rtr.dk - robtex.com

rtr.dk

DNSSEC🔒 Signed (DS record present)
A94.231.109.11🇩🇰 team-blue-denmark94.231.96.0/20 ZITCOM A/S
PTRnt8.unoeuro.com
NSns1.simply.com ⭐
A2a02:2339:1:15c::4562:4562🇩🇰 team-blue-denmark2a02:2339::/36
PTRns1.simply.com
A91.197.248.78🇩🇰 team-blue-denmark91.197.248.0/22
PTRns1.simply.com
NSns2.simply.com
A2a02:2339:4006:101::4562:4562🇩🇰 team-blue-denmark2a02:2339:4000::/34
PTRns2.simply.com
A185.25.141.15🇩🇰 team-blue-denmark185.25.141.0/24 Zitcom A/S
PTRns2.simply.com
NSns3.simply.com
A91.197.248.79🇩🇰 team-blue-denmark91.197.248.0/22
PTRns3.simply.com
NSns4.simply.com
A91.197.248.80🇩🇰 team-blue-denmark91.197.248.0/22
MXmx.simply.com ⭐
A94.231.106.20🇩🇰 team-blue-denmark94.231.96.0/20 ZITCOM A/S
PTRmx.simply.com
TXTv=spf1 include:spf.simply.com ?all
SOAns1.simply.comhostmaster@simply.com 2025-12-06 #4

dk

DNSSEC🔒 Signed (DS record present)
NSb.nic.dk ⭐
NSc.nic.dk
NSh.nic.dk
NSl.nic.dk
NSs.nic.dk
NSt.nic.dk
TXTDK zone updateEpoch 1784167381localtime Thu Jul 16 04:03:01 2026gmtime Thu Ju...
SOAb.nic.dktech@punktum.dk serial=1784167381

Same first word

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DNS History

13 records (6 active, 7 former)

20162017201820192020202120222023202420252026NSns1.simply.comns2.simply.comns3.simply.comns4.simply.comns1.surf-town.netns2.surf-town.netns3.surf-town.netMXmx.simply.commail1.surftown.dkmail20.surf-town.netA94.231.109.11212.97.132.101212.97.133.63
●NSns1.simply.com2021-06-27 → 2026-07-16 · 3 obs
○ 2018-09-27 07:59:38
● 2021-06-27 18:12:10
● 2026-07-16 02:19:18
○NSns1.surf-town.net2015-07-13 → 2018-09-27 · 4 obs
● 2015-07-13 07:05:52
● 2018-09-27 07:59:38
○ 2021-06-27 18:12:10
○ 2026-07-16 02:19:18
●NSns2.simply.com2021-06-27 → 2026-07-16 · 3 obs
○ 2018-09-27 07:59:38
● 2021-06-27 18:12:10
● 2026-07-16 02:19:18
○NSns2.surf-town.net2015-07-13 → 2018-09-27 · 4 obs
● 2015-07-13 07:05:52
● 2018-09-27 07:59:38
○ 2021-06-27 18:12:10
○ 2026-07-16 02:19:18
●NSns3.simply.com2021-06-27 → 2026-07-16 · 3 obs
○ 2018-09-27 07:59:38
● 2021-06-27 18:12:10
● 2026-07-16 02:19:18
○NSns3.surf-town.net2015-07-13 → 2018-09-27 · 4 obs
● 2015-07-13 07:05:52
● 2018-09-27 07:59:38
○ 2021-06-27 18:12:10
○ 2026-07-16 02:19:18
●NSns4.simply.com2021-06-27 → 2026-07-16 · 3 obs
○ 2018-09-27 07:59:38
● 2021-06-27 18:12:10
● 2026-07-16 02:19:18
○MXmail1.surftown.dk2015-07-13 → 2015-07-13 · 3 obs
● 2015-07-13 07:05:52
○ 2015-10-01 11:01:42
○ 2026-07-16 02:19:18
○MXmail20.surf-town.net2015-10-01 → 2018-09-27 · 5 obs
○ 2015-07-13 07:05:52
● 2015-10-01 11:01:42
● 2018-09-27 07:59:38
○ 2021-06-27 18:12:10
○ 2026-07-16 02:19:18
●MXmx.simply.com2021-06-27 → 2026-07-16 · 3 obs
○ 2018-09-27 07:59:38
● 2021-06-27 18:12:10
● 2026-07-16 02:19:18
○A212.97.132.1012015-07-13 → 2015-07-13 · 3 obs
● 2015-07-13 07:05:52
○ 2015-10-01 11:01:42
○ 2026-07-16 02:19:18
○A212.97.133.632015-10-01 → 2018-09-27 · 5 obs
○ 2015-07-13 07:05:52
● 2015-10-01 11:01:42
● 2018-09-27 07:59:38
○ 2021-06-27 18:12:10
○ 2026-07-16 02:19:18
●A94.231.109.112021-06-27 → 2026-07-16 · 3 obs
○ 2018-09-27 07:59:38
● 2021-06-27 18:12:10
● 2026-07-16 02:19:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dkt.nic.dk, h.nic.dk, l.nic.dk, b.nic.dk...-
rtr.dkns1.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: 1000ms | Queries: -

📄 Records

TypeCountSample Data
A194.231.109.11
NS4ns1.simply.com, ns2.simply.com...
MX1mx.simply.com (pri: 10)
TXT1v=spf1 include:spf.simply.com ?all
SOA1ns1.simply.com hostmaster.simply.com

Analysis

IP Addresses

rtr.dk resolves to just one IP address, 94.231.109.11.

Two other host names, along with andreasstahlberg.dk, vikarprogram.dk and mail2.devida.se, also share IP numbers with rtr.dk.

Name Servers

The NS records for rtr.dk point to four name servers: ns1.simply.com, ns2.simply.com, ns3.simply.com and ns4.simply.com.

rtr.dk partially shares its NS delegation with several other domains, including nycom.dk, danmission.org, norskekjendiser.no and two others.

Host names that have two IP addresses:

ns1.simply.com points to 91.197.248.78 and 2a02:2339:1:15c::4562:4562.

ns2.simply.com points to 185.25.141.15 and 2a02:2339:4006:101::4562:4562.

Host names that point to one IP address:

ns3.simply.com points to 91.197.248.79.

ns4.simply.com points to 91.197.248.80.

Mail Servers

The sole mail server for rtr.dk is mx.simply.com.

Among the domains sharing a mail server setup with rtr.dk are aggedam.dk, jamagroup.dk, bensens.dk and two others.

mx.simply.com resolves to a single IP number: 94.231.106.20.