`studiepraktik.dk`

DNSSEC	🔒 Signed (DS record present)
A	2a01:111:f100:9001::1761:910d^{🇳🇱 Microsoft2a01:111:f000::/36}
A	20.224.200.212^{🇳🇱 Microsoft20.192.0.0/10}
NS	`ns2.efif.dk` ⭐
		A	195.254.168.12^{🇩🇰 AARHUS-KOEBMANDSSKOLE195.254.168.0/23 Aarhus Koebmandsskole Network}
			PTR	`ns2.efif.dk`
NS	`ns.efif.dk`
		A	195.254.168.23^{🇩🇰 AARHUS-KOEBMANDSSKOLE195.254.168.0/23 Aarhus Koebmandsskole Network}
			PTR	`ns.efif.dk`
NS	`ns3.efif.dk`
		A	20.23.170.35^{🇳🇱 Microsoft20.0.0.0/11 MICROSOFT}
MX	`studiepraktik-dk.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::a^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-du0pr03cu00102.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::d^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db6pr03cu00105.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::f^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00507.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::d^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as9pr05cu01305.inbound.protection.outlook.com`
		A	52.101.68.15^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db6pr03cu00107.inbound.protection.outlook.com`
		A	52.101.73.2^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as9pr07cu00302.inbound.protection.outlook.com`
		A	52.101.73.15^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am9pr04cu00107.inbound.protection.outlook.com`
		A	52.101.73.30^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am7pr05cu00306.inbound.protection.outlook.com`
TXT	`EAA`
TXT	`v=spf1 include:spf.protection.outlook.com include:_spf2.efif.dk include:u3200...`
TXT	`MS=ms90397392`
SOA	`ns.efif.dk`dns-zc@efif.dk 2021-03-09 #55

`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 1778347081localtime Sat May 9 19:18:01 2026gmtime Sat Ma...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1778347081

Same first word

studiepraktik.nu

studiepraktik.dk

DNS History

18 records (6 active, 12 former)

○NSbeth.ns.cloudflare.com2015-06-23 → 2016-04-07 · 4 obs

● 2015-06-23 20:07:18
● 2016-04-07 00:59:56
○ 2016-10-01 08:31:18
○ 2026-05-09 17:21:46

○NSinfobloxgm2.au.dk2017-05-21 → 2017-05-21 · 4 obs

○ 2016-10-01 08:31:18
● 2017-05-21 13:01:04
○ 2026-03-30 02:16:22
○ 2026-05-09 17:21:46

○NSjim.ns.cloudflare.com2015-06-23 → 2016-04-07 · 4 obs

● 2015-06-23 20:07:18
● 2016-04-07 00:59:56
○ 2016-10-01 08:31:18
○ 2026-05-09 17:21:46

●NSns.efif.dk2026-03-30 → 2026-05-09 · 3 obs

○ 2017-05-21 13:01:04
● 2026-03-30 02:16:22
● 2026-05-09 17:21:46

●NSns2.efif.dk2026-03-30 → 2026-05-09 · 3 obs

○ 2017-05-21 13:01:04
● 2026-03-30 02:16:22
● 2026-05-09 17:21:46

○NSns3.au.dk2017-05-21 → 2017-05-21 · 4 obs

○ 2016-10-01 08:31:18
● 2017-05-21 13:01:04
○ 2026-03-30 02:16:22
○ 2026-05-09 17:21:46

●NSns3.efif.dk2026-03-30 → 2026-05-09 · 3 obs

○ 2017-05-21 13:01:04
● 2026-03-30 02:16:22
● 2026-05-09 17:21:46

○NSns4.au.dk2017-05-21 → 2017-05-21 · 4 obs

○ 2016-10-01 08:31:18
● 2017-05-21 13:01:04
○ 2026-03-30 02:16:22
○ 2026-05-09 17:21:46

○NSns5.au.dk2017-05-21 → 2017-05-21 · 4 obs

○ 2016-10-01 08:31:18
● 2017-05-21 13:01:04
○ 2026-03-30 02:16:22
○ 2026-05-09 17:21:46

●MXstudiepraktik-dk.mail.protection.outlook.com2026-03-30 → 2026-05-09 · 2 obs

● 2026-03-30 02:16:22
● 2026-05-09 17:21:46

○A104.24.114.1892015-06-23 → 2016-04-07 · 4 obs

● 2015-06-23 20:07:18
● 2016-04-07 00:59:56
○ 2016-10-01 08:31:18
○ 2026-05-09 17:21:46

○A104.24.115.1892015-06-23 → 2016-04-07 · 4 obs

● 2015-06-23 20:07:18
● 2016-04-07 00:59:56
○ 2016-10-01 08:31:18
○ 2026-05-09 17:21:46

○A130.225.30.1442017-05-21 → 2017-05-21 · 4 obs

○ 2016-10-01 08:31:18
● 2017-05-21 13:01:04
○ 2026-03-30 02:16:22
○ 2026-05-09 17:21:46

○A20.105.224.492026-03-30 → 2026-05-01 · 4 obs

○ 2017-05-21 13:01:04
● 2026-03-30 02:16:22
● 2026-05-01 04:08:32
○ 2026-05-09 17:21:46

●A20.224.200.2122026-05-09 → 2026-05-09 · 2 obs

○ 2026-05-01 04:08:32
● 2026-05-09 17:21:46

○A2400:cb00:2048:1::6818:72bd2015-06-23 → 2016-04-07 · 4 obs

● 2015-06-23 20:07:18
● 2016-04-07 00:59:56
○ 2016-10-01 08:31:18
○ 2026-05-09 17:21:46

○A2400:cb00:2048:1::6818:73bd2015-06-23 → 2016-04-07 · 4 obs

● 2015-06-23 20:07:18
● 2016-04-07 00:59:56
○ 2016-10-01 08:31:18
○ 2026-05-09 17:21:46

●A2a01:111:f100:9001::1761:910d2026-05-09 → 2026-05-09 · 2 obs

○ 2026-05-01 04:08:32
● 2026-05-09 17:21:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	l.nic.dk, h.nic.dk, b.nic.dk, c.nic.dk...	-
studiepraktik.dk	ns.efif.dk, ns2.efif.dk, ns3.efif.dk	3 records

✅ Authoritative Response

Server:195.254.168.23

NS records: ns.efif.dk, ns2.efif.dk, ns3.efif.dk

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 716ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`20.224.200.212`
AAAA	1	`2a01:111:f100:9001::1761:910d`
NS	3	`ns.efif.dk, ns2.efif.dk...`
MX	1	`studiepraktik-dk.mail.protection.outlook`
TXT	3	`EAA, MS=ms90397392...`
SOA	1	`ns.efif.dk dns-zc.efif.dk`

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns.efif.dk, ns2.efif.dk, ns3.efif.dk)

Analysis

IP Addresses

studiepraktik.dk resolves to two IPs: 2a01:111:f100:9001::1761:910d and 20.224.200.212.

Other host names, for instance ns2.tilroe.eu, share IP numbers with studiepraktik.dk.

Name Servers

studiepraktik.dk is delegated to three name servers: ns2.efif.dk, ns3.efif.dk and ns.efif.dk.

studiepraktik.dk at least partially shares name servers with other domains, for instance handelsfagskolen.dk, baaa.dk, grownet.dk, horsenshs.dk and kobmandsskole.dk.

Host names with one IP number:

ns2.efif.dk points to 195.254.168.12.

ns3.efif.dk points to 20.23.170.35.

ns.efif.dk points to 195.254.168.23.

Mail Servers

studiepraktik.dk is handled by a single mail server, studiepraktik-dk.mail.protection.outlook.com.

Host name studiepraktik-dk.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::a, 2a01:111:f403:ca04::d, 2a01:111:f403:ca04::f, 2a01:111:f403:ca09::d, 52.101.68.15, 52.101.73.2, 52.101.73.15 and 52.101.73.30.

studiepraktik.dk - robtex.com