ost-e.dk - dns.ninja
ost-e.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 1786654260localtime Thu Aug 13 22:51:00 2026gmtime Thu Au... | ||||||
| SOA | b.nic.dktech@punktum.dk serial=1786654260 | ||||||
Same first word
Similar names
DNS History
15 records (6 active, 9 former)
○NSns1.danaweb.org2015-05-26 → 2017-05-14 · 4 obs
● 2017-05-14 05:54:36
○ 2026-04-09 05:47:40
○ 2026-08-13 20:54:52
●NSns1.simply.com2026-04-09 → 2026-08-13 · 3 obs
● 2026-04-09 05:47:40
● 2026-08-13 20:54:52
○NSns2.danaweb.org2015-05-26 → 2017-05-14 · 4 obs
● 2017-05-14 05:54:36
○ 2026-04-09 05:47:40
○ 2026-08-13 20:54:52
●NSns2.simply.com2026-04-09 → 2026-08-13 · 3 obs
● 2026-04-09 05:47:40
● 2026-08-13 20:54:52
○NSns3.danaweb.org2015-05-26 → 2017-05-14 · 4 obs
● 2017-05-14 05:54:36
○ 2026-04-09 05:47:40
○ 2026-08-13 20:54:52
●NSns3.simply.com2026-04-09 → 2026-08-13 · 3 obs
● 2026-04-09 05:47:40
● 2026-08-13 20:54:52
○NSns4.danaweb.org2015-05-26 → 2017-05-14 · 4 obs
● 2017-05-14 05:54:36
○ 2026-04-09 05:47:40
○ 2026-08-13 20:54:52
●MXmx1-dk.centerasecurity.dk2026-08-13 → 2026-08-13 · 3 obs
● 2026-08-13 20:54:48
● 2026-08-13 20:54:52
●MXmx2-dk.centerasecurity.dk2026-08-13 → 2026-08-13 · 3 obs
● 2026-08-13 20:54:48
● 2026-08-13 20:54:52
●MXmx3-dk.centerasecurity.dk2026-08-13 → 2026-08-13 · 3 obs
● 2026-08-13 20:54:48
● 2026-08-13 20:54:52
○MXoste-dk0i.mail.protection.outlook.com2015-10-21 → 2017-05-14 · 5 obs
● 2015-10-21 17:50:38
● 2017-05-14 05:54:36
○ 2026-08-13 20:54:48
○ 2026-08-13 20:54:52
○MXscan1.centex.dk2015-05-26 → 2015-05-26 · 3 obs
○ 2015-10-21 17:50:38
○ 2026-08-13 20:54:52
○MXscan2.centex.dk2015-05-26 → 2015-05-26 · 3 obs
○ 2015-10-21 17:50:38
○ 2026-08-13 20:54:52
○A193.8.37.832015-05-26 → 2016-04-06 · 4 obs
● 2016-04-06 04:55:18
○ 2016-11-09 03:57:50
○ 2026-08-13 20:54:52
○A193.8.37.852016-11-09 → 2017-05-14 · 5 obs
● 2016-11-09 03:57:50
● 2017-05-14 05:54:36
○ 2026-04-09 05:47:40
○ 2026-08-13 20:54:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dk | c.nic.dk, l.nic.dk, t.nic.dk, s.nic.dk... | - |
| ost-e.dk | ns2.simply.com, ns1.simply.com, ns3.simply.com | - |
✅ Authoritative Response
Server:185.25.141.15
NS records: ns2.simply.com, ns1.simply.com, ns3.simply.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 760ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | ns2.simply.com, ns3.simply.com... |
| MX | 3 | mx3-dk.centerasecurity.dk (pri: 20), mx2-dk.centerasecurity.dk (pri: 10)... |
| TXT | 3 | centera-verification=97966944a36cff3c1b1, v=spf1 include:spf.protection.outlook.co... |
| SOA | 1 | ns1.simply.com hostmaster.simply.com |
Analysis
Name Servers
Three name servers are authoritative for ost-e.dk: ns1.simply.com, ns2.simply.com and ns3.simply.com.
There is at least partial name server overlap between ost-e.dk and other domains — tqt.dk, tv6.no, benzinforhandler.dk and two more among them.
These name servers are routinely deployed together with the name servers ns4.simply.com.
Host names pointing to two IP addresses:
ns1.simply.com maps to two IP addresses — 91.197.248.78 and 2a02:2339:1:15c::4562:4562.
ns2.simply.com maps to two IP addresses — 185.25.141.15 and 2a02:2339:4006:101::4562:4562.
Host names resolving to a single IP address:
ns3.simply.com points to the IP address 91.197.248.79.
Mail Servers
Incoming mail for ost-e.dk is delivered via three mail servers: mx1-dk.centerasecurity.dk, mx2-dk.centerasecurity.dk and mx3-dk.centerasecurity.dk.
At least some of the mail servers used by ost-e.dk are shared with other domains: roskildekom.dk, fremad.eu, socialmonitor.dk and two others among them.
Host names with four IP addresses:
mx1-dk.centerasecurity.dk resolves to four IP addresses — 89.233.19.127, 89.233.19.188, 128.76.60.167 and 128.76.60.187.
mx2-dk.centerasecurity.dk resolves to four IP addresses — 89.233.19.128, 89.233.19.129, 128.76.60.168 and 128.76.60.169.
Host names pointing to two IP addresses:
mx3-dk.centerasecurity.dk maps to two IP addresses — 89.233.19.129 and 128.76.60.187.
These two host names — mx1-dk.centerasecurity.dk and mx3-dk.centerasecurity.dk — each point to 128.76.60.187 IP addresses.
These two host names — mx2-dk.centerasecurity.dk and mx3-dk.centerasecurity.dk — each point to 89.233.19.129 IP addresses.