ohn.dk - dns.ninja

`ohn.dk`

DNSSEC	🔒 Signed (DS record present)
A	185.21.41.237^{🇩🇰 team-blue-denmark185.21.40.0/22 ZITCOM A/S}
		PTR	`linux31.curanet.dk`
NS	`ns1.curanet.dk` ⭐
		A	2a02:2339:4006:108::123^{🇩🇰 team-blue-denmark2a02:2339:4000::/34}
			PTR	`ns1.curanet.dk`
		A	185.25.141.12^{🇩🇰 team-blue-denmark185.25.141.0/24 Zitcom A/S}
			PTR	`ns1.curanet.dk`
NS	`ns2.curanet.dk`
		A	2a02:2339:1:10f::123:123^{🇩🇰 team-blue-denmark2a02:2339::/36}
			PTR	`ns2.curanet.dk`
		A	91.197.248.75^{🇩🇰 team-blue-denmark91.197.248.0/22}
			PTR	`ns2.curanet.dk`
MX	`ohn-dk.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::4^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db4pr02cu00204.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::5^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am1pr04cu00105.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::6^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am4pr0401cu00106.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::7^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am9pr04cu00107.inbound.protection.outlook.com`
		A	52.101.68.5^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-du2pr03cu00105.inbound.protection.outlook.com`
		A	52.101.68.8^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-du0pr03cu00100.inbound.protection.outlook.com`
		A	52.101.73.6^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am6pr04cu00306.inbound.protection.outlook.com`
		A	52.101.73.28^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am7pr05cu00204.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.protection.outlook.com include:spf.curanet.dk -all`
TXT	`MS=ms38501555`
SOA	`ns1.curanet.dk`hostmaster@curanet.dk 2023-11-27 #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 1786311720localtime Sun Aug 9 23:42:00 2026gmtime Sun Au...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1786311540

Same first word

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hon.in

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hno.ca

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hno.nl

noh.one

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hon.org.il

DNS History

9 records (4 active, 5 former)

○NSns.dandomain.dk2015-07-25 → 2017-01-13 · 4 obs

● 2015-07-25 23:58:30
● 2017-01-13 15:26:40
○ 2026-04-04 10:31:40
○ 2026-08-09 21:43:04

●NSns1.curanet.dk2026-04-04 → 2026-08-09 · 3 obs

○ 2017-01-13 15:26:40
● 2026-04-04 10:31:40
● 2026-08-09 21:43:04

●NSns2.curanet.dk2026-04-04 → 2026-08-09 · 3 obs

○ 2017-01-13 15:26:40
● 2026-04-04 10:31:40
● 2026-08-09 21:43:04

○NSns2.dandomain.dk2015-07-25 → 2017-01-13 · 4 obs

● 2015-07-25 23:58:30
● 2017-01-13 15:26:40
○ 2026-04-04 10:31:40
○ 2026-08-09 21:43:04

○NSns3.dandomain.dk2015-07-25 → 2017-01-13 · 4 obs

● 2015-07-25 23:58:30
● 2017-01-13 15:26:40
○ 2026-04-04 10:31:40
○ 2026-08-09 21:43:04

○MXmail.ohn.dk2015-07-25 → 2017-01-13 · 4 obs

● 2015-07-25 23:58:30
● 2017-01-13 15:26:40
○ 2026-04-04 10:31:40
○ 2026-08-09 21:43:04

●MXohn-dk.mail.protection.outlook.com2026-04-04 → 2026-08-09 · 3 obs

○ 2017-01-13 15:26:40
● 2026-04-04 10:31:40
● 2026-08-09 21:43:04

●A185.21.41.2372026-04-04 → 2026-08-09 · 3 obs

○ 2017-01-13 15:26:40
● 2026-04-04 10:31:40
● 2026-08-09 21:43:04

○A194.150.113.132015-07-25 → 2017-01-13 · 4 obs

● 2015-07-25 23:58:30
● 2017-01-13 15:26:40
○ 2026-04-04 10:31:40
○ 2026-08-09 21:43:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	c.nic.dk, l.nic.dk, t.nic.dk, s.nic.dk...	-
ohn.dk	ns1.curanet.dk, ns2.curanet.dk	-

✅ Authoritative Response

Server:91.197.248.75

NS records: ns1.curanet.dk, ns2.curanet.dk

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1468ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.21.41.237`
NS	2	`ns1.curanet.dk, ns2.curanet.dk`
MX	1	`ohn-dk.mail.protection.outlook.com (pri:`
TXT	2	`v=spf1 include:spf.protection.outlook.co, MS=ms38501555`
SOA	1	`ns1.curanet.dk hostmaster.curanet.dk`

Analysis

IP Addresses

ohn.dk has exactly one IP address — 185.21.41.237.

udviklingsserver.dk, www.fineman.dk, cirkuskrone.dk plus two other host names have IP numbers in common with ohn.dk.

Name Servers

ohn.dk uses two name servers for its delegation: ns1.curanet.dk and ns2.curanet.dk.

The name server configuration of ohn.dk is shared with other domains, for instance imperfect.dk, rosenberg-madsen.dk, yupex.de and two others.

ohn.dk shares at least some of its name servers with other domains, including coreit.dk, iwaki.dk, pouplier.com and two others.

These name servers are frequently paired with the name servers ns1.123hotel.dk and ns2.123hotel.dk.

The two host names ns1.curanet.dk and ns2.curanet.dk each have a pair of IP addresses: ns1.curanet.dk has 185.25.141.12 and 2a02:2339:4006:108::123, and ns2.curanet.dk has 91.197.248.75 and 2a02:2339:1:10f::123:123.

Mail Servers

ohn.dk uses one mail server — ohn-dk.mail.protection.outlook.com.

ohn-dk.mail.protection.outlook.com has 8 IP addresses: 52.101.68.5, 52.101.68.8, 52.101.73.6 plus 5 more.