mrt.dk - dns.ninja

`mrt.dk`

DNSSEC	🔒 Signed (DS record present)
A	193.8.37.85^{🇩🇰 TELIANET-DENMARK193.8.37.0/24}
NS	`ns1.dnsserver.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.dnsserver.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	`mrt-dk.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::8^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db5pr02cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::10^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-dbapr03cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::1^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as9pr07cu00301.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::4^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am0pr04cu00504.inbound.protection.outlook.com`
		A	52.101.68.15^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db6pr03cu00107.inbound.protection.outlook.com`
		A	52.101.68.39^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db7pr03cu00607.inbound.protection.outlook.com`
		A	52.101.73.11^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am1pr04cu00103.inbound.protection.outlook.com`
		A	52.101.73.26^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as9pr05cu01302.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.protection.outlook.com ip4:193.8.36.0/22 -all`
SOA	`ns1.dnsserver.dk`hostmaster@curanet.dk 2025-12-22 #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 1782789301localtime Tue Jun 30 05:15:01 2026gmtime Tue Ju...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1782789301

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DNS History

11 records (4 active, 7 former)

○NSns1.danaweb.org2015-08-04 → 2020-10-12 · 4 obs

● 2015-08-04 11:28:42
● 2020-10-12 14:08:40
○ 2026-03-06 15:00:56
○ 2026-06-30 03:59:46

●NSns1.dnsserver.dk2026-03-06 → 2026-06-30 · 3 obs

○ 2020-10-12 14:08:40
● 2026-03-06 15:00:56
● 2026-06-30 03:59:46

○NSns2.danaweb.org2015-08-04 → 2020-10-12 · 4 obs

● 2015-08-04 11:28:42
● 2020-10-12 14:08:40
○ 2026-03-06 15:00:56
○ 2026-06-30 03:59:46

●NSns2.dnsserver.dk2026-03-06 → 2026-06-30 · 3 obs

○ 2020-10-12 14:08:40
● 2026-03-06 15:00:56
● 2026-06-30 03:59:46

○NSns3.danaweb.org2015-08-04 → 2020-10-12 · 4 obs

● 2015-08-04 11:28:42
● 2020-10-12 14:08:40
○ 2026-03-06 15:00:56
○ 2026-06-30 03:59:46

○NSns4.danaweb.org2015-08-04 → 2020-10-12 · 4 obs

● 2015-08-04 11:28:42
● 2020-10-12 14:08:40
○ 2026-03-06 15:00:56
○ 2026-06-30 03:59:46

○MXdanasafe1.danaweb.org2015-08-04 → 2017-03-24 · 4 obs

● 2015-08-04 11:28:42
● 2017-03-24 16:22:46
○ 2020-10-12 14:08:40
○ 2026-06-30 03:59:46

○MXdanasafe2.danaweb.org2015-08-04 → 2017-03-24 · 4 obs

● 2015-08-04 11:28:42
● 2017-03-24 16:22:46
○ 2020-10-12 14:08:40
○ 2026-06-30 03:59:46

●MXmrt-dk.mail.protection.outlook.com2020-10-12 → 2026-06-30 · 3 obs

○ 2017-03-24 16:22:46
● 2020-10-12 14:08:40
● 2026-06-30 03:59:46

○A193.8.37.192015-08-04 → 2017-03-24 · 4 obs

● 2015-08-04 11:28:42
● 2017-03-24 16:22:46
○ 2020-10-12 14:08:40
○ 2026-06-30 03:59:46

●A193.8.37.852020-10-12 → 2026-06-30 · 3 obs

○ 2017-03-24 16:22:46
● 2020-10-12 14:08:40
● 2026-06-30 03:59:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	b.nic.dk, h.nic.dk, t.nic.dk, c.nic.dk...	-
mrt.dk	ns1.dnsserver.dk, ns2.dnsserver.dk	-

✅ Authoritative Response

Server:185.25.141.12

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 2567ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`193.8.37.85`
NS	2	`ns1.dnsserver.dk, ns2.dnsserver.dk`
MX	1	`mrt-dk.mail.protection.outlook.com (pri:`
TXT	1	`v=spf1 include:spf.protection.outlook.co`
SOA	1	`ns1.dnsserver.dk hostmaster.curanet.dk`

Analysis

IP Addresses

mrt.dk points to a single IP number: 193.8.37.85.

Additional host names — saveniels.dk, xn--sdertak-90a.se, glaskroen.dk and two others — share IP numbers with mrt.dk.

Name Servers

mrt.dk is delegated to two name servers: ns1.dnsserver.dk and ns2.dnsserver.dk.

mrt.dk shares its name server setup with other domains, including cnc-syd.com, e-gartner.dk, rossa.dk and two others.

mrt.dk has some name servers in common with other domains such as traad.net, ac-mejerimaskiner.dk and food-hygiene-solutions.com

These name servers frequently co-occur with the name servers ns1.curanet.dk and ns2.curanet.dk.

ns1.dnsserver.dk and ns2.dnsserver.dk each resolve to two IP addresses: ns1.dnsserver.dk points to 185.25.141.12 and 2a02:2339:4006:108::123, while ns2.dnsserver.dk points to 91.197.248.75 and 2a02:2339:1:10f::123:123.

Mail Servers

mrt.dk has one mail server: mrt-dk.mail.protection.outlook.com.

mrt-dk.mail.protection.outlook.com points to 8 IP numbers: 52.101.68.15, 52.101.68.39, 52.101.73.11 and 5 other.