`cortexgruppen.dk`

DNSSEC	⚠️ Not signed
A	23.102.28.49^{🇮🇪 Microsoft23.102.0.0/16 MICROSOFT}
NS	`ns1.gigahost.dk` ⭐
		A	46.183.139.31^{🇩🇰 SENTIA46.183.139.0/24}
NS	`ns2.gigahost.dk`
		A	46.183.139.222^{🇩🇰 SENTIA46.183.139.0/24}
			PTR	`web22.gigahost.dk`
NS	`ns3.gigahost.dk`
		A	71.19.249.71^{🇨🇦 ESECUREDATACOM-171.19.249.0/24 eSecureData.com Inc.}
			PTR	`ns3.gigahost.dk`
NS	`ns4.gigahost.dk`
		A	51.79.215.130^{🇸🇬 OVH51.79.128.0/17 Hosting route}
			PTR	`ns4.gigahost.dk`
NS	`ns5.gigahost.dk`
		A	77.74.192.83^{🇬🇧 UKSERVERS-AS77.74.192.0/21 UK Dedicated Servers Limited}
			PTR	`ns5.gigahost.dk`
MX	`cortexgruppen-dk.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::1^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00401.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::8^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db5pr02cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::c^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as8pr05cu00304.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::d^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as9pr05cu01305.inbound.protection.outlook.com`
		A	52.101.68.8^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-du0pr03cu00100.inbound.protection.outlook.com`
		A	52.101.68.12^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db9pr02cu00204.inbound.protection.outlook.com`
		A	52.101.73.19^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as8pr04cu00803.inbound.protection.outlook.com`
		A	52.101.73.24^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`ip-52-101-73-24.defastlink.net`
TXT	`v=spf1 include:spf.protection.outlook.com include:spf.smtp2go.com -all`
TXT	`MS=ms47918337`
SOA	`ns1.gigahost.dk`hostmaster@cortexgruppen.dk 2026-04-09 #1

`dk`

	DNSSEC	🔒 Signed (DS record present)
	NS	`b.nic.dk` ⭐
	NS	`c.nic.dk`
	NS	`h.nic.dk`
	NS	`l.nic.dk`
	NS	`s.nic.dk`
	NS	`t.nic.dk`
	TXT	`DK zone updateEpoch 1776071161localtime Mon Apr 13 11:06:01 2026gmtime Mon Ap...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1776071161

Same first word

cortexgruppen.dk

DNS History

8 records (7 active, 1 former)

●NSns1.gigahost.dk2021-05-18 → 2026-04-13 · 2 obs

● 2021-05-18 19:54:26
● 2026-04-13 09:36:56

●NSns2.gigahost.dk2021-05-18 → 2026-04-13 · 2 obs

● 2021-05-18 19:54:26
● 2026-04-13 09:36:56

●NSns3.gigahost.dk2021-05-18 → 2026-04-13 · 2 obs

● 2021-05-18 19:54:26
● 2026-04-13 09:36:56

●NSns4.gigahost.dk2021-05-18 → 2026-04-13 · 2 obs

● 2021-05-18 19:54:26
● 2026-04-13 09:36:56

●NSns5.gigahost.dk2021-05-18 → 2026-04-13 · 2 obs

● 2021-05-18 19:54:26
● 2026-04-13 09:36:56

●MXcortexgruppen-dk.mail.protection.outlook.com2021-05-18 → 2026-04-13 · 2 obs

● 2021-05-18 19:54:26
● 2026-04-13 09:36:56

●A23.102.28.492026-03-15 → 2026-04-13 · 3 obs

○ 2021-05-18 19:54:26
● 2026-03-15 09:12:36
● 2026-04-13 09:36:56

○A46.183.138.1002021-05-18 → 2021-05-18 · 3 obs

● 2021-05-18 19:54:26
○ 2026-03-15 09:12:36
○ 2026-04-13 09:36:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	b.nic.dk, h.nic.dk, t.nic.dk, c.nic.dk...	12 records
cortexgruppen.dk	ns1.gigahost.dk, ns2.gigahost.dk, ns3.gigahost.dk, ns4.gigahost.dk...	5 records

✅ Authoritative Response

Server:46.183.139.31

NS records: ns1.gigahost.dk, ns2.gigahost.dk, ns3.gigahost.dk, ns4.gigahost.dk, ns5.gigahost.dk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cortexgruppen.dk (unsigned zone)

⏱️ Timing

Total: 591ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`23.102.28.49`
NS	5	`ns3.gigahost.dk, ns4.gigahost.dk...`
MX	1	`cortexgruppen-dk.mail.protection.outlook`
TXT	2	`MS=ms47918337, v=spf1 include:spf.protection.outlook.co`
SOA	1	`ns1.gigahost.dk hostmaster.cortexgruppen`

📌 Glue Records Collected

Total: 17

In-bailiwick: 12 (b.nic.dk, b.nic.dk, h.nic.dk...)

Out-of-bailiwick: 5 (ns1.gigahost.dk, ns2.gigahost.dk, ns3.gigahost.dk...)

Analysis

IP Addresses

cortexgruppen.dk points to IP number 23.102.28.49.

Other host names, for example eco-log.pl and eco-log.at, share IPs with cortexgruppen.dk.

Name Servers

cortexgruppen.dk is delegated to five name servers: ns1.gigahost.dk, ns2.gigahost.dk, ns3.gigahost.dk, ns4.gigahost.dk and ns5.gigahost.dk.

cortexgruppen.dk shares name servers with other domains at least partially, for example unoplast.dk, odensegade16.dk, geveze.dk, stefanbrorsen.dk and stilium.ru.