rtm.dk - dns.ninja

`rtm.dk`

DNSSEC	🔒 Signed (DS record present)
A	185.20.205.43^{🇩🇰 team-blue-denmark185.20.204.0/22}
		PTR	`linux369.unoeuro.com`
NS	`ns1.simply.com` ⭐
		A	2a02:2339:1:15c::4562:4562^{🇩🇰 team-blue-denmark2a02:2339::/36}
			PTR	`ns1.simply.com`
		A	91.197.248.78^{🇩🇰 team-blue-denmark91.197.248.0/22}
			PTR	`ns1.simply.com`
NS	`ns2.simply.com`
		A	2a02:2339:4006:101::4562:4562^{🇩🇰 team-blue-denmark2a02:2339:4000::/34}
			PTR	`ns2.simply.com`
		A	185.25.141.15^{🇩🇰 team-blue-denmark185.25.141.0/24 Zitcom A/S}
			PTR	`ns2.simply.com`
NS	`ns3.simply.com`
		A	91.197.248.79^{🇩🇰 team-blue-denmark91.197.248.0/22}
			PTR	`ns3.simply.com`
NS	`ns4.simply.com`
		A	91.197.248.80^{🇩🇰 team-blue-denmark91.197.248.0/22}
			PTR	`ns4.simply.com`
MX	`rtm-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::4^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am0pr04cu00504.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::20^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as8pr05cu00400.inbound.protection.outlook.com`
		A	52.101.68.5^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-du2pr03cu00105.inbound.protection.outlook.com`
		A	52.101.73.6^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am6pr04cu00306.inbound.protection.outlook.com`
		A	52.101.73.8^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am0pr04cu00500.inbound.protection.outlook.com`
		A	52.101.73.30^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am7pr05cu00306.inbound.protection.outlook.com`
TXT	`MS=ms67392293`
TXT	`apple-domain-verification=aHSxeBh3Kfw21Ax8`
TXT	`v=spf1 +a +mx include:spf.protection.outlook.com -all`
SOA	`ns1.simply.com`hostmaster@simply.com 2025-06-10 #0

`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 1784483821localtime Sun Jul 19 19:57:01 2026gmtime Sun Ju...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1784483821

Same first word

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DNS History

17 records (6 active, 11 former)

○NSns1.avalonia.com2015-08-30 → 2017-05-11 · 4 obs

● 2015-08-30 15:35:48
● 2017-05-11 16:17:36
○ 2026-02-15 22:31:46
○ 2026-07-19 18:25:48

●NSns1.simply.com2026-02-15 → 2026-07-19 · 3 obs

○ 2017-05-11 16:17:36
● 2026-02-15 22:31:46
● 2026-07-19 18:25:48

○NSns2.avalonia.com2015-08-30 → 2017-05-11 · 4 obs

● 2015-08-30 15:35:48
● 2017-05-11 16:17:36
○ 2026-02-15 22:31:46
○ 2026-07-19 18:25:48

●NSns2.simply.com2026-02-15 → 2026-07-19 · 3 obs

○ 2017-05-11 16:17:36
● 2026-02-15 22:31:46
● 2026-07-19 18:25:48

○NSns3.avalonia.com2015-08-30 → 2017-05-11 · 4 obs

● 2015-08-30 15:35:48
● 2017-05-11 16:17:36
○ 2026-02-15 22:31:46
○ 2026-07-19 18:25:48

●NSns3.simply.com2026-02-15 → 2026-07-19 · 3 obs

○ 2017-05-11 16:17:36
● 2026-02-15 22:31:46
● 2026-07-19 18:25:48

○NSns4.avalonia.com2015-08-30 → 2017-05-11 · 4 obs

● 2015-08-30 15:35:48
● 2017-05-11 16:17:36
○ 2026-02-15 22:31:46
○ 2026-07-19 18:25:48

●NSns4.simply.com2026-02-15 → 2026-07-19 · 3 obs

○ 2017-05-11 16:17:36
● 2026-02-15 22:31:46
● 2026-07-19 18:25:48

○MXalt1.aspmx.l.google.com2015-08-30 → 2017-05-11 · 4 obs

● 2015-08-30 15:35:48
● 2017-05-11 16:17:36
○ 2026-02-15 22:31:46
○ 2026-07-19 18:25:48

○MXalt2.aspmx.l.google.com2015-08-30 → 2017-05-11 · 4 obs

● 2015-08-30 15:35:48
● 2017-05-11 16:17:36
○ 2026-02-15 22:31:46
○ 2026-07-19 18:25:48

○MXaspmx.l.google.com2015-08-30 → 2017-05-11 · 4 obs

● 2015-08-30 15:35:48
● 2017-05-11 16:17:36
○ 2026-02-15 22:31:46
○ 2026-07-19 18:25:48

○MXaspmx2.googlemail.com2015-08-30 → 2017-05-11 · 4 obs

● 2015-08-30 15:35:48
● 2017-05-11 16:17:36
○ 2026-02-15 22:31:46
○ 2026-07-19 18:25:48

○MXaspmx3.googlemail.com2015-08-30 → 2017-05-11 · 4 obs

● 2015-08-30 15:35:48
● 2017-05-11 16:17:36
○ 2026-02-15 22:31:46
○ 2026-07-19 18:25:48

●MXrtm-dk.mail.protection.outlook.com2026-02-15 → 2026-07-19 · 3 obs

○ 2017-05-11 16:17:36
● 2026-02-15 22:31:46
● 2026-07-19 18:25:48

●A185.20.205.432026-02-15 → 2026-07-19 · 3 obs

○ 2017-05-11 16:17:36
● 2026-02-15 22:31:46
● 2026-07-19 18:25:48

○A62.243.190.1052015-08-30 → 2016-05-23 · 4 obs

● 2015-08-30 15:35:48
● 2016-05-23 17:12:14
○ 2016-06-14 20:50:06
○ 2026-07-19 18:25:48

○A62.243.191.452016-06-14 → 2017-05-11 · 5 obs

○ 2016-05-23 17:12:14
● 2016-06-14 20:50:06
● 2017-05-11 16:17:36
○ 2026-02-15 22:31:46
○ 2026-07-19 18:25:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	b.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk...	-
rtm.dk	ns1.simply.com, ns2.simply.com, ns3.simply.com, ns4.simply.com	-

✅ Authoritative Response

Server:91.197.248.78

NS records: ns1.simply.com, ns2.simply.com, ns3.simply.com, ns4.simply.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1023ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.20.205.43`
NS	4	`ns2.simply.com, ns4.simply.com...`
MX	1	`rtm-dk.mail.protection.outlook.com (pri:`
TXT	3	`MS=ms67392293, v=spf1 +a +mx include:spf.protection.out...`
SOA	1	`ns1.simply.com hostmaster.simply.com`

Analysis

IP Addresses

rtm.dk directs to one IP number, which is 185.20.205.43.

Among the host names that share IP numbers with rtm.dk are sommerhusudleje.dk, brfekoln.se, mediamotor.se and two others.

Name Servers

The domain rtm.dk is delegated to these four name servers: ns1.simply.com, ns2.simply.com, ns3.simply.com and ns4.simply.com.

The name servers of rtm.dk overlap at least partially with those of other domains — among them grathwol.eu, d3p.dk, eazyproject.net and two more.

Hosts with two IP numbers each:

ns1.simply.com resolves to two addresses: 91.197.248.78 and 2a02:2339:1:15c::4562:4562.

ns2.simply.com resolves to two addresses: 185.25.141.15 and 2a02:2339:4006:101::4562:4562.

Hosts that resolve to one IP address:

The hostname ns3.simply.com resolves to 91.197.248.79.

The hostname ns4.simply.com resolves to 91.197.248.80.

Mail Servers

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

rtm-dk.mail.protection.outlook.com directs to 8 IP numbers, including 52.101.68.5, 52.101.73.6 and 52.101.73.8, along with 5 other.