sim.dk - dns.ninja
sim.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 1782589681localtime Sat Jun 27 21:48:01 2026gmtime Sat Ju... | ||||||
| SOA | b.nic.dktech@punktum.dk serial=1782589681 | ||||||
Subdomains
Same first word
Similar names
DNS History
22 records (15 active, 7 former)
●NSns-master.csc.dk2026-02-19 → 2026-06-27 · 3 obs
● 2026-02-19 10:24:04
● 2026-06-27 19:51:36
○NSns.sm.dk2015-08-02 → 2017-01-11 · 4 obs
● 2017-01-11 04:46:02
○ 2026-02-19 10:24:04
○ 2026-06-27 19:51:36
●NSns1-auth.csc.dk2026-02-19 → 2026-06-27 · 3 obs
● 2026-02-19 10:24:04
● 2026-06-27 19:51:36
●NSns2-auth.csc.dk2026-02-19 → 2026-06-27 · 3 obs
● 2026-02-19 10:24:04
● 2026-06-27 19:51:36
○NSns2.sm.dk2015-08-02 → 2017-01-11 · 4 obs
● 2017-01-11 04:46:02
○ 2026-02-19 10:24:04
○ 2026-06-27 19:51:36
●MXmx01.statens-it.dk2026-02-19 → 2026-06-27 · 3 obs
● 2026-02-19 10:24:04
● 2026-06-27 19:51:36
●MXmx02.statens-it.dk2026-02-19 → 2026-06-27 · 3 obs
● 2026-02-19 10:24:04
● 2026-06-27 19:51:36
●MXmx03.statens-it.dk2026-02-19 → 2026-06-27 · 3 obs
● 2026-02-19 10:24:04
● 2026-06-27 19:51:36
●MXmx04.statens-it.dk2026-02-19 → 2026-06-27 · 3 obs
● 2026-02-19 10:24:04
● 2026-06-27 19:51:36
●MXmx05.statens-it.dk2026-02-19 → 2026-06-27 · 3 obs
● 2026-02-19 10:24:04
● 2026-06-27 19:51:36
●MXmx06.statens-it.dk2026-02-19 → 2026-06-27 · 3 obs
● 2026-02-19 10:24:04
● 2026-06-27 19:51:36
●MXmx07.statens-it.dk2026-02-19 → 2026-06-27 · 3 obs
● 2026-02-19 10:24:04
● 2026-06-27 19:51:36
●MXmx08.statens-it.dk2026-02-19 → 2026-06-27 · 3 obs
● 2026-02-19 10:24:04
● 2026-06-27 19:51:36
○MXmx10-dk.staysecuregroup.com2015-08-02 → 2015-10-27 · 4 obs
● 2015-10-27 21:57:24
○ 2016-03-10 06:32:26
○ 2026-06-27 19:51:36
○MXmx20-dk.staysecuregroup.net2015-08-02 → 2015-10-27 · 4 obs
● 2015-10-27 21:57:24
○ 2016-03-10 06:32:26
○ 2026-06-27 19:51:36
○MXsim-dk.mail.protection.outlook.com2016-03-10 → 2017-01-11 · 5 obs
● 2016-03-10 06:32:26
● 2017-01-11 04:46:02
○ 2026-02-19 10:24:04
○ 2026-06-27 19:51:36
●A172.232.147.2522026-02-19 → 2026-06-27 · 3 obs
● 2026-02-19 10:24:04
● 2026-06-27 19:51:36
●A172.233.57.172026-02-19 → 2026-06-27 · 3 obs
● 2026-02-19 10:24:04
● 2026-06-27 19:51:36
●A2600:3c09::f03c:94ff:fed1:f1bb2026-02-19 → 2026-06-27 · 3 obs
● 2026-02-19 10:24:04
● 2026-06-27 19:51:36
●A2600:3c0e::f03c:94ff:fed1:4ea2026-02-19 → 2026-06-27 · 3 obs
● 2026-02-19 10:24:04
● 2026-06-27 19:51:36
○A5.179.94.1552016-11-12 → 2017-01-11 · 5 obs
● 2016-11-12 19:30:56
● 2017-01-11 04:46:02
○ 2026-02-19 10:24:04
○ 2026-06-27 19:51:36
○A94.231.108.352015-08-02 → 2016-10-13 · 4 obs
● 2016-10-13 22:08:14
○ 2016-11-12 19:30:56
○ 2026-06-27 19:51:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dk | b.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk... | - |
| sim.dk | ns1-auth.csc.dk, ns2-auth.csc.dk | 4 records |
✅ Authoritative Response
Server:147.29.238.25
NS records: ns1-auth.csc.dk, ns2-auth.csc.dk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sim.dk (unsigned zone)
⏱️ Timing
Total: 1404ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.233.57.17, 172.232.147.252 |
| AAAA | 2 | 2600:3c0e::f03c:94ff:fed1:4ea, 2600:3c09::f03c:94ff:fed1:f1bb |
| NS | 2 | ns1-auth.csc.dk, ns2-auth.csc.dk |
| MX | 8 | mx07.statens-it.dk (pri: 10), mx08.statens-it.dk (pri: 10)... |
| TXT | 4 | Social- og Indenrigsministeriet, MS=ms49812168... |
| SOA | 1 | ns-master.csc.dk hostmaster.csc.dk |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1-auth.csc.dk, ns1-auth.csc.dk, ns2-auth.csc.dk...)
Analysis
Hierarchy
sim.dk is the parent domain of valg.sim.dk and www.sim.dk.
IP Addresses
sim.dk directs to four IP numbers, which are 172.232.147.252, 172.233.57.17, 2600:3c09::f03c:94ff:fed1:f1bb and 2600:3c0e::f03c:94ff:fed1:4ea.
Additional host names — dkpto.org, thy360.dk, examiner.dk and two others — share IP numbers with sim.dk.
Name Servers
sim.dk carries NS records delegating to ns-master.csc.dk, ns1-auth.csc.dk and ns2-auth.csc.dk.
At least some of sim.dk's name servers are shared with other domains, for example gaeldst.dk, tastselvskat.dk, sanst.dk and two more.
These name servers are often deployed together with the name servers df-ns01.skat.dk, df-ns02.skat.dk, df-ns03.skat.dk and df-ns04.skat.dk.
Host names with two IP numbers:
ns1-auth.csc.dk resolves to two addresses: 147.29.236.25 and 2a01:5440:2:0:147:29:236:25.
ns2-auth.csc.dk resolves to two addresses: 147.29.238.25 and 2a01:5440:2:2000:147:29:238:25.
Host names pointing to a single IP address:
The hostname ns-master.csc.dk resolves to 172.23.0.14.
Mail Servers
sim.dk uses 8 mail servers for delivery: mx01.statens-it.dk, mx02.statens-it.dk, mx03.statens-it.dk and 5 other.
sim.dk shares mail servers — at least in part — with other domains, including ler.dk, it-formidler.dk, nota.dk and two others.
These mail servers are frequently used alongside the mail servers mx04.statens-it.dk, mx05.statens-it.dk and mx06.statens-it.dk, plus two others.
Host names pointing to a single IP address:
The hostname mx01.statens-it.dk resolves to 194.182.109.217.
The hostname mx02.statens-it.dk resolves to 194.182.109.218.
The hostname mx03.statens-it.dk resolves to 194.182.109.219.
The hostname mx04.statens-it.dk resolves to 194.182.109.220.
The hostname mx05.statens-it.dk resolves to 194.182.109.221.
The hostname mx06.statens-it.dk resolves to 194.182.109.222.
The hostname mx07.statens-it.dk resolves to 194.182.109.223.
The hostname mx08.statens-it.dk resolves to 194.182.109.224.