corebusiness.dk - robtex.com
corebusiness.dk
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 94.231.107.241🇩🇰 team-blue-denmark94.231.96.0/20 ZITCOM A/S | ||||||
| PTR | linux37.unoeuro.com | ||||||
| NS | ns1.simply.com ⭐ | ||||||
| A | 2a02:2339:1:15c::4562:4562🇩🇰 team-blue-denmark2a02:2339::/36 | ||||||
| PTR | ns1.simply.com | ||||||
| A | 91.197.248.78🇩🇰 team-blue-denmark91.197.248.0/22 | ||||||
| PTR | ns1.simply.com | ||||||
| NS | ns2.simply.com | ||||||
| A | 2a02:2339:4006:101::4562:4562🇩🇰 team-blue-denmark2a02:2339:4000::/34 | ||||||
| PTR | ns2.simply.com | ||||||
| A | 185.25.141.15🇩🇰 team-blue-denmark185.25.141.0/24 Zitcom A/S | ||||||
| PTR | ns2.simply.com | ||||||
| NS | ns3.simply.com | ||||||
| A | 91.197.248.79🇩🇰 team-blue-denmark91.197.248.0/22 | ||||||
| PTR | ns3.simply.com | ||||||
| NS | ns4.simply.com | ||||||
| A | 91.197.248.80🇩🇰 team-blue-denmark91.197.248.0/22 | ||||||
| PTR | ns4.simply.com | ||||||
| MX | mx.simply.com ⭐ | ||||||
| A | 94.231.106.20🇩🇰 team-blue-denmark94.231.96.0/20 ZITCOM A/S | ||||||
| PTR | mx.simply.com | ||||||
| SOA | ns1.simply.comhostmaster@simply.com 2025-04-23 #0 | ||||||
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 1776060360localtime Mon Apr 13 08:06:00 2026gmtime Mon Ap... | ||||||
| SOA | b.nic.dktech@punktum.dk serial=1776060360 | ||||||
Previously MX for
corebusiness.dk |
Subdomains
www.corebusiness.dk |
Same first word
corebusiness.co |
corebusiness.dk |
corebusiness.se |
corebusiness.es |
Similar names
DNS History
20 records (6 active, 14 former)
○NSns1.gratisdns.dk2015-07-22 → 2017-02-13 · 4 obs
● 2017-02-13 06:20:58
○ 2018-09-02 21:29:04
○ 2026-04-13 06:24:10
●NSns1.simply.com2026-03-25 → 2026-04-13 · 3 obs
● 2026-03-25 06:49:50
● 2026-04-13 06:24:10
○NSns1.unoeuro.com2018-09-02 → 2018-09-02 · 4 obs
● 2018-09-02 21:29:04
○ 2026-03-25 06:49:50
○ 2026-04-13 06:24:10
○NSns2.gratisdns.dk2015-07-22 → 2017-02-13 · 4 obs
● 2017-02-13 06:20:58
○ 2018-09-02 21:29:04
○ 2026-04-13 06:24:10
●NSns2.simply.com2026-03-25 → 2026-04-13 · 3 obs
● 2026-03-25 06:49:50
● 2026-04-13 06:24:10
○NSns2.unoeuro.com2018-09-02 → 2018-09-02 · 4 obs
● 2018-09-02 21:29:04
○ 2026-03-25 06:49:50
○ 2026-04-13 06:24:10
○NSns3.gratisdns.dk2015-07-22 → 2017-02-13 · 4 obs
● 2017-02-13 06:20:58
○ 2018-09-02 21:29:04
○ 2026-04-13 06:24:10
●NSns3.simply.com2026-03-25 → 2026-04-13 · 3 obs
● 2026-03-25 06:49:50
● 2026-04-13 06:24:10
○NSns3.unoeuro.com2018-09-02 → 2018-09-02 · 4 obs
● 2018-09-02 21:29:04
○ 2026-03-25 06:49:50
○ 2026-04-13 06:24:10
○NSns4.gratisdns.dk2015-07-22 → 2017-02-13 · 4 obs
● 2017-02-13 06:20:58
○ 2018-09-02 21:29:04
○ 2026-04-13 06:24:10
●NSns4.simply.com2026-03-25 → 2026-04-13 · 3 obs
● 2026-03-25 06:49:50
● 2026-04-13 06:24:10
○NSns4.unoeuro.com2018-09-02 → 2018-09-02 · 4 obs
● 2018-09-02 21:29:04
○ 2026-03-25 06:49:50
○ 2026-04-13 06:24:10
○NSns5.gratisdns.dk2015-07-22 → 2017-02-13 · 4 obs
● 2017-02-13 06:20:58
○ 2018-09-02 21:29:04
○ 2026-04-13 06:24:10
○MXcorebusiness.dk2015-07-22 → 2016-05-04 · 4 obs
● 2016-05-04 05:09:10
○ 2017-02-13 06:20:58
○ 2026-04-13 06:24:10
●MXmx.simply.com2026-03-25 → 2026-04-13 · 3 obs
● 2026-03-25 06:49:50
● 2026-04-13 06:24:10
○MXmx.unoeuro.com2018-09-02 → 2018-09-02 · 4 obs
● 2018-09-02 21:29:04
○ 2026-03-25 06:49:50
○ 2026-04-13 06:24:10
○MXmx01.hostcontrol.com2017-02-13 → 2017-02-13 · 4 obs
● 2017-02-13 06:20:58
○ 2018-09-02 21:29:04
○ 2026-04-13 06:24:10
○MXmx02.hostcontrol.com2017-02-13 → 2017-02-13 · 4 obs
● 2017-02-13 06:20:58
○ 2018-09-02 21:29:04
○ 2026-04-13 06:24:10
○A217.195.176.1082015-07-22 → 2017-02-13 · 4 obs
● 2017-02-13 06:20:58
○ 2018-09-02 21:29:04
○ 2026-04-13 06:24:10
●A94.231.107.2412018-09-02 → 2026-04-13 · 3 obs
● 2018-09-02 21:29:04
● 2026-04-13 06:24:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dk | b.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk... | - |
| corebusiness.dk | ns4.simply.com, ns3.simply.com, ns1.simply.com, ns2.simply.com | - |
✅ Authoritative Response
Server:91.197.248.80
NS records: ns4.simply.com, ns3.simply.com, ns1.simply.com, ns2.simply.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1074ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 94.231.107.241 |
| NS | 4 | ns2.simply.com, ns3.simply.com... |
| MX | 1 | mx.simply.com (pri: 10) |
| SOA | 1 | ns1.simply.com hostmaster.simply.com |
Analysis
Hierarchy
The parent of www.corebusiness.dk is corebusiness.dk.
IP Addresses
corebusiness.dk points to a single IP: 94.231.107.241.
Other host names, for instance linux37.unoeuro.com, www.porr.dk, habk.dk, rpe-consult.com and www.balsgaard.dk share IP numbers with corebusiness.dk.
Name Servers
corebusiness.dk's delegation is handled by four name servers: ns1.simply.com, ns2.simply.com, ns3.simply.com and ns4.simply.com.
corebusiness.dk partially shares name servers with other domains; examples include minkiosk.dk, pizzicato.dk, time-dots.com, chime.se and denrenelinje.dk.
These name servers commonly accompany ns1.unoeuro.com, ns2.unoeuro.com, ns3.unoeuro.com and ns4.unoeuro.com.
Host names with two IP numbers:
ns1.simply.com points to: 2a02:2339:1:15c::4562:4562 and 91.197.248.78.
ns2.simply.com points to: 2a02:2339:4006:101::4562:4562 and 185.25.141.15.
Host names with one IP number:
ns3.simply.com points to: 91.197.248.79.
ns4.simply.com points to: 91.197.248.80.
Mail Servers
corebusiness.dk is handled by a single mail server, mx.simply.com.
corebusiness.dk has the same mail server setup as other domains, including tilsted.nu, casparf.dk, beeq.se, cyclestore.dk and dorthebroeng.com.
mx.simply.com points to a single IP: 94.231.106.20.