firstclass.dk - dns.ninja
firstclass.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 1784167921localtime Thu Jul 16 04:12:01 2026gmtime Thu Ju... | ||||||
| SOA | b.nic.dktech@punktum.dk serial=1784167921 | ||||||
Subdomains
test.firstclass.dk |
Same first word
Similar names
DNS History
19 records (7 active, 12 former)
○NSns.mikrograf.dk2009-07-04 → 2016-12-22 · 4 obs
● 2016-12-22 04:31:54
○ 2026-02-24 23:18:28
○ 2026-07-16 02:33:48
●NSns1.nordicway.dk2026-07-02 → 2026-07-16 · 3 obs
● 2026-07-02 08:33:26
● 2026-07-16 02:33:48
○NSns1.simply.com2026-02-24 → 2026-03-25 · 5 obs
● 2026-02-24 23:18:28
● 2026-03-25 05:31:28
○ 2026-04-05 01:12:46
○ 2026-07-16 02:33:48
○NSns2.mikrograf.dk2009-07-04 → 2016-12-22 · 4 obs
● 2016-12-22 04:31:54
○ 2026-02-24 23:18:28
○ 2026-07-16 02:33:48
●NSns2.nordicway.dk2026-07-02 → 2026-07-16 · 3 obs
● 2026-07-02 08:33:26
● 2026-07-16 02:33:48
○NSns2.simply.com2026-02-24 → 2026-03-25 · 5 obs
● 2026-02-24 23:18:28
● 2026-03-25 05:31:28
○ 2026-04-05 01:12:46
○ 2026-07-16 02:33:48
●NSns3.nordicway.dk2026-07-02 → 2026-07-16 · 3 obs
● 2026-07-02 08:33:26
● 2026-07-16 02:33:48
○NSns3.simply.com2026-02-24 → 2026-03-25 · 5 obs
● 2026-02-24 23:18:28
● 2026-03-25 05:31:28
○ 2026-04-05 01:12:46
○ 2026-07-16 02:33:48
●NSns4.nordicway.dk2026-07-02 → 2026-07-16 · 3 obs
● 2026-07-02 08:33:26
● 2026-07-16 02:33:48
○MXfc.mikrograf.dk2009-07-04 → 2015-11-29 · 4 obs
● 2015-11-29 12:56:26
○ 2016-03-03 22:22:32
○ 2026-07-16 02:33:48
●MXmail.firstclass.dk2026-07-02 → 2026-07-16 · 3 obs
● 2026-07-02 08:33:26
● 2026-07-16 02:33:48
○MXmx.mikromail.dk2016-03-03 → 2016-12-22 · 5 obs
● 2016-03-03 22:22:32
● 2016-12-22 04:31:54
○ 2026-02-24 23:18:28
○ 2026-07-16 02:33:48
○MXmx.simply.com2026-02-24 → 2026-03-25 · 5 obs
● 2026-02-24 23:18:28
● 2026-03-25 05:31:28
○ 2026-04-05 01:12:46
○ 2026-07-16 02:33:48
○MXosx.mikrograf.dk2009-07-04 → 2009-07-04 · 3 obs
○ 2015-09-01 04:15:08
○ 2026-07-16 02:33:48
●A144.76.168.292026-07-02 → 2026-07-16 · 3 obs
● 2026-07-02 08:33:26
● 2026-07-16 02:33:48
○A176.22.68.732016-06-08 → 2016-12-22 · 5 obs
● 2016-06-08 03:27:32
● 2016-12-22 04:31:54
○ 2026-02-24 23:18:28
○ 2026-07-16 02:33:48
○A212.130.1.732009-07-04 → 2016-03-12 · 4 obs
● 2016-03-12 19:19:00
○ 2016-06-08 03:27:32
○ 2026-07-16 02:33:48
●A2a01:4f8:200:442e::22026-07-02 → 2026-07-16 · 3 obs
● 2026-07-02 08:33:26
● 2026-07-16 02:33:48
○A94.231.108.2152026-02-24 → 2026-03-25 · 5 obs
● 2026-02-24 23:18:28
● 2026-03-25 05:31:28
○ 2026-04-05 01:12:46
○ 2026-07-16 02:33:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dk | b.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk... | 12 records |
| firstclass.dk | ns1.nordicway.dk, ns2.nordicway.dk, ns3.nordicway.dk, ns4.nordicway.dk | 4 records |
✅ Authoritative Response
Server:91.98.140.195
NS records: ns1.nordicway.dk, ns2.nordicway.dk, ns3.nordicway.dk, ns4.nordicway.dk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for firstclass.dk (unsigned zone)
⏱️ Timing
Total: 1090ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 144.76.168.29 |
| AAAA | 1 | 2a01:4f8:200:442e::2 |
| NS | 4 | ns3.nordicway.dk, ns4.nordicway.dk... |
| MX | 1 | mail.firstclass.dk (pri: 0) |
| TXT | 1 | v=spf1 +a +mx +ip4:144.76.168.29 include |
| SOA | 1 | ns1.nordicway.dk server.nordicway.dk |
📌 Glue Records Collected
Total: 16
In-bailiwick: 12 (b.nic.dk, b.nic.dk, c.nic.dk...)
Out-of-bailiwick: 4 (ns3.nordicway.dk, ns3.nordicway.dk, ns4.nordicway.dk...)
Analysis
Hierarchy
test.firstclass.dk is delegated beneath firstclass.dk.
IP Addresses
firstclass.dk points to the IP addresses 144.76.168.29 and 2a01:4f8:200:442e::2
Among the host names that share IP numbers with firstclass.dk are dls-jagt.dk, bilreparation.dk, mail.fundraiser.dk and two others.
Name Servers
The domain firstclass.dk is delegated to these four name servers: ns1.nordicway.dk, ns2.nordicway.dk, ns3.nordicway.dk and ns4.nordicway.dk.
There is at least partial name server overlap between firstclass.dk and other domains — cms-pages.de, majses.dk, melo.dk and two more among them.
All four hostnames — ns1.nordicway.dk, ns2.nordicway.dk, ns3.nordicway.dk and ns4.nordicway.dk — resolve to two IP numbers apiece: ns1.nordicway.dk to 91.98.140.195 and 2a01:4f8:1c1a:a1e7::1; ns2.nordicway.dk to 49.13.80.249 and 2a01:4f8:c012:4db6::1; ns3.nordicway.dk to 78.47.45.64 and 2a01:4f8:c2c:d3c0::1; ns4.nordicway.dk to 78.47.56.84 and 2a01:4f8:c010:24a2::1.
Mail Servers
firstclass.dk routes its mail through a single mail server, mail.firstclass.dk.
mail.firstclass.dk resolves to a single IP number: 144.76.168.29.