c2s.dk - robtex.com
c2s.dk
| DNSSEC | ⚠️ Not signed | ||||||
| A | 78.31.252.23🇩🇰 KVIKNET-DK78.31.252.0/22 | ||||||
| PTR | smtp.mailpro.dk | ||||||
| NS | hydrogen.ns.hetzner.com ⭐ | ||||||
| A | 2a01:4f8:0:1::add:1098🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | hydrogen.ns.hetzner.com | ||||||
| A | 213.133.100.98🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1 | ||||||
| PTR | hydrogen.ns.hetzner.com | ||||||
| NS | helium.ns.hetzner.de | ||||||
| A | 2001:67c:192c::add:5🇩🇪 NORIS-NETWORK2001:67c:192c::/48 | ||||||
| PTR | helium.ns.hetzner.de | ||||||
| A | 193.47.99.5🇩🇪 NORIS-NETWORK193.47.99.0/24 | ||||||
| PTR | helium.ns.hetzner.de | ||||||
| NS | oxygen.ns.hetzner.com | ||||||
| A | 2a01:4f8:0:1::add:2992🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | oxygen.ns.hetzner.com | ||||||
| A | 88.198.229.192🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4 | ||||||
| PTR | oxygen.ns.hetzner.com | ||||||
| SOA | hydrogen.ns.hetzner.comdns@hetzner.com 2026-05-07 #3 | ||||||
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 1781507701localtime Mon Jun 15 09:15:01 2026gmtime Mon Ju... | ||||||
| SOA | b.nic.dktech@punktum.dk serial=1781507881 | ||||||
Same first word
Similar names
DNS History
10 records (4 active, 6 former)
●NShelium.ns.hetzner.de2026-06-10 → 2026-06-15 · 3 obs
● 2026-06-10 02:09:34
● 2026-06-15 07:43:54
●NShydrogen.ns.hetzner.com2026-06-10 → 2026-06-15 · 3 obs
● 2026-06-10 02:09:34
● 2026-06-15 07:43:54
○NSns1.gratisdns.dk2015-08-07 → 2020-12-19 · 4 obs
● 2020-12-19 05:43:04
○ 2026-06-10 02:09:34
○ 2026-06-15 07:43:54
○NSns2.gratisdns.dk2015-08-07 → 2020-12-19 · 4 obs
● 2020-12-19 05:43:04
○ 2026-06-10 02:09:34
○ 2026-06-15 07:43:54
○NSns3.gratisdns.dk2015-08-07 → 2020-12-19 · 4 obs
● 2020-12-19 05:43:04
○ 2026-06-10 02:09:34
○ 2026-06-15 07:43:54
○NSns4.gratisdns.dk2015-08-07 → 2020-12-19 · 4 obs
● 2020-12-19 05:43:04
○ 2026-06-10 02:09:34
○ 2026-06-15 07:43:54
○NSns5.gratisdns.dk2015-08-07 → 2020-12-19 · 4 obs
● 2020-12-19 05:43:04
○ 2026-06-10 02:09:34
○ 2026-06-15 07:43:54
●NSoxygen.ns.hetzner.com2026-06-10 → 2026-06-15 · 3 obs
● 2026-06-10 02:09:34
● 2026-06-15 07:43:54
○MXmail.c2s.dk2015-08-07 → 2020-12-19 · 4 obs
● 2020-12-19 05:43:04
○ 2026-06-10 02:09:34
○ 2026-06-15 07:43:54
●A78.31.252.232026-06-10 → 2026-06-15 · 2 obs
● 2026-06-15 07:43:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dk | b.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk... | - |
| c2s.dk | helium.ns.hetzner.de, oxygen.ns.hetzner.com, hydrogen.ns.hetzner.com | - |
✅ Authoritative Response
Server:193.47.99.5
NS records: helium.ns.hetzner.de, oxygen.ns.hetzner.com, hydrogen.ns.hetzner.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for c2s.dk (unsigned zone)
⏱️ Timing
Total: 864ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 78.31.252.23 |
| NS | 3 | helium.ns.hetzner.de, hydrogen.ns.hetzner.com... |
| SOA | 1 | hydrogen.ns.hetzner.com dns.hetzner.com |
Analysis
IP Addresses
c2s.dk has exactly one IP address — 78.31.252.23.
home-control.dk, mail.julhuset.dk, 78-31-252-23.static.kviknet.net plus two other host names have IP numbers in common with c2s.dk.
Name Servers
The authoritative name servers for c2s.dk are hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de — three in total.
At least some of c2s.dk's name servers are shared with other domains, for example streamcrab.com, c-s-m.ch, xamh.de and two more.
It is common for these name servers to be used in conjunction with the name servers ns1.first-ns.de, robotns3.second-ns.com and robotns2.second-ns.de.
hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de all resolve to exactly two IP numbers apiece: hydrogen.ns.hetzner.com → 213.133.100.98 and 2a01:4f8:0:1::add:1098; oxygen.ns.hetzner.com → 88.198.229.192 and 2a01:4f8:0:1::add:2992; helium.ns.hetzner.de → 193.47.99.5 and 2001:67c:192c::add:5.