`dk.columbusit.com`

DNSSEC	⚠️ Not signed
MX	`dk-columbusit-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::7^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db4pr02cu00307.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::9^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00601.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::3^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am6pr04cu00303.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::e^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am7pr05cu00206.inbound.protection.outlook.com`
		A	52.101.68.10^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dbbpr03cu00102.inbound.protection.outlook.com`
		A	52.101.73.4^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am0pr83cu00404.inbound.protection.outlook.com`
		A	52.101.73.19^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as8pr04cu00803.inbound.protection.outlook.com`
		A	52.101.73.153^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as8pr05cu00401.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.messagelabs.com include:spf.protection.outlook.com include...`

`columbusit.com`

	DNSSEC	⚠️ Not signed
	A	80.92.65.188^{🇱🇺 DCLUX-AS80.92.65.0/24}
	NS	`ns1.eurodns.com` ⭐
	NS	`ns2.eurodns.com`
	NS	`ns3.eurodns.com`
	NS	`ns4.eurodns.com`
	MX	`columbusit-com.mail.protection.outlook.com` ⭐
	TXT	`v=spf1 include:spf.messagelabs.com ip4:89.104.216.0/24 ip4:89.104.217.0/24 ip...`
	TXT	`MS=ms76693731`
	TXT	`QFxqhNgKgNvDIo59DtWtRMNNxDIBGUipuFvfGAbO838=`
	TXT	`_globalsign-domain-verification=tuQb6bqIeMbTKyaGFcP7duDFMOPSrLuaVni3cQtPZp`
	SOA	`ns1.eurodns.com`hostmaster@eurodns.com 2021-12-18 #21

📈 Tranco rank: #663,297

Subdomains

mail.dk.columbusit.com

Same first word

dk.krakow.pl

dk.com.pk

dk.ac.th

dk.eu.org

dk.co.mz

dk.dp.ua

dk.net.ua

dk.to

dk.ai

dk.pizza

dk.edgesuite.net

dk.sa

dk.nic.in

dk.com.tw

dk.by

dk.kg

dk.lt

dk.co.uk

dk.net

dk.al

dk.world

dk.ws

dk.my

dk.legal

dk.cpa

dk.szczecin.pl

dk.co.id

dk.no

dk.gs

dk.myshopify.com

dk.ht

dk.org

dk.org.nz

dk.club

dk.s3-eu-central-1.amazonaws.com

dk.servebeer.com

dk.is

dk.co

dk.de

dk.pe.kr

dk.com.ua

dk.s3-website-eu-west-1.amazonaws.com

dk

dk.hu

dk.co.kr

dk.global.ssl.fastly.net

dk.nl

dk.pl

dk.vg

dk.ph

dk.fr

dk.agency

dk.se

dk.md

dk.engineering

dk.ee

dk.ge

dk.s3.amazonaws.com

dk.sg

dk.lv

dk.com

dk.vip

dk.digital

dk.ru

dk.s3-eu-west-1.amazonaws.com

dk.dk

dk.co.th

dk.com.mx

dk.ua

dk.com.my

dk.cm

dk.mba

dk.be

dk.su

dk.bt

dk.cn

dk.kz

dk.am

Similar names

kd.cm

kd.co.kr

kd.tj

kd.kz

kd.net.au

kd.ua

kd.biz

kd.com.tr

kd.la

kd.su

kd.com.au

kd.net

kd.equipment

kd.com

kd.sk

kd.center

kd.to

kd.com.br

kd.construction

kd.de

kd.ac.kr

kd.fyi

kd.co

kd.fr

kd.ddns.net

kd.co.th

kd.nu

kd.gov.lv

kd.id.lv

kd.dev

kd.cn

kd.nl

kd.chat

kd.ro

kd.dep.no

kd.lt

kd.pl

kd.tv

kd.eu

kd.co.za

kd.cz

kd.com.tw

kd.world

kd.business

kd.fi

kd.team

kd.com.pl

kd.org

kd.cc

kd.ac.th

kd.dk

kd.se

DNS History

9 records (1 active, 8 former)

○NSns1.ascio.net2009-01-28 → 2009-01-28 · 3 obs

● 2009-01-28 20:37:16
○ 2015-08-06 18:30:16
○ 2026-03-28 23:17:08

○NSns2.ascio.net2009-01-28 → 2009-01-28 · 3 obs

● 2009-01-28 20:37:16
○ 2015-08-06 18:30:16
○ 2026-03-28 23:17:08

○NSns3.ascio.net2009-01-28 → 2009-01-28 · 3 obs

● 2009-01-28 20:37:16
○ 2015-08-06 18:30:16
○ 2026-03-28 23:17:08

○MXcluster4.eu.messagelabs.com2015-08-06 → 2016-06-24 · 4 obs

○ 2009-01-28 20:37:16
● 2015-08-06 18:30:16
● 2016-06-24 23:05:06
○ 2026-03-28 23:17:08

○MXcluster4a.eu.messagelabs.com2015-08-06 → 2016-06-24 · 4 obs

○ 2009-01-28 20:37:16
● 2015-08-06 18:30:16
● 2016-06-24 23:05:06
○ 2026-03-28 23:17:08

●MXdk-columbusit-com.mail.protection.outlook.com2026-03-28 → 2026-03-28 · 2 obs

○ 2016-06-24 23:05:06
● 2026-03-28 23:17:08

○MXscanner1.virus112.com2009-01-28 → 2009-01-28 · 3 obs

● 2009-01-28 20:37:16
○ 2015-08-06 18:30:16
○ 2026-03-28 23:17:08

○MXscanner2.virus112.com2009-01-28 → 2009-01-28 · 3 obs

● 2009-01-28 20:37:16
○ 2015-08-06 18:30:16
○ 2026-03-28 23:17:08

○MXscanner3.virus112.dk2009-01-28 → 2009-01-28 · 3 obs

● 2009-01-28 20:37:16
○ 2015-08-06 18:30:16
○ 2026-03-28 23:17:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
columbusit.com	ns1.eurodns.com, ns2.eurodns.com, ns3.eurodns.com, ns4.eurodns.com	8 records

✅ Authoritative Response

Server:199.167.66.108

NS records: ns1.eurodns.com, ns2.eurodns.com, ns3.eurodns.com, ns4.eurodns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for columbusit.com (unsigned zone)

⏱️ Timing

Total: 113ms | Queries: -

📄 Records

Type	Count	Sample Data
MX	1	`dk-columbusit-com.mail.protection.outloo`
TXT	1	`v=spf1 include:spf.messagelabs.com inclu`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns1.eurodns.com, ns1.eurodns.com, ns2.eurodns.com...)

Analysis

Hierarchy

mail.dk.columbusit.com is a child of dk.columbusit.com.

Mail Servers

A single mail server handles dk.columbusit.com, dk-columbusit-com.mail.protection.outlook.com.

Host dk-columbusit-com.mail.protection.outlook.com points to eight IPs: 2a01:111:f403:ca04::7, 2a01:111:f403:ca04::9, 2a01:111:f403:ca09::3, 2a01:111:f403:ca09::e, 52.101.68.10, 52.101.73.4, 52.101.73.19 and 52.101.73.153.

dk.columbusit.com - robtex.com