linux.dk - dns.ninja
linux.dk
| DNSSEC | ⚠️ Not signed | ||||||
| A | 139.162.133.239🇩🇪 AKAMAI-LINODE-AP139.162.128.0/19 Akamai Technologies | ||||||
| PTR | schou.dk | ||||||
| NS | dns0.kyber.dk ⭐ | ||||||
| A | 2a01:4f9:c01f:b5::1🇩🇪 Hetzner2a01:4f9::/32 HETZNER-IPv6-BLK | ||||||
| PTR | kyedns.com | ||||||
| A | 157.180.74.191🇩🇪 Hetzner157.180.0.0/17 HETZNER-DC | ||||||
| PTR | kyedns.com | ||||||
| NS | dns1.kyber.dk | ||||||
| A | 93.163.42.22🇩🇰 TDC93.160.0.0/14 | ||||||
| PTR | 93-163-42-22-static.dk.customer.tdc.net | ||||||
| NS | dns2.kyber.dk | ||||||
| A | 2a03:b0c0:1:d0::311:1001🇬🇧 DIGITALOCEAN2a03:b0c0:1::/48 DigitalOcean | ||||||
| PTR | dns2.kyber.dk | ||||||
| A | 178.62.87.87🇬🇧 DIGITALOCEAN178.62.64.0/18 DigitalOcean | ||||||
| PTR | dns2.kyber.dk | ||||||
| MX | mail.linux.dk ⭐ | ||||||
| A | 130.225.213.110🇩🇰 FSKNET-DK130.225.0.0/16 Forskningsnettet-130.225 | ||||||
| TXT | This domain is NOT for sale. Ever. | ||||||
| TXT | Ejet af jesper@angelo.dk - udlaant til SSLUG og linux interessenter | ||||||
| TXT | Domain is free of use. Please go to DynDNS.dk to register a subdomain. | ||||||
| SOA | dns0.kyber.dkdkguru@gmail.com 2026-04-04 #33 | ||||||
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 1780534081localtime Thu Jun 4 02:48:01 2026gmtime Thu Ju... | ||||||
| SOA | b.nic.dktech@punktum.dk serial=1780533901 | ||||||
Subdomains
mail.linux.dk |
Same first word
Similar names
DNS History
6 records (5 active, 1 former)
●MXmail.linux.dk2015-08-23 → 2026-06-04 · 5 obs
● 2026-03-08 23:41:46
○ 2026-04-03 16:59:24
● 2026-04-13 14:04:58
● 2026-06-04 01:11:18
●A139.162.133.2392026-02-24 → 2026-06-04 · 6 obs
● 2026-02-24 17:16:46
● 2026-03-08 23:41:46
○ 2026-04-03 16:59:24
● 2026-04-13 14:04:58
● 2026-06-04 01:11:18
○A176.9.29.742015-08-23 → 2018-08-05 · 4 obs
● 2018-08-05 02:33:24
○ 2026-02-24 17:16:46
○ 2026-06-04 01:11:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dk | l.nic.dk, c.nic.dk, b.nic.dk, h.nic.dk... | - |
| linux.dk | dns2.kyber.dk, dns0.kyber.dk, dns1.kyber.dk | 4 records |
✅ Authoritative Response
Server:178.62.87.87
NS records: dns2.kyber.dk, dns0.kyber.dk, dns1.kyber.dk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for linux.dk (unsigned zone)
⏱️ Timing
Total: 519ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 139.162.133.239 |
| NS | 3 | dns2.kyber.dk, dns0.kyber.dk... |
| MX | 2 | mail.linux.dk (pri: 10), mail.linux.dk (pri: 20) |
| TXT | 3 | This domain is NOT for sale. Ever., Ejet af jesper@angelo.dk - udlaant til S... |
| SOA | 1 | dns0.kyber.dk dkguru.gmail.com |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (dns2.kyber.dk, dns1.kyber.dk, dns0.kyber.dk...)
Analysis
Hierarchy
The domain mail.linux.dk falls under the parent linux.dk.
IP Addresses
linux.dk directs to one IP number, which is 139.162.133.239.
Other host names, for instance schou.dk, visc.dk and mail.visc.dk share IP numbers with linux.dk.
Name Servers
The authoritative name servers for linux.dk are dns0.kyber.dk, dns1.kyber.dk and dns2.kyber.dk — three in total.
At least some of linux.dk's name servers are shared with other domains, for example warpspeed.dk, magic-soft.dk, birchi.ch and two more.
It is common for these name servers to be used in conjunction with the name servers ns1.kyedns.com, ns2.kyedns.com and ns3.kyedns.com.
Hosts with two IP numbers each:
dns0.kyber.dk directs traffic to 157.180.74.191 and 2a01:4f9:c01f:b5::1.
dns2.kyber.dk directs traffic to 178.62.87.87 and 2a03:b0c0:1:d0::311:1001.
Host names with one IP number:
dns1.kyber.dk has the IP address 93.163.42.22.
Mail Servers
linux.dk routes its mail through a single mail server, mail.linux.dk.
mail.linux.dk directs to just one IP number, 130.225.213.110.