ctfeurope.dk - robtex.com
ctfeurope.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 1774647361localtime Fri Mar 27 22:36:01 2026gmtime Fri Ma... | ||||||
| SOA | b.nic.dktech@punktum.dk serial=1774647361 | ||||||
Subdomains
www.ctfeurope.dk |
Same first word
ctfeurope.eu |
ctfeurope.dk |
ctfeurope.com |
Similar names
DNS History
11 records (6 active, 5 former)
○NSns1.surf-town.net2015-06-04 → 2017-06-11 · 4 obs
● 2017-06-11 13:39:08
○ 2026-03-15 07:33:08
○ 2026-03-27 21:55:18
○NSns2.surf-town.net2015-06-04 → 2017-06-11 · 4 obs
● 2017-06-11 13:39:08
○ 2026-03-15 07:33:08
○ 2026-03-27 21:55:18
○NSns3.surf-town.net2015-06-04 → 2017-06-11 · 4 obs
● 2017-06-11 13:39:08
○ 2026-03-15 07:33:08
○ 2026-03-27 21:55:18
●NSns4.hostonline.dk2026-03-15 → 2026-03-27 · 3 obs
● 2026-03-15 07:33:08
● 2026-03-27 21:55:18
●NSns5.hostonline.dk2026-03-15 → 2026-03-27 · 3 obs
● 2026-03-15 07:33:08
● 2026-03-27 21:55:18
●NSns6.hostonline.dk2026-03-15 → 2026-03-27 · 3 obs
● 2026-03-15 07:33:08
● 2026-03-27 21:55:18
●MXctfeurope-dk.mail.protection.outlook.com2026-03-15 → 2026-03-27 · 3 obs
● 2026-03-15 07:33:08
● 2026-03-27 21:55:18
○MXmail19.surftown.dk2015-06-04 → 2017-06-11 · 4 obs
● 2017-06-11 13:39:08
○ 2026-03-15 07:33:08
○ 2026-03-27 21:55:18
○A212.97.132.1072015-06-04 → 2017-06-11 · 4 obs
● 2017-06-11 13:39:08
○ 2026-03-15 07:33:08
○ 2026-03-27 21:55:18
●A217.195.185.2192026-03-15 → 2026-03-27 · 3 obs
● 2026-03-15 07:33:08
● 2026-03-27 21:55:18
●A2a02:188:6004:10::272026-03-15 → 2026-03-27 · 3 obs
● 2026-03-15 07:33:08
● 2026-03-27 21:55:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dk | b.nic.dk, h.nic.dk, t.nic.dk, c.nic.dk... | - |
| ctfeurope.dk | ns4.hostonline.dk, ns5.hostonline.dk, ns6.hostonline.dk | 5 records |
✅ Authoritative Response
Server:217.195.185.243
NS records: ns4.hostonline.dk, ns5.hostonline.dk, ns6.hostonline.dk
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 656ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 217.195.185.219 |
| AAAA | 1 | 2a02:188:6004:10::27 |
| NS | 3 | ns5.hostonline.dk, ns6.hostonline.dk... |
| MX | 1 | ctfeurope-dk.mail.protection.outlook.com |
| TXT | 1 | v=spf1 mx a ip4:93.191.156.112 include:_ |
| SOA | 1 | ns4.hostonline.dk hostmaster.hostonline. |
📌 Glue Records Collected
Total: 5
Out-of-bailiwick: 5 (ns4.hostonline.dk, ns5.hostonline.dk, ns6.hostonline.dk...)
Analysis
Hierarchy
ctfeurope.dk is a parent of www.ctfeurope.dk.
IP Addresses
ctfeurope.dk points to two IP numbers: 2a02:188:6004:10::27 and 217.195.185.219.
Other host names, for instance dnsnet.dk, zinet.dk, rsveen.dk, ditek.dk and mogens-fog.dk share IP numbers with ctfeurope.dk.
Name Servers
The delegation for ctfeurope.dk is handled by three name servers: ns4.hostonline.dk, ns5.hostonline.dk and ns6.hostonline.dk.
ctfeurope.dk at least partially shares name servers with other domains, for instance infoaccess.dk, jahnel.dk, cultima.dk, aarhus-domkirke.dk and bedrebil.com.
Host names with two IP numbers:
ns4.hostonline.dk points to: 2a02:188:6004:14::10 and 217.195.185.243
ns5.hostonline.dk points to: 2a02:188:6004:14::11 and 217.195.185.244
Host names with one IP number:
ns6.hostonline.dk points to: 85.191.126.85
Mail Servers
ctfeurope.dk is handled by a single mail server, ctfeurope-dk.mail.protection.outlook.com.
ctfeurope-dk.mail.protection.outlook.com resolves to eight IP addresses: 2a01:111:f403:ca04::, 2a01:111:f403:ca04::5, 2a01:111:f403:ca04::b, 2a01:111:f403:ca09::1, 52.101.68.25, 52.101.68.32, 52.101.73.8 and 52.101.73.19.