`teknikkursus.dk`

DNSSEC	🔒 Signed (DS record present)
A	80.62.6.10^{🇩🇰 TDC80.62.0.0/15 Tele Danmark}
		PTR	`80-62-6-10-static.dk.customer.tdc.net`
NS	`ns01.one.com` ⭐
		A	2001:67c:28cc::10^{ONECOM-INFRA2001:67c:28cc::/48}
			PTR	`ns01.one.com`
		A	195.206.121.10^{ONECOM-INFRA195.206.121.0/24}
			PTR	`ns01.one.com`
NS	`ns02.one.com`
		A	2001:67c:3c0::10^{🇩🇰 ONECOM2001:67c:3c0::/48}
			PTR	`ns02.one.com`
		A	185.10.11.10^{ONECOM185.10.11.0/24}
			PTR	`ns02.one.com`
MX	`teknikkursus-dk.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::b^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-dbbpr03cu00103.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::2^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am0pr83cu00402.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::9^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as8pr04cu00801.inbound.protection.outlook.com`
		A	52.101.68.8^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-du0pr03cu00100.inbound.protection.outlook.com`
		A	52.101.68.25^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db8pr02cu00101.inbound.protection.outlook.com`
		A	52.101.73.1^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am3pr04cu00501.inbound.protection.outlook.com`
		A	52.101.73.6^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am6pr04cu00306.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
TXT	`MS=ms57937916`
SOA	`ns01.one.com`hostmaster@one.com 2026-03-24 #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 1786483800localtime Tue Aug 11 23:30:00 2026gmtime Tue Au...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1786483800

Same first word

teknikkursus.dk

DNS History

13 records (4 active, 9 former)

●NSns01.one.com2026-03-09 → 2026-08-11 · 3 obs

○ 2020-02-15 16:12:40
● 2026-03-09 06:37:28
● 2026-08-11 22:32:08

●NSns02.one.com2026-03-09 → 2026-08-11 · 3 obs

○ 2020-02-15 16:12:40
● 2026-03-09 06:37:28
● 2026-08-11 22:32:08

○NSns1.bdm.microsoftonline.com2015-10-25 → 2020-02-15 · 5 obs

○ 2015-06-07 15:14:18
● 2015-10-25 02:02:22
● 2020-02-15 16:12:40
○ 2026-03-09 06:37:28
○ 2026-08-11 22:32:08

○NSns1.gratisdns.dk2015-06-07 → 2020-02-15 · 4 obs

● 2015-06-07 15:14:18
● 2020-02-15 16:12:40
○ 2026-03-09 06:37:28
○ 2026-08-11 22:32:08

○NSns2.bdm.microsoftonline.com2015-10-25 → 2020-02-15 · 5 obs

○ 2015-06-07 15:14:18
● 2015-10-25 02:02:22
● 2020-02-15 16:12:40
○ 2026-03-09 06:37:28
○ 2026-08-11 22:32:08

○NSns2.gratisdns.dk2015-06-07 → 2020-02-15 · 4 obs

● 2015-06-07 15:14:18
● 2020-02-15 16:12:40
○ 2026-03-09 06:37:28
○ 2026-08-11 22:32:08

○NSns3.gratisdns.dk2015-06-07 → 2020-02-15 · 4 obs

● 2015-06-07 15:14:18
● 2020-02-15 16:12:40
○ 2026-03-09 06:37:28
○ 2026-08-11 22:32:08

○NSns4.gratisdns.dk2015-06-07 → 2020-02-15 · 4 obs

● 2015-06-07 15:14:18
● 2020-02-15 16:12:40
○ 2026-03-09 06:37:28
○ 2026-08-11 22:32:08

○NSns5.gratisdns.dk2015-06-07 → 2020-02-15 · 4 obs

● 2015-06-07 15:14:18
● 2020-02-15 16:12:40
○ 2026-03-09 06:37:28
○ 2026-08-11 22:32:08

○MX1401243739.pamx1.hotmail.com2015-06-07 → 2015-06-07 · 3 obs

● 2015-06-07 15:14:18
○ 2015-10-25 02:02:22
○ 2026-08-11 22:32:08

○MX948286056.pamx1.hotmail.com2015-06-07 → 2015-06-07 · 3 obs

● 2015-06-07 15:14:18
○ 2015-10-25 02:02:22
○ 2026-08-11 22:32:08

●MXteknikkursus-dk.mail.protection.outlook.com2015-10-25 → 2026-08-11 · 3 obs

○ 2015-06-07 15:14:18
● 2015-10-25 02:02:22
● 2026-08-11 22:32:08

●A80.62.6.102015-06-07 → 2026-08-11 · 2 obs

● 2015-06-07 15:14:18
● 2026-08-11 22:32:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	l.nic.dk, b.nic.dk, t.nic.dk, c.nic.dk...	-
teknikkursus.dk	ns01.one.com, ns02.one.com	-

✅ Authoritative Response

Server:185.10.11.10

NS records: ns01.one.com, ns02.one.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 918ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`80.62.6.10`
NS	2	`ns01.one.com, ns02.one.com`
MX	1	`teknikkursus-dk.mail.protection.outlook.`
TXT	2	`v=spf1 include:spf.protection.outlook.co, MS=ms57937916`
SOA	1	`ns01.one.com hostmaster.one.com`

Analysis

IP Addresses

teknikkursus.dk directs to one IP number, which is 80.62.6.10.

80-62-6-10-static.dk.customer.tdc.net and tinemadsen.dk are among other host names that share IP numbers with teknikkursus.dk.

Name Servers

teknikkursus.dk is delegated to two name servers: ns01.one.com and ns02.one.com.

teknikkursus.dk has the same name server delegation as a number of other domains, such as sk-aps.dk, hazypath.com, ekops.com and two more.

ns01.one.com and ns02.one.com each resolve to two IP addresses: ns01.one.com points to 195.206.121.10 and 2001:67c:28cc::10, while ns02.one.com points to 185.10.11.10 and 2001:67c:3c0::10.

Mail Servers

teknikkursus.dk routes its mail through a single mail server, teknikkursus-dk.mail.protection.outlook.com.

teknikkursus-dk.mail.protection.outlook.com directs to 8 IP numbers, including 52.101.68.8, 52.101.68.25 and 52.101.73.1, along with 5 other.

teknikkursus.dk - robtex.com

teknikkursus.dk

dk

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`teknikkursus.dk`

`dk`