koentech.com - dns.ninja

`koentech.com`

DNSSEC	⚠️ Not signed
NS	`ns1.whoisdomain.kr` ⭐
		A	223.130.139.7^{🇰🇷 NBPAP-AS-AP223.130.128.0/19 NAVER business platform cloud service}
NS	`ns2.whoisdomain.kr`
		A	211.188.57.152^{🇰🇷 NBPAP-AS-AP211.188.48.0/20 NAVER business platform cloud service}
NS	`ns3.whoisdomain.kr`
		A	61.97.189.22^{🇰🇷 nhn-AS-KR61.97.176.0/20 NAVER business platform cloud service}
NS	`ns4.whoisdomain.kr`
		A	219.251.156.134^{🇰🇷 GDNSKR-KR219.251.156.0/24 AS23600}
MX	`securemx01.mailplug.com` ⭐
		A	121.156.118.230^{🇰🇷 KT-NET121.152.0.0/13}
		A	121.156.118.237^{🇰🇷 KT-NET121.152.0.0/13}
			PTR	`securemx01.mailplug.com`
		A	121.156.118.242^{🇰🇷 KT-NET121.152.0.0/13}
			PTR	`securemx01.mailplug.com`
MX	`securemx02.mailplug.com`⁽²⁰⁾
		A	223.26.214.11^{🇰🇷 HYOSUNGITX-AS-KR223.26.192.0/18 PACNET (proxy-registered route object)}
			PTR	`securemx02.mailplug.com`
		A	223.26.214.12^{🇰🇷 HYOSUNGITX-AS-KR223.26.192.0/18 PACNET (proxy-registered route object)}
			PTR	`securemx02.mailplug.com`
TXT	`v=spf1 mx include:mailplug.com ~all`
SOA	`ns1.whoisdomain.kr`help@whois.co.kr 2009-08-10 #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=1784332952

Same first word

koentech.com

Similar names

DNS History

9 records (6 active, 3 former)

●NSns1.whoisdomain.kr2015-06-14 → 2026-07-18 · 2 obs

● 2015-06-14 17:41:18
● 2026-07-18 00:25:50

●NSns2.whoisdomain.kr2015-06-14 → 2026-07-18 · 2 obs

● 2015-06-14 17:41:18
● 2026-07-18 00:25:50

●NSns3.whoisdomain.kr2015-06-14 → 2026-07-18 · 2 obs

● 2015-06-14 17:41:18
● 2026-07-18 00:25:50

●NSns4.whoisdomain.kr2015-06-14 → 2026-07-18 · 2 obs

● 2015-06-14 17:41:18
● 2026-07-18 00:25:50

○MXmail.koentech.com2015-06-14 → 2016-09-13 · 4 obs

● 2015-06-14 17:41:18
● 2016-09-13 03:39:58
○ 2017-06-05 13:10:06
○ 2026-07-18 00:25:50

○MXmc122.mailplug.co.kr2017-06-05 → 2017-06-05 · 4 obs

○ 2016-09-13 03:39:58
● 2017-06-05 13:10:06
○ 2026-03-04 11:26:04
○ 2026-07-18 00:25:50

●MXsecuremx01.mailplug.com2026-03-04 → 2026-07-18 · 3 obs

○ 2017-06-05 13:10:06
● 2026-03-04 11:26:04
● 2026-07-18 00:25:50

●MXsecuremx02.mailplug.com2026-03-04 → 2026-07-18 · 3 obs

○ 2017-06-05 13:10:06
● 2026-03-04 11:26:04
● 2026-07-18 00:25:50

○A116.126.86.602015-06-14 → 2017-06-05 · 4 obs

● 2015-06-14 17:41:18
● 2017-06-05 13:10:06
○ 2026-03-04 11:26:04
○ 2026-07-18 00:25:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
koentech.com	ns1.whoisdomain.kr, ns2.whoisdomain.kr, ns3.whoisdomain.kr, ns4.whoisdomain.kr	-

✅ Authoritative Response

Server:223.130.139.7

NS records: ns1.whoisdomain.kr, ns2.whoisdomain.kr, ns3.whoisdomain.kr, ns4.whoisdomain.kr

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for koentech.com (unsigned zone)

⏱️ Timing

Total: 886ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`ns2.whoisdomain.kr, ns3.whoisdomain.kr...`
MX	2	`securemx01.mailplug.com (pri: 10), securemx02.mailplug.com (pri: 20)`
TXT	1	`v=spf1 mx include:mailplug.com ~all`
SOA	1	`ns1.whoisdomain.kr help.whois.co.kr`

Analysis

Name Servers

The NS records for koentech.com point to four name servers: ns1.whoisdomain.kr, ns2.whoisdomain.kr, ns3.whoisdomain.kr and ns4.whoisdomain.kr.

koentech.com shares at least some of its name servers with other domains, including fastez.com, dainit.com, galexkorea.com and two others.

The hosts ns1.whoisdomain.kr, ns2.whoisdomain.kr, ns3.whoisdomain.kr and ns4.whoisdomain.kr all resolve to exactly one IP address each: 223.130.139.7, 211.188.57.152, 61.97.189.22 and 219.251.156.134 respectively.

Mail Servers

koentech.com is served by two mail servers, securemx01.mailplug.com and securemx02.mailplug.com.

Among the domains sharing a mail server setup with koentech.com are cfmc.or.kr, datvision.co.kr, wsound.net and two others.

There is at least a partial MX overlap between koentech.com and other domains, including saewoosteel.com, pilkor.co.kr, kr-tech.com and two others.

Hostnames that map to three IP numbers:

The hostname securemx01.mailplug.com directs to 121.156.118.230, 121.156.118.237 and 121.156.118.242.

Host names that have two IP addresses:

securemx02.mailplug.com directs traffic to 223.26.214.11 and 223.26.214.12.