`onlineskolen.dk`

DNSSEC	⚠️ Not signed
A	195.254.168.193^{🇩🇰 AARHUS-KOEBMANDSSKOLE195.254.168.0/23 Aarhus Koebmandsskole Network}
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}
TXT	`@ventures`
SOA	`ns.efif.dk`dns-zc@efif.dk 2011-07-05 #76

`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 1778537882localtime Tue May 12 00:18:02 2026gmtime Mon Ma...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1778537882

Same first word

onlineskolen.no

onlineskolen.dk

DNS History

5 records (4 active, 1 former)

●NSns.efif.dk2015-07-04 → 2026-05-11 · 2 obs

● 2015-07-04 07:40:48
● 2026-05-11 22:33:16

●NSns2.efif.dk2015-07-04 → 2026-05-11 · 2 obs

● 2015-07-04 07:40:48
● 2026-05-11 22:33:16

●NSns3.efif.dk2016-01-29 → 2026-05-11 · 3 obs

○ 2015-07-04 07:40:48
● 2016-01-29 00:43:18
● 2026-05-11 22:33:16

●A195.254.168.1932017-10-01 → 2026-05-11 · 3 obs

○ 2016-05-03 04:19:06
● 2017-10-01 08:27:48
● 2026-05-11 22:33:16

○A195.254.168.882015-07-04 → 2016-05-03 · 4 obs

● 2015-07-04 07:40:48
● 2016-05-03 04:19:06
○ 2017-10-01 08:27:48
○ 2026-05-11 22:33:16

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:20.23.170.35

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 924ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`195.254.168.193`
NS	3	`ns.efif.dk, ns2.efif.dk...`
TXT	1	`@ventures`
SOA	1	`ns.efif.dk dns-zc.efif.dk`

📌 Glue Records Collected

Total: 3

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

Analysis

IP Addresses

onlineskolen.dk points to a single IP number: 195.254.168.193.

Name Servers

The delegation for onlineskolen.dk is handled by three name servers: ns2.efif.dk, ns3.efif.dk and ns.efif.dk.

onlineskolen.dk at least partially shares name servers with other domains, for instance naestved-gym.dk, learnmark.dk, silkeborghs.dk, zbc-kursuscenteret.dk and studiepraktik.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.

onlineskolen.dk - robtex.com

onlineskolen.dk

dk