class.dk - dns.ninja
class.dk
| DNSSEC | ⚠️ Not signed | ||||||
| A | 94.231.101.88🇩🇰 team-blue-denmark94.231.96.0/20 ZITCOM A/S | ||||||
| PTR | linux17.unoeuro.com | ||||||
| NS | ns01.one.com ⭐ | ||||||
| A | 2001:67c:28cc::10ONECOM-INFRA2001:67c:28cc::/48 | ||||||
| PTR | ns01.one.com | ||||||
| A | 195.206.121.10ONECOM-INFRA195.206.121.0/24 | ||||||
| NS | ns02.one.com | ||||||
| A | 2001:67c:3c0::10🇩🇰 ONECOM2001:67c:3c0::/48 | ||||||
| PTR | ns02.one.com | ||||||
| A | 185.10.11.10ONECOM185.10.11.0/24 | ||||||
| MX | mx1.pub.mailpod11-cph3.one.com ⭐ | ||||||
| A | 104.37.34.230🇩🇰 ONECOM104.37.32.0/21 One.com A/S | ||||||
| MX | mx2.pub.mailpod11-cph3.one.com ⭐ | ||||||
| A | 104.37.34.231🇩🇰 ONECOM104.37.32.0/21 One.com A/S | ||||||
| MX | mx3.pub.mailpod11-cph3.one.com ⭐ | ||||||
| A | 104.37.34.232🇩🇰 ONECOM104.37.32.0/21 One.com A/S | ||||||
| MX | mx4.pub.mailpod11-cph3.one.com ⭐ | ||||||
| A | 104.37.34.233🇩🇰 ONECOM104.37.32.0/21 One.com A/S | ||||||
| SOA | ns01.one.comhostmaster@one.com 2026-03-24 #1 | ||||||
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 1782810543localtime Tue Jun 30 11:09:03 2026gmtime Tue Ju... | ||||||
| SOA | b.nic.dktech@punktum.dk serial=1782810550 | ||||||
Same first word
Similar names
DNS History
14 records (7 active, 7 former)
●NSns01.one.com2026-02-24 → 2026-06-30 · 5 obs
● 2026-02-24 16:21:04
○ 2026-03-01 12:54:34
● 2026-04-03 19:36:10
● 2026-06-30 09:43:02
●NSns02.one.com2026-02-24 → 2026-06-30 · 5 obs
● 2026-02-24 16:21:04
○ 2026-03-01 12:54:34
● 2026-04-03 19:36:10
● 2026-06-30 09:43:02
○NSns1.gratisdns.dk2015-06-03 → 2017-09-20 · 4 obs
● 2017-09-20 08:23:10
○ 2026-02-24 16:21:04
○ 2026-06-30 09:43:02
○NSns2.gratisdns.dk2015-06-03 → 2017-09-20 · 4 obs
● 2017-09-20 08:23:10
○ 2026-02-24 16:21:04
○ 2026-06-30 09:43:02
○NSns3.gratisdns.dk2015-06-03 → 2017-09-20 · 4 obs
● 2017-09-20 08:23:10
○ 2026-02-24 16:21:04
○ 2026-06-30 09:43:02
○NSns4.gratisdns.dk2015-06-03 → 2017-09-20 · 4 obs
● 2017-09-20 08:23:10
○ 2026-02-24 16:21:04
○ 2026-06-30 09:43:02
○NSns5.gratisdns.dk2015-06-03 → 2017-09-20 · 4 obs
● 2017-09-20 08:23:10
○ 2026-02-24 16:21:04
○ 2026-06-30 09:43:02
○MXforwardsrs.net2016-09-23 → 2017-09-20 · 5 obs
● 2016-09-23 17:43:40
● 2017-09-20 08:23:10
○ 2026-02-24 16:21:04
○ 2026-06-30 09:43:02
○MXmailforward.gratisdns.dk2015-06-03 → 2016-04-05 · 4 obs
● 2016-04-05 16:49:56
○ 2016-09-23 17:43:40
○ 2026-06-30 09:43:02
●MXmx1.pub.mailpod11-cph3.one.com2026-02-24 → 2026-06-30 · 5 obs
● 2026-02-24 16:21:04
○ 2026-03-01 12:54:34
● 2026-04-03 19:36:10
● 2026-06-30 09:43:02
●MXmx2.pub.mailpod11-cph3.one.com2026-02-24 → 2026-06-30 · 5 obs
● 2026-02-24 16:21:04
○ 2026-03-01 12:54:34
● 2026-04-03 19:36:10
● 2026-06-30 09:43:02
●MXmx3.pub.mailpod11-cph3.one.com2026-02-24 → 2026-06-30 · 5 obs
● 2026-02-24 16:21:04
○ 2026-03-01 12:54:34
● 2026-04-03 19:36:10
● 2026-06-30 09:43:02
●MXmx4.pub.mailpod11-cph3.one.com2026-02-24 → 2026-06-30 · 5 obs
● 2026-02-24 16:21:04
○ 2026-03-01 12:54:34
● 2026-04-03 19:36:10
● 2026-06-30 09:43:02
●A94.231.101.882015-06-03 → 2026-06-30 · 5 obs
● 2026-02-24 16:21:04
○ 2026-03-01 12:54:34
● 2026-04-03 19:36:10
● 2026-06-30 09:43:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dk | l.nic.dk, h.nic.dk, b.nic.dk, c.nic.dk... | - |
| class.dk | ns01.one.com, ns02.one.com | - |
✅ Authoritative Response
Server:185.10.11.10
NS records: ns01.one.com, ns02.one.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 717ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 94.231.101.88 |
| NS | 2 | ns02.one.com, ns01.one.com |
| MX | 4 | mx2.pub.mailpod11-cph3.one.com (pri: 10), mx1.pub.mailpod11-cph3.one.com (pri: 10)... |
| SOA | 1 | ns01.one.com hostmaster.one.com |
Analysis
IP Addresses
class.dk points to a single IP number: 94.231.101.88.
Additional host names — www.limeco.dk, skulpturguiden.dk, daldof.dk and two others — share IP numbers with class.dk.
Name Servers
class.dk uses two name servers for its delegation: ns01.one.com and ns02.one.com.
class.dk shares its name server setup with other domains, including dasma.dk, elisabeth-micka.at, videbaek-kirke.dk and two others.
The two host names ns01.one.com and ns02.one.com each have a pair of IP addresses: ns01.one.com has 195.206.121.10 and 2001:67c:28cc::10, and ns02.one.com has 185.10.11.10 and 2001:67c:3c0::10.
Mail Servers
class.dk has four mail servers: mx1.pub.mailpod11-cph3.one.com, mx2.pub.mailpod11-cph3.one.com, mx3.pub.mailpod11-cph3.one.com and mx4.pub.mailpod11-cph3.one.com.
class.dk shares mail servers — at least in part — with other domains, including sk-bau.net, samuzone.dk, webstijl.co.uk and two others.
mx1.pub.mailpod11-cph3.one.com, mx2.pub.mailpod11-cph3.one.com, mx3.pub.mailpod11-cph3.one.com and mx4.pub.mailpod11-cph3.one.com each resolve to one IP address: mx1.pub.mailpod11-cph3.one.com resolves to 104.37.34.230, mx2.pub.mailpod11-cph3.one.com resolves to 104.37.34.231, mx3.pub.mailpod11-cph3.one.com resolves to 104.37.34.232 and mx4.pub.mailpod11-cph3.one.com resolves to 104.37.34.233.