`tcm.edu`

DNSSEC	⚠️ Not signed
A	188.40.16.217^{🇩🇪 Hetzner188.40.0.0/16 HETZNER-RZ-FKS-BLK1}
		PTR	`k41y20.meinserver.io`
NS	`master.domainkunden.de` ⭐
		A	195.234.228.79^{🇩🇪 QUALITYHOSTING-AS195.234.228.0/22 QUALITYHOSTING, Gelnhausen}
			PTR	`qhwebadmin.colt1.inetserver.de`
NS	`ns1.domainkunden.de`
		A	195.234.228.7^{🇩🇪 QUALITYHOSTING-AS195.234.228.0/22 QUALITYHOSTING, Gelnhausen}
			PTR	`ns1.domainkunden.de`
NS	`ns2.domainkunden.de`
		A	20.113.63.118^{🇩🇪 Microsoft20.64.0.0/10}
			PTR	`ns2.domainkunden.de`
MX	`mail.tcm.edu` ⭐
		A	188.40.16.217^{🇩🇪 Hetzner188.40.0.0/16 HETZNER-RZ-FKS-BLK1}
			PTR	`k41y20.meinserver.io`
TXT	`v=spf1 a mx a:k41y20.meinserver.io ip4:188.40.16.217 ~all`
SOA	`master.domainkunden.de`hostmaster@domainkunden.de 2024-04-17 #1

`edu`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.edu-servers.net` ⭐
	NS	`b.edu-servers.net`
	NS	`c.edu-servers.net`
	NS	`d.edu-servers.net`
	NS	`e.edu-servers.net`
	NS	`f.edu-servers.net`
	NS	`g.edu-servers.net`
	NS	`h.edu-servers.net`
	NS	`i.edu-servers.net`
	NS	`j.edu-servers.net`
	NS	`k.edu-servers.net`
	NS	`l.edu-servers.net`
	NS	`m.edu-servers.net`
	SOA	`a.edu-servers.net`nstld@verisign-grs.com serial=1774570817

rank #985325 globally
rank #3926 in the tld

Subdomains

mail.tcm.edu

Same first word

tcm.com.ua

tcm.com.au

tcm.se

tcm.coffee

tcm.cl

tcm.care

tcm.pl

tcm.center

tcm.ie

tcm.camp

tcm.com.tr

tcm.org

tcm.com.sg

tcm.io

tcm.com.sv

tcm.tv

tcm.com.pl

tcm.lv

tcm.com.ar

tcm.academy

tcm.org.sg

tcm.ma

tcm.co.mz

tcm.ac.jp

tcm.by

tcm.it

tcm.go.gov.br

tcm.co.in

tcm.healthcare

tcm.fi

tcm.cz

tcm.qc.ca

tcm.rj.gov.br

tcm.net.vn

tcm.technology

tcm.supply

tcm.ru

tcm.agency

tcm.fyi

tcm.team

tcm.is

tcm.pa.gov.br

tcm.expert

tcm.jp

tcm.international

tcm.de

tcm.at

tcm.cc

tcm.co.za

tcm.ac.uk

tcm.co

tcm.chat

tcm.gov.cn

tcm.co.il

tcm.bg

tcm.ro

tcm.co.th

tcm.schule

tcm.ba.gov.br

tcm.tw

tcm.im

tcm.digital

tcm.uk

tcm.kz

tcm.repair

tcm.us

tcm.be

tcm.house

tcm.co.at

tcm.edu

tcm.zone

tcm.sp.gov.br

tcm.in

tcm.no

tcm.fr

tcm.com

tcm.nl

tcm.su

tcm.net

Similar names

ctm.dk

ctm.ch

ctm.cash

tmc.gov.lv

cmt.tw

mct.vn

ctm.ws

mtc.lv

mtc.help

tmc.ru

mtc.sg

mct.me

cmt.us.com

tmc.ca

mct.gr.jp

mtc.systems

cmt.net.au

tmc.ac.uk

mct.kz

ctm.travel

mtc.gov.zm

mtc.spb.su

cmt.io

mtc.marketing

ctm.idv.tw

mct.cc

tmc.coop

tmc.hu

mtc.me

cmt.tc

mtc.be

ctm.at

mct.solutions

tmc.com

cmt.cn

mct.net.pl

mtc.world

tmc.io

tmc.be

mtc.com.hk

tmc.kz

tmc.net.ua

mtc.us

ctm.co.at

tmc.net

ctm.app

mtc.am

cmt.pw

mct.com.tr

ctm.de

ctm.support

mtc.expert

mct.co

tmc.ly

cmt.si

mtc.yn.cn

cmt.biz

tmc.co.th

tmc.one

mct.coffee

tmc.cz

ctm.lt

tmc.nu

cmt.training

mtc.edu.om

cmt.solutions

ctm.cc

ctm.us

cmt.cv

cmt.de

mtc.com.tw

mct.pl

mct.gob.ve

cmt.gr

ctm.ro

mtc.com.gr

tmc.co.kr

mct.am

mct.fr

mtc.cat

mtc.in

mtc.gmbh

cmt.ae

cmt.natal.br

mtc.edu.do

ctm.band

mtc.de

mtc.business

ctm.net

mtc.ps

tmc.eu

mct.systems

mct.gov.zm

ctm.org.cn

mtc.kg

ctm.durban

cmt.fi

ctm.cz

tmc.go.th

cmt.pp.ua

mct.in

mtc.ch

ctm.digital

tmc.bytom.pl

tmc.sk

mct.net.ph

ctm.cl

tmc.nfshost.com

mtc.lt

cmt.be

ctm.com.tr

mct.com.cn

mct.net.sa

mtc.house

mtc.com.my

tmc.property

ctm.solutions

mtc.university

mct.nu

mtc.gov

mct.org

tmc.at

tmc.com.ru

mct.go.tz

mtc.com.co

cmt.academy

cmt.co.uk

mtc.su

ctm.mq

mtc.org.il

tmc.web.tr

mct.net

ctm.no

mtc.com.na

ctm.es

ctm.mx

mct.ee

tmc.jetzt

cmt.ltd

mct.tax

ctm.eu.com

ctm.bike

mtc.pl

mtc.kz

mtc.ws

cmt.com.ru

cmt.by

mct.or.jp

tmc.my

cmt.ru

mtc.cn

ctm.tech

tmc.se

cmt.co.in

cmt.com.tr

mtc.mb.ca

ctm.capetown

cmt.net

mtc.berlin

mtc.gob.pe

ctm.hk

cmt.tools

tmc.tel

mtc.uz

tmc.edu

cmt.dk

mtc.org.ps

cmt.in

tmc.asia

DNS History

10 records (5 active, 5 former)

●NSmaster.domainkunden.de2015-08-07 → 2026-03-27 · 2 obs

● 2015-08-07 15:15:42
● 2026-03-27 00:46:38

●NSns1.domainkunden.de2015-08-07 → 2026-03-27 · 2 obs

● 2015-08-07 15:15:42
● 2026-03-27 00:46:38

●NSns2.domainkunden.de2015-08-07 → 2026-03-27 · 2 obs

● 2015-08-07 15:15:42
● 2026-03-27 00:46:38

○MXmail.ims-firmen.de2016-09-24 → 2016-12-16 · 5 obs

○ 2016-04-06 08:38:08
● 2016-09-24 22:36:26
● 2016-12-16 02:31:26
○ 2026-03-01 18:01:58
○ 2026-03-27 00:46:38

●MXmail.tcm.edu2026-03-01 → 2026-03-27 · 3 obs

○ 2016-12-16 02:31:26
● 2026-03-01 18:01:58
● 2026-03-27 00:46:38

○MXqhmx1.colt1.inetserver.de2015-08-07 → 2016-04-06 · 4 obs

● 2015-08-07 15:15:42
● 2016-04-06 08:38:08
○ 2016-09-24 22:36:26
○ 2026-03-27 00:46:38

○MXqhmx2.colt1.inetserver.de2015-08-07 → 2016-04-06 · 4 obs

● 2015-08-07 15:15:42
● 2016-04-06 08:38:08
○ 2016-09-24 22:36:26
○ 2026-03-27 00:46:38

○A178.77.65.72015-08-07 → 2016-01-21 · 4 obs

● 2015-08-07 15:15:42
● 2016-01-21 11:51:38
○ 2016-04-06 08:38:08
○ 2026-03-27 00:46:38

●A188.40.16.2172026-03-01 → 2026-03-27 · 3 obs

○ 2016-12-16 02:31:26
● 2026-03-01 18:01:58
● 2026-03-27 00:46:38

○A213.174.57.132016-04-06 → 2016-12-16 · 5 obs

○ 2016-01-21 11:51:38
● 2016-04-06 08:38:08
● 2016-12-16 02:31:26
○ 2026-03-01 18:01:58
○ 2026-03-27 00:46:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
edu	d.edu-servers.net, b.edu-servers.net, f.edu-servers.net, h.edu-servers.net...	-
tcm.edu	ns1.domainkunden.de, ns2.domainkunden.de	-

✅ Authoritative Response

Server:20.113.63.118

NS records: ns1.domainkunden.de, ns2.domainkunden.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tcm.edu (unsigned zone)

⏱️ Timing

Total: 951ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`188.40.16.217`
NS	2	`ns1.domainkunden.de, ns2.domainkunden.de`
MX	1	`mail.tcm.edu (pri: 10)`
TXT	1	`v=spf1 a mx a:k41y20.meinserver.io ip4:1`
SOA	1	`master.domainkunden.de hostmaster.domain`

Analysis

Hierarchy

tcm.edu is a parent of mail.tcm.edu.

IP Addresses

tcm.edu points to a single IP address: 188.40.16.217.

Other host names such as mail.eurocenter-wuerzburg.eu, mail.zejbrdlik.de, security-expo.com, bestsys.net and baz-praxisboerse.de share IP numbers with tcm.edu.

Name Servers

tcm.edu is delegated to three name servers: master.domainkunden.de, ns1.domainkunden.de and ns2.domainkunden.de.

At least part of the name servers for tcm.edu are shared with other domains, for instance software4ever.com, vhs-gutweiler.de, fradocom.de, ibpm-system.de and oliverjung.ch.

Host names with a single IP:

master.domainkunden.de points to: 195.234.228.79

ns1.domainkunden.de points to: 195.234.228.7

ns2.domainkunden.de points to: 20.113.63.118

Mail Servers

The mail server for tcm.edu is mail.tcm.edu.

tcm.edu shares the same mail server setup as other domains, for instance mail.tcm.edu.

Host mail.tcm.edu points to IP 188.40.16.217.

tcm.edu - robtex.com

tcm.edu

edu

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`tcm.edu`

`edu`