coretech.info - dns.ninja

`coretech.info`

DNSSEC	⚠️ Not signed
A	211.43.12.102^{🇰🇷 KT-NET211.43.0.0/17 KT}
NS	`ns2.mailplug.com` ⭐
		A	14.49.38.179^{🇰🇷 KT-NET14.48.0.0/13 Korea Telecom}
			PTR	`mfwd22.mailplug.co.kr`
		A	223.26.214.22^{🇰🇷 HYOSUNGITX-AS-KR223.26.192.0/18 PACNET (proxy-registered route object)}
		A	223.26.214.41^{🇰🇷 HYOSUNGITX-AS-KR223.26.192.0/18 PACNET (proxy-registered route object)}
NS	`ns.mailplug.com`
		A	14.49.38.75^{🇰🇷 KT-NET14.48.0.0/13 Korea Telecom}
			PTR	`mfwd21.mailplug.co.kr`
		A	223.26.214.21^{🇰🇷 HYOSUNGITX-AS-KR223.26.192.0/18 PACNET (proxy-registered route object)}
		A	223.26.214.40^{🇰🇷 HYOSUNGITX-AS-KR223.26.192.0/18 PACNET (proxy-registered route object)}
MX	`mx01.mailplug.com` ⭐
		A	121.156.118.202^{🇰🇷 KT-NET121.152.0.0/13}
			PTR	`mx01.mailplug.com`
		A	121.156.118.204^{🇰🇷 KT-NET121.152.0.0/13}
			PTR	`mx01.mailplug.com`
		A	121.156.118.213^{🇰🇷 KT-NET121.152.0.0/13}
			PTR	`mx01.mailplug.com`
		A	121.156.118.220^{🇰🇷 KT-NET121.152.0.0/13}
			PTR	`mx01.mailplug.com`
		A	121.156.118.223^{🇰🇷 KT-NET121.152.0.0/13}
			PTR	`mx01.mailplug.com`
		A	121.156.118.248^{🇰🇷 KT-NET121.152.0.0/13}
			PTR	`mx01.mailplug.com`
MX	`mx02.mailplug.com`⁽²⁰⁾
		A	223.26.214.9^{🇰🇷 HYOSUNGITX-AS-KR223.26.192.0/18 PACNET (proxy-registered route object)}
		A	223.26.214.10^{🇰🇷 HYOSUNGITX-AS-KR223.26.192.0/18 PACNET (proxy-registered route object)}
TXT	`v=spf1 mx include:mailplug.com ~all`
SOA	`ns.mailplug.com`root@mailplug.com 2018-02-13 #0

`info`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.info.afilias-nst.info` ⭐
	NS	`a2.info.afilias-nst.info`
	NS	`b0.info.afilias-nst.org` ⚠️ Not in parent delegation
	NS	`b2.info.afilias-nst.org` ⚠️ Not in parent delegation
	NS	`c0.info.afilias-nst.info`
	NS	`d0.info.afilias-nst.org` ⚠️ Not in parent delegation
	SOA	`a0.info.afilias-nst.info`hostmaster@donuts.email serial=1782676418

Subdomains

mail.coretech.info

Same first word

coretech.cc

coretech.us

coretech.ch

coretech.com.mx

coretech.com.sg

coretech.co.nz

coretech.it

coretech.net

coretech.com.ar

coretech.com

coretech.azurewebsites.net

coretech.sg

coretech.ro

coretech.co

coretech.io.vn

coretech.pro

coretech.co.th

coretech.com.au

coretech.se

coretech.host

coretech.center

coretech.net.au

coretech.dk

coretech.hu

coretech.info

coretech.com.br

coretech.com.my

coretech.me

coretech.cl

coretech.ca

coretech.do

Similar names

DNS History

15 records (5 active, 10 former)

○NSdns1.namecheaphosting.com2017-04-03 → 2017-04-03 · 4 obs

○ 2016-09-13 13:52:18
● 2017-04-03 04:17:36
○ 2020-04-07 12:45:40
○ 2026-06-28 20:36:52

○NSdns2.namecheaphosting.com2017-04-03 → 2017-04-03 · 4 obs

○ 2016-09-13 13:52:18
● 2017-04-03 04:17:36
○ 2020-04-07 12:45:40
○ 2026-06-28 20:36:52

●NSns.mailplug.com2020-04-07 → 2026-06-28 · 3 obs

○ 2017-04-03 04:17:36
● 2020-04-07 12:45:40
● 2026-06-28 20:36:52

●NSns2.mailplug.com2020-04-07 → 2026-06-28 · 3 obs

○ 2017-04-03 04:17:36
● 2020-04-07 12:45:40
● 2026-06-28 20:36:52

○NSns73.worldnic.com2015-08-09 → 2016-04-02 · 4 obs

● 2015-08-09 21:27:22
● 2016-04-02 17:14:40
○ 2016-09-13 13:52:18
○ 2026-06-28 20:36:52

○NSns74.worldnic.com2015-08-09 → 2016-04-02 · 4 obs

● 2015-08-09 21:27:22
● 2016-04-02 17:14:40
○ 2016-09-13 13:52:18
○ 2026-06-28 20:36:52

○MXmail.coretech.info2017-04-03 → 2017-04-03 · 4 obs

○ 2016-09-13 13:52:18
● 2017-04-03 04:17:36
○ 2020-04-07 12:45:40
○ 2026-06-28 20:36:52

●MXmx01.mailplug.com2026-02-27 → 2026-06-28 · 3 obs

○ 2020-04-07 12:45:40
● 2026-02-27 21:34:26
● 2026-06-28 20:36:52

●MXmx02.mailplug.com2026-02-27 → 2026-06-28 · 3 obs

○ 2020-04-07 12:45:40
● 2026-02-27 21:34:26
● 2026-06-28 20:36:52

○MXp.webcom.ctmail.com2015-12-31 → 2016-04-02 · 4 obs

● 2015-12-31 22:50:46
● 2016-04-02 17:14:40
○ 2016-09-13 13:52:18
○ 2026-06-28 20:36:52

○MXwmail21.mailplug.com2020-04-07 → 2020-04-07 · 4 obs

○ 2017-04-03 04:17:36
● 2020-04-07 12:45:40
○ 2026-02-27 21:34:26
○ 2026-06-28 20:36:52

○A14.49.36.1412020-04-07 → 2020-04-07 · 4 obs

○ 2017-04-03 04:17:36
● 2020-04-07 12:45:40
○ 2026-02-27 21:34:26
○ 2026-06-28 20:36:52

○A198.187.31.892017-04-03 → 2017-04-03 · 4 obs

○ 2016-09-13 13:52:18
● 2017-04-03 04:17:36
○ 2020-04-07 12:45:40
○ 2026-06-28 20:36:52

○A208.91.197.272015-08-09 → 2016-04-02 · 4 obs

● 2015-08-09 21:27:22
● 2016-04-02 17:14:40
○ 2016-09-13 13:52:18
○ 2026-06-28 20:36:52

●A211.43.12.1022026-02-27 → 2026-06-28 · 3 obs

○ 2020-04-07 12:45:40
● 2026-02-27 21:34:26
● 2026-06-28 20:36:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
info	a0.info.afilias-nst.info, a2.info.afilias-nst.info, c0.info.afilias-nst.info	-
coretech.info	ns.mailplug.com, ns2.mailplug.com	-

✅ Authoritative Response

Server:223.26.214.22

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coretech.info (unsigned zone)

⏱️ Timing

Total: 2235ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`211.43.12.102`
NS	2	`ns.mailplug.com, ns2.mailplug.com`
MX	2	`mx02.mailplug.com (pri: 20), mx01.mailplug.com (pri: 10)`
TXT	1	`v=spf1 mx include:mailplug.com ~all`
SOA	1	`ns.mailplug.com root.mailplug.com`

Analysis

Hierarchy

coretech.info is a parent domain of mail.coretech.info.

IP Addresses

coretech.info resolves to one IP address: 211.43.12.102.

kbn-tv.net, artekr.com, idra.co.kr and two other host names share IP numbers with coretech.info.

Name Servers

coretech.info has two authoritative name servers — ns2.mailplug.com and ns.mailplug.com.

coretech.info uses the same name servers as several other domains — among them dasang.net, hyundai-electric.net, combaksa.co.kr and two more.

coretech.info shares at least some of its name servers with other domains, such as hantos.co.kr and junachy.com.

ns2.mailplug.com and ns.mailplug.com each resolve to three IP addresses. ns2.mailplug.com resolves to 14.49.38.179, 223.26.214.22 and 223.26.214.41. ns.mailplug.com resolves to 14.49.38.75, 223.26.214.21 and 223.26.214.40.

Mail Servers

Mail for coretech.info is handled by two mail servers — mx01.mailplug.com and mx02.mailplug.com.

coretech.info uses an identical mail server configuration to several other domains — among them fpcom.co.kr, imagine.or.kr, koreaaba.com and two more.

coretech.info has at least partial mail server overlap with other domains such as dobs.co.kr, superawesome.co.kr, dcarrick.co.kr and two more.

Hostnames that resolve to 6 IP addresses:

mx01.mailplug.com points to 121.156.118.202, 121.156.118.204, 121.156.118.213 and 3 other IP addresses.

Hostnames that resolve to two IP addresses:

mx02.mailplug.com resolves to 223.26.214.9 and 223.26.214.10.