c-20.dk - robtex.com
c-20.dk
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 130.226.235.163🇩🇰 FSKNET-DK130.226.0.0/16 Forskningsnettet-130.226 | ||||||
| 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 | ||||||
| PTR | ns01.one.com | ||||||
| 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 | ||||||
| PTR | ns02.one.com | ||||||
| MX | c-20.dk ⭐ 🔒 | ||||||
| A | 130.226.235.163🇩🇰 FSKNET-DK130.226.0.0/16 Forskningsnettet-130.226 | ||||||
| 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 1774421821localtime Wed Mar 25 07:57:01 2026gmtime Wed Ma... | ||||||
| SOA | b.nic.dktech@punktum.dk serial=1774421821 | ||||||
MX for
c-20.dk |
Same first word
DNS History
9 records (4 active, 5 former)
●NSns01.one.com2026-03-25 → 2026-03-25 · 3 obs
● 2026-03-25 07:16:40
● 2026-03-25 07:16:44
●NSns02.one.com2026-03-25 → 2026-03-25 · 3 obs
● 2026-03-25 07:16:40
● 2026-03-25 07:16:44
○NSns1.gratisdns.dk2015-07-26 → 2017-01-02 · 4 obs
● 2017-01-02 18:45:00
○ 2026-03-25 07:16:40
○ 2026-03-25 07:16:44
○NSns2.gratisdns.dk2015-07-26 → 2017-01-02 · 4 obs
● 2017-01-02 18:45:00
○ 2026-03-25 07:16:40
○ 2026-03-25 07:16:44
○NSns3.gratisdns.dk2015-07-26 → 2017-01-02 · 4 obs
● 2017-01-02 18:45:00
○ 2026-03-25 07:16:40
○ 2026-03-25 07:16:44
○NSns4.gratisdns.dk2015-07-26 → 2017-01-02 · 4 obs
● 2017-01-02 18:45:00
○ 2026-03-25 07:16:40
○ 2026-03-25 07:16:44
○NSns5.gratisdns.dk2015-07-26 → 2017-01-02 · 4 obs
● 2017-01-02 18:45:00
○ 2026-03-25 07:16:40
○ 2026-03-25 07:16:44
●MXc-20.dk2015-07-26 → 2026-03-25 · 2 obs
● 2026-03-25 07:16:44
●A130.226.235.1632015-07-26 → 2026-03-25 · 2 obs
● 2026-03-25 07:16:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dk | s.nic.dk, c.nic.dk, h.nic.dk, b.nic.dk... | - |
| c-20.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: 407ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 130.226.235.163 |
| NS | 2 | ns02.one.com, ns01.one.com |
| MX | 1 | c-20.dk (pri: 10) |
| SOA | 1 | ns01.one.com hostmaster.one.com |
Analysis
Mail Server Role
For c-20.dk, the mail server is c-20.dk.
IP Addresses
c-20.dk points to a single IP number: 130.226.235.163.
Other host names, for instance artney.com, navnelisten.dk, netlogen.dk and studie2.dk share IP numbers with c-20.dk.
Name Servers
c-20.dk is delegated to two name servers: ns01.one.com and ns02.one.com.
c-20.dk shares the same name server setup as other domains, for example magrini.se, thealexsander.com, desmet.de, growlager.com and storp.dk.
c-20.dk at least partially shares its name servers with other domains, for instance singhalenterprise.com.
Host names with two IP numbers:
ns01.one.com points to 2001:67c:28cc::10 and 195.206.121.10
ns02.one.com points to 2001:67c:3c0::10 and 185.10.11.10
Mail Servers
One mail server handles c-20.dk.
Host name c-20.dk points to IP address 130.226.235.163.