rt.dk - robtex.com
rt.dk
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 1783773361localtime Sat Jul 11 14:36:01 2026gmtime Sat Ju... | ||||||
| SOA | b.nic.dktech@punktum.dk serial=1783773361 | ||||||
Subdomains
www.rt.dk |
Same first word
Similar names
DNS History
21 records (4 active, 17 former)
○NSns1.dreamhost.com2019-08-12 → 2019-09-21 · 5 obs
● 2019-08-12 13:57:26
● 2019-09-21 19:32:32
○ 2020-10-31 22:20:56
○ 2026-07-11 13:07:00
○NSns1.herningfolkeblad.dk2008-11-15 → 2008-11-15 · 3 obs
○ 2015-08-11 03:27:10
○ 2026-07-11 13:07:00
○NSns1.mediatemple.net2016-11-27 → 2017-01-06 · 5 obs
● 2016-11-27 03:42:26
● 2017-01-06 23:29:38
○ 2017-05-23 02:52:56
○ 2026-07-11 13:07:00
○NSns1.parkingcrew.net2015-08-11 → 2017-05-25 · 9 obs
● 2015-08-11 03:27:10
● 2016-08-27 09:06:04
○ 2016-11-27 03:42:26
○ 2017-01-06 23:29:38
● 2017-05-23 02:52:56
● 2017-05-25 01:52:34
○ 2019-08-12 13:57:26
○ 2026-07-11 13:07:00
○NSns2.dreamhost.com2019-08-12 → 2019-09-21 · 5 obs
● 2019-08-12 13:57:26
● 2019-09-21 19:32:32
○ 2020-10-31 22:20:56
○ 2026-07-11 13:07:00
○NSns2.herningfolkeblad.dk2008-11-15 → 2008-11-15 · 3 obs
○ 2015-08-11 03:27:10
○ 2026-07-11 13:07:00
○NSns2.mediatemple.net2016-11-27 → 2017-01-06 · 5 obs
● 2016-11-27 03:42:26
● 2017-01-06 23:29:38
○ 2017-05-23 02:52:56
○ 2026-07-11 13:07:00
○NSns2.parkingcrew.net2015-08-11 → 2017-05-25 · 9 obs
● 2015-08-11 03:27:10
● 2016-08-27 09:06:04
○ 2016-11-27 03:42:26
○ 2017-01-06 23:29:38
● 2017-05-23 02:52:56
● 2017-05-25 01:52:34
○ 2019-08-12 13:57:26
○ 2026-07-11 13:07:00
○NSns3.dreamhost.com2019-08-12 → 2019-09-21 · 5 obs
● 2019-08-12 13:57:26
● 2019-09-21 19:32:32
○ 2020-10-31 22:20:56
○ 2026-07-11 13:07:00
●NSprimary.infoserv.dk2020-10-31 → 2026-07-11 · 3 obs
● 2020-10-31 22:20:56
● 2026-07-11 13:07:00
●NSsecondary.infoserv.dk2020-10-31 → 2026-07-11 · 3 obs
● 2020-10-31 22:20:56
● 2026-07-11 13:07:00
○MXmail.h-email.net2015-08-11 → 2017-05-25 · 9 obs
● 2015-08-11 03:27:10
● 2016-08-27 09:06:04
○ 2016-11-27 03:42:26
○ 2017-01-06 23:29:38
● 2017-05-23 02:52:56
● 2017-05-25 01:52:34
○ 2019-08-12 13:57:26
○ 2026-07-11 13:07:00
○MXmail.rt.dk2016-11-27 → 2017-01-06 · 5 obs
● 2016-11-27 03:42:26
● 2017-01-06 23:29:38
○ 2017-05-23 02:52:56
○ 2026-07-11 13:07:00
●MXrt-dk.mail.protection.outlook.com2020-10-31 → 2026-07-11 · 3 obs
● 2020-10-31 22:20:56
● 2026-07-11 13:07:00
●A104.19.154.922026-02-18 → 2026-07-11 · 3 obs
● 2026-02-18 06:43:30
● 2026-07-11 13:07:00
○A185.53.177.72015-08-11 → 2016-08-27 · 5 obs
● 2015-08-11 03:27:10
● 2016-08-27 09:06:04
○ 2016-11-27 03:42:26
○ 2026-07-11 13:07:00
○A185.53.178.72017-05-23 → 2017-05-25 · 5 obs
● 2017-05-23 02:52:56
● 2017-05-25 01:52:34
○ 2019-08-12 13:57:26
○ 2026-07-11 13:07:00
○A205.186.183.1282016-11-27 → 2017-01-06 · 5 obs
● 2016-11-27 03:42:26
● 2017-01-06 23:29:38
○ 2017-05-23 02:52:56
○ 2026-07-11 13:07:00
○A217.195.185.122020-10-31 → 2021-05-04 · 5 obs
● 2020-10-31 22:20:56
● 2021-05-04 20:44:34
○ 2026-02-18 06:43:30
○ 2026-07-11 13:07:00
○A217.198.217.172008-11-15 → 2008-11-15 · 3 obs
○ 2015-08-11 03:27:10
○ 2026-07-11 13:07:00
○A69.163.157.352019-08-12 → 2019-09-21 · 5 obs
● 2019-08-12 13:57:26
● 2019-09-21 19:32:32
○ 2020-10-31 22:20:56
○ 2026-07-11 13:07:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dk | b.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk... | - |
| rt.dk | secondary.infoserv.dk, primary.infoserv.dk | 4 records |
✅ Authoritative Response
Server:139.162.227.162
NS records: secondary.infoserv.dk, primary.infoserv.dk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rt.dk (unsigned zone)
⏱️ Timing
Total: 563ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 104.19.154.92 |
| NS | 2 | primary.infoserv.dk, secondary.infoserv.dk |
| MX | 1 | rt-dk.mail.protection.outlook.com (pri: |
| TXT | 2 | MS=ms28078545, v=spf1 ip4:92.241.223.205 ip4:86.52.51.2 |
| SOA | 1 | primary.infoserv.dk admin.infoserv |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (secondary.infoserv.dk, primary.infoserv.dk, secondary.infoserv.dk...)
Analysis
Hierarchy
rt.dk is a parent domain of www.rt.dk.
IP Addresses
rt.dk has exactly one IP address — 104.19.154.92.
souhnoun.com, mail.sev-rend.com, rgroupcpa.com plus two other host names have IP numbers in common with rt.dk.
Name Servers
DNS delegation for rt.dk points to two name servers: primary.infoserv.dk and secondary.infoserv.dk.
The name server configuration of rt.dk is shared with other domains, for instance gardinlis.dk, infomail.dk, randersegnsteater.dk and two others.
primary.infoserv.dk directs to 139.162.157.8 and 2a01:7e01::f03c:91ff:fe59:943d. secondary.infoserv.dk directs to 139.162.227.162 and 2a01:7e00::f03c:92ff:fe07:7dc2. Each host name carries two IP addresses.
Mail Servers
rt.dk uses one mail server — rt-dk.mail.protection.outlook.com.
rt-dk.mail.protection.outlook.com has 8 IP addresses: 52.101.68.36, 52.101.73.1, 52.101.73.12 plus 5 more.