rex.dk - dns.ninja

rex.dk

DNSSEC⚠️ Not signed
A94.231.103.167🇩🇰 team-blue-denmark94.231.96.0/20 ZITCOM A/S
PTRlinux149.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
MXrex-dk.mail.protection.outlook.com
A2a01:111:f403:ca04::1🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-db7pr03cu00401.inbound.protection.outlook.com
A2a01:111:f403:ca04::6🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-db4pr02cu00406.inbound.protection.outlook.com
A2a01:111:f403:ca04::8🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-db5pr02cu00100.inbound.protection.outlook.com
A2a01:111:f403:ca09::7🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-am9pr04cu00107.inbound.protection.outlook.com
A52.101.68.3🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db7pr03cu00403.inbound.protection.outlook.com
A52.101.68.21🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db4pr02cu00205.inbound.protection.outlook.com
A52.101.73.1🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-am3pr04cu00501.inbound.protection.outlook.com
A52.101.73.153🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-as8pr05cu00401.inbound.protection.outlook.com
TXTgoogle-site-verification=IJD9G3YZc-VKVhmeynPGgrMnXKfTdnhVgi5rwwZC3L0
TXTv=spf1 include:spf.protection.outlook.com include:spf.simply.com -all
TXTMS=ms57226153
SOAns1.simply.comhostmaster@simply.com 2025-10-23 #0

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 1786689720localtime Fri Aug 14 08:42:00 2026gmtime Fri Au...
SOAb.nic.dktech@punktum.dk serial=1786689720

Same first word

Similar names

DNS History

15 records (5 active, 10 former)

20162017201820192020202120222023202420252026NSns1.simply.comns2.simply.comns3.simply.comns1.gratisdns.dkns2.gratisdns.dkns3.gratisdns.dkns4.gratisdns.dkns4.simply.comns5.gratisdns.dkMXrex-dk.mail.protection.outlook.commail.rex.dkmx.simply.comA94.231.103.167176.58.106.21893.191.156.247
NSns1.gratisdns.dk2015-05-29 → 2017-05-12 · 4 obs
● 2015-05-29 22:29:44
● 2017-05-12 13:24:54
○ 2020-12-27 06:16:28
○ 2026-08-14 06:53:44
NSns1.simply.com2020-12-27 → 2026-08-14 · 3 obs
○ 2017-05-12 13:24:54
● 2020-12-27 06:16:28
● 2026-08-14 06:53:44
NSns2.gratisdns.dk2015-05-29 → 2017-05-12 · 4 obs
● 2015-05-29 22:29:44
● 2017-05-12 13:24:54
○ 2020-12-27 06:16:28
○ 2026-08-14 06:53:44
NSns2.simply.com2020-12-27 → 2026-08-14 · 3 obs
○ 2017-05-12 13:24:54
● 2020-12-27 06:16:28
● 2026-08-14 06:53:44
NSns3.gratisdns.dk2015-05-29 → 2017-05-12 · 4 obs
● 2015-05-29 22:29:44
● 2017-05-12 13:24:54
○ 2020-12-27 06:16:28
○ 2026-08-14 06:53:44
NSns3.simply.com2020-12-27 → 2026-08-14 · 3 obs
○ 2017-05-12 13:24:54
● 2020-12-27 06:16:28
● 2026-08-14 06:53:44
NSns4.gratisdns.dk2015-05-29 → 2017-05-12 · 4 obs
● 2015-05-29 22:29:44
● 2017-05-12 13:24:54
○ 2020-12-27 06:16:28
○ 2026-08-14 06:53:44
NSns4.simply.com2020-12-27 → 2020-12-27 · 4 obs
○ 2017-05-12 13:24:54
● 2020-12-27 06:16:28
○ 2026-02-16 01:02:54
○ 2026-08-14 06:53:44
NSns5.gratisdns.dk2015-05-29 → 2017-05-12 · 4 obs
● 2015-05-29 22:29:44
● 2017-05-12 13:24:54
○ 2020-12-27 06:16:28
○ 2026-08-14 06:53:44
MXmail.rex.dk2015-05-29 → 2017-05-12 · 4 obs
● 2015-05-29 22:29:44
● 2017-05-12 13:24:54
○ 2020-12-27 06:16:28
○ 2026-08-14 06:53:44
MXmx.simply.com2020-12-27 → 2020-12-27 · 4 obs
○ 2017-05-12 13:24:54
● 2020-12-27 06:16:28
○ 2026-02-16 01:02:54
○ 2026-08-14 06:53:44
MXrex-dk.mail.protection.outlook.com2026-02-16 → 2026-08-14 · 3 obs
○ 2020-12-27 06:16:28
● 2026-02-16 01:02:54
● 2026-08-14 06:53:44
A176.58.106.2182015-05-29 → 2017-05-12 · 4 obs
● 2015-05-29 22:29:44
● 2017-05-12 13:24:54
○ 2020-12-27 06:16:28
○ 2026-08-14 06:53:44
A93.191.156.2472020-12-27 → 2020-12-27 · 4 obs
○ 2017-05-12 13:24:54
● 2020-12-27 06:16:28
○ 2026-02-16 01:02:54
○ 2026-08-14 06:53:44
A94.231.103.1672026-02-16 → 2026-08-14 · 3 obs
○ 2020-12-27 06:16:28
● 2026-02-16 01:02:54
● 2026-08-14 06:53:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dkc.nic.dk, s.nic.dk, l.nic.dk, b.nic.dk...-
rex.dkns1.simply.com, ns2.simply.com, ns3.simply.com-

✅ Authoritative Response

Server:185.25.141.15

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rex.dk (unsigned zone)

⏱️ Timing

Total: 2027ms | Queries: -

📄 Records

TypeCountSample Data
A194.231.103.167
NS3ns1.simply.com, ns2.simply.com...
MX1rex-dk.mail.protection.outlook.com (pri:
TXT3MS=ms57226153, google-site-verification=IJD9G3YZc-VKVhm...
SOA1ns1.simply.com hostmaster.simply.com

Analysis

IP Addresses

rex.dk has exactly one IP address — 94.231.103.167.

bjarne.36456788.dk, www.up-time.se, massage.dk plus two other host names have IP numbers in common with rex.dk.

Name Servers

The authoritative name servers for rex.dk are ns1.simply.com, ns2.simply.com and ns3.simply.com — three in total.

The name servers of rex.dk overlap at least partially with those of other domains — among them skytthe-carlsen.dk, abergoco.se, dreamphotography2012.co.uk and two more.

These name servers commonly appear in combination with the name servers ns4.simply.com.

Host names pointing to two IP addresses:

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

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

Host names resolving to a single IP address:

ns3.simply.com has the IP address 91.197.248.79.

Mail Servers

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

rex-dk.mail.protection.outlook.com has 8 IP addresses: 52.101.68.3, 52.101.68.21, 52.101.73.1 plus 5 more.