classen.dk - dns.ninja
classen.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 1786803120localtime Sat Aug 15 16:12:00 2026gmtime Sat Au... | ||||||
| SOA | b.nic.dktech@punktum.dk serial=1786803120 | ||||||
Subdomains
generated-by-one-com-for-mx-100.classen.dk |
Same first word
Similar names
DNS History
16 records (9 active, 7 former)
●NSns01.one.com2026-06-03 → 2026-08-15 · 3 obs
● 2026-06-03 16:00:44
● 2026-08-15 14:39:46
●NSns02.one.com2026-06-03 → 2026-08-15 · 3 obs
● 2026-06-03 16:00:44
● 2026-08-15 14:39:46
○NSns1.gratisdns.dk2015-07-14 → 2020-03-09 · 4 obs
● 2020-03-09 12:15:54
○ 2026-06-03 16:00:44
○ 2026-08-15 14:39:46
○NSns2.gratisdns.dk2015-07-14 → 2020-03-09 · 4 obs
● 2020-03-09 12:15:54
○ 2026-06-03 16:00:44
○ 2026-08-15 14:39:46
○NSns3.gratisdns.dk2015-07-14 → 2020-03-09 · 4 obs
● 2020-03-09 12:15:54
○ 2026-06-03 16:00:44
○ 2026-08-15 14:39:46
○NSns4.gratisdns.dk2015-07-14 → 2020-03-09 · 4 obs
● 2020-03-09 12:15:54
○ 2026-06-03 16:00:44
○ 2026-08-15 14:39:46
○NSns5.gratisdns.dk2015-07-14 → 2020-03-09 · 4 obs
● 2020-03-09 12:15:54
○ 2026-06-03 16:00:44
○ 2026-08-15 14:39:46
○MX85.129.0.2262015-12-10 → 2020-03-09 · 5 obs
● 2015-12-10 17:33:14
● 2020-03-09 12:15:54
○ 2026-06-03 16:00:44
○ 2026-08-15 14:39:46
○MX85.129.0.2262015-07-14 → 2015-07-14 · 3 obs
○ 2015-12-10 17:33:14
○ 2026-08-15 14:39:46
●MXalt1.aspmx.l.google.com2015-07-14 → 2026-08-15 · 2 obs
● 2026-08-15 14:39:46
●MXalt2.aspmx.l.google.com2015-07-14 → 2026-08-15 · 2 obs
● 2026-08-15 14:39:46
●MXaspmx.l.google.com2015-07-14 → 2026-08-15 · 2 obs
● 2026-08-15 14:39:46
●MXaspmx2.googlemail.com2015-07-14 → 2026-08-15 · 2 obs
● 2026-08-15 14:39:46
●MXaspmx3.googlemail.com2015-07-14 → 2026-08-15 · 2 obs
● 2026-08-15 14:39:46
●MXgenerated-by-one-com-for-mx-100.classen.dk2026-06-03 → 2026-08-15 · 3 obs
● 2026-06-03 16:00:44
● 2026-08-15 14:39:46
●A78.47.212.1602015-07-14 → 2026-08-15 · 2 obs
● 2026-08-15 14:39:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dk | h.nic.dk, l.nic.dk, s.nic.dk, t.nic.dk... | - |
| classen.dk | ns1.simply.com, ns2.simply.com, ns3.simply.com | - |
✅ Authoritative Response
Server:91.197.248.79
NS records: ns1.simply.com, ns2.simply.com, ns3.simply.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for classen.dk (unsigned zone)
⏱️ Timing
Total: 1728ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 178.63.184.140 |
| NS | 3 | ns2.simply.com, ns1.simply.com... |
| MX | 6 | aspmx2.googlemail.com (pri: 30), aspmx3.googlemail.com (pri: 30)... |
| TXT | 1 | google-site-verification=igNwJmfPH1sbzPg |
| SOA | 1 | ns1.simply.com hostmaster.simply.com |
Analysis
Hierarchy
The domain generated-by-one-com-for-mx-100.classen.dk falls under the parent classen.dk.
IP Addresses
classen.dk directs to one IP number, which is 78.47.212.160.
static.160.212.47.78.clients.your-server.de is an example of another host name that shares IP numbers with classen.dk.
Name Servers
classen.dk has two authoritative name servers — ns01.one.com and ns02.one.com.
classen.dk has the same name server delegation as a number of other domains, such as bressan.dk, seppeclaes.com, vmgolf.com and two more.
Both ns01.one.com and ns02.one.com have two IP addresses each. ns01.one.com resolves to 195.206.121.10 and 2001:67c:28cc::10; ns02.one.com resolves to 185.10.11.10 and 2001:67c:3c0::10.
Mail Servers
classen.dk uses 6 mail servers for delivery: aspmx2.googlemail.com, aspmx3.googlemail.com, generated-by-one-com-for-mx-100.classen.dk and 3 other.
classen.dk shares at least some of its mail servers with other domains — for example barrierarm.com, eleganteinterno.com, i-fieldnet.com and two more.
It is common to find these mail servers paired with mail servers aspmx.l.google.com, alt2.aspmx.l.google.com, alt1.aspmx.l.google.com and 4 more.
Hosts with two IP numbers each:
aspmx2.googlemail.com resolves to 142.250.102.26 and 2a00:1450:4025:402::1b.
aspmx3.googlemail.com resolves to 192.178.213.27 and 2a00:1450:4013:c1e::1a.
aspmx.l.google.com resolves to 173.194.45.26 and 2607:f8b0:4004:c21::1a.
alt1.aspmx.l.google.com resolves to 192.178.234.26 and 2800:3f0:4003:c14::1a.
alt2.aspmx.l.google.com resolves to 172.253.116.27 and 2a00:1450:400b:c02::1a.