
NS	`ns2.cafe24.co.kr` ⚠️ Not in parent delegation
		A	112.175.247.232^{🇰🇷 KT-NET112.168.0.0/13}
			PTR	`snoweb.kr`
			PTR	`sarchi.co.kr`
		A	112.175.247.233^{🇰🇷 KT-NET112.168.0.0/13}
		A	175.125.93.146^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
		A	175.125.93.147^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
NS	`ns2.cafe24.com` ⚠️ Not in parent delegation
		A	1.226.85.4^{🇰🇷 SKB-NET1.224.0.0/13 auto-generated route object for 1.224.0.0/13}
		A	1.234.0.4^{🇰🇷 SKB-NET1.232.0.0/13 auto-generated route object for 1.232.0.0/13}
		A	112.175.11.4^{🇰🇷 KT-NET112.168.0.0/13}
		A	112.175.12.4^{🇰🇷 KT-NET112.168.0.0/13}
NS	`ns2.simplexi.com` ⚠️ Not in zone NS records
		A	1.226.85.7^{🇰🇷 SKB-NET1.224.0.0/13 auto-generated route object for 1.224.0.0/13}
		A	112.175.12.8^{🇰🇷 KT-NET112.168.0.0/13}
MX	`mail.simplexinternet.com` ⭐
		A	203.231.63.2^{🇰🇷 SEJONG-Telecom-AS203.231.0.0/16 Sejong Telecom}
SOA	`simplexinternet.com`postmaster@simplexinternet.com serial=20170303

`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=1785060507

NS for

simplexinternet.com

Subdomains

mail.simplexinternet.com

Same first word

simplexinternet.com

DNS History

9 records (9 active, 0 former)

●NSns.simplexi.com2007-10-29 → 2026-07-26 · 6 obs

● 2007-10-29 06:44:32
● 2016-09-22 00:51:52
○ 2017-06-09 20:06:14
○ 2018-05-08 17:49:08
● 2026-03-12 20:15:56
● 2026-07-26 10:27:18

●NSns1.cafe24.co.kr2017-06-09 → 2026-07-26 · 3 obs

○ 2016-09-22 00:51:52
● 2017-06-09 20:06:14
● 2026-07-26 10:27:18

●NSns1.cafe24.com2017-06-09 → 2026-07-26 · 3 obs

○ 2016-09-22 00:51:52
● 2017-06-09 20:06:14
● 2026-07-26 10:27:18

●NSns2.cafe24.co.kr2017-06-09 → 2026-07-26 · 3 obs

○ 2016-09-22 00:51:52
● 2017-06-09 20:06:14
● 2026-07-26 10:27:18

●NSns2.cafe24.com2017-06-09 → 2026-07-26 · 3 obs

○ 2016-09-22 00:51:52
● 2017-06-09 20:06:14
● 2026-07-26 10:27:18

●NSns2.simplexi.com2026-03-12 → 2026-07-26 · 3 obs

○ 2018-05-08 17:49:08
● 2026-03-12 20:15:56
● 2026-07-26 10:27:18

●NSsimplexinternet.com2015-06-13 → 2026-07-26 · 3 obs

○ 2007-10-29 06:44:32
● 2015-06-13 03:47:46
● 2026-07-26 10:27:18

●MXmail.simplexinternet.com2007-10-29 → 2026-07-26 · 2 obs

● 2007-10-29 06:44:32
● 2026-07-26 10:27:18

●A203.231.63.122007-10-29 → 2026-07-26 · 2 obs

● 2007-10-29 06:44:32
● 2026-07-26 10:27:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, m.gtld-servers.net, e.gtld-servers.net, i.gtld-servers.net...	-
simplexinternet.com	ns.simplexi.com, ns2.simplexi.com	4 records

✅ Authoritative Response

Server:1.234.0.7

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for simplexinternet.com (unsigned zone)

⏱️ Timing

Total: 862ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`203.231.63.12`
NS	4	`ns1.cafe24.com, ns1.cafe24.co.kr...`
MX	1	`mail.simplexinternet.com (pri: 10)`
SOA	1	`simplexinternet.com postmaster.simplexin`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns.simplexi.com, ns.simplexi.com, ns2.simplexi.com...)

Analysis

Hierarchy

simplexinternet.com serves as the parent of mail.simplexinternet.com.

Name Server Role

simplexinternet.com has simplexinternet.com as one of its name servers, making it self-hosted for DNS delegation.

Together with simplexinternet.com, the hosts ns1.cafe24.com, ns2.cafe24.com and ns1.cafe24.co.kr are frequently configured as name servers.

IP Addresses

simplexinternet.com directs to one IP number, which is 203.231.63.12.

www.open24.co.kr, open24.co.kr and mail.open24.co.kr are examples of other host names that share IP numbers with simplexinternet.com.

Name Servers

DNS for simplexinternet.com is delegated to 7 name servers: simplexinternet.com, ns1.cafe24.com, ns2.cafe24.com plus 4 other.

simplexinternet.com has at least partial name server overlap with other domains, such as pentahillswsquare.co.kr, kojiwon.com, food-fraud.net and two others.

ns2.cafe24.co.kr, ns.cafe24.com and ns0.cafe24.com — plus 6 other name servers — are commonly paired with these name servers.

Hostnames that point to five IP numbers:

ns1.cafe24.com directs to 112.175.246.230, 112.175.246.231, 116.126.143.242 and two other IP addresses.

Hosts pointing to four IP addresses:

ns2.cafe24.com has four IP addresses: 1.226.85.4, 1.234.0.4, 112.175.11.4 and 112.175.12.4.

ns1.cafe24.co.kr has four IP addresses: 112.175.246.232, 112.175.246.233, 175.125.93.136 and 175.125.93.137.

ns2.cafe24.co.kr has four IP addresses: 112.175.247.232, 112.175.247.233, 175.125.93.146 and 175.125.93.147.

Hosts with two IP numbers each:

ns2.simplexi.com resolves to 1.226.85.7 and 112.175.12.8.

ns.simplexi.com resolves to 1.234.0.7 and 112.175.11.8.

Hosts that resolve to one IP address:

simplexinternet.com resolves to 203.231.63.12.