ctrl-a.dk - dns.ninja
ctrl-a.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 1784277721localtime Fri Jul 17 10:42:01 2026gmtime Fri Ju... | ||||||
| SOA | b.nic.dktech@punktum.dk serial=1784277721 | ||||||
Same first word
ctrl-a.nl |
ctrl-a.de |
ctrl-a.co.kr |
ctrl-a.in |
ctrl-a.cn |
ctrl-a.dk |
ctrl-a.be |
ctrl-a.org |
ctrl-a.net |
ctrl-a.com |
ctrl-a.fr |
Similar names
DNS History
12 records (7 active, 5 former)
●NSns01.one.com2026-02-16 → 2026-07-17 · 3 obs
● 2026-02-16 12:30:18
● 2026-07-17 09:03:42
●NSns02.one.com2026-02-16 → 2026-07-17 · 3 obs
● 2026-02-16 12:30:18
● 2026-07-17 09:03:42
○NSns1.invent-it.dk2015-08-18 → 2016-09-24 · 4 obs
● 2016-09-24 04:33:06
○ 2026-02-16 12:30:18
○ 2026-07-17 09:03:42
○NSns2.invent-it.dk2015-08-18 → 2016-09-24 · 4 obs
● 2016-09-24 04:33:06
○ 2026-02-16 12:30:18
○ 2026-07-17 09:03:42
●MXalt1.aspmx.l.google.com2015-08-18 → 2026-07-17 · 2 obs
● 2026-07-17 09:03:42
●MXalt2.aspmx.l.google.com2015-08-18 → 2026-07-17 · 2 obs
● 2026-07-17 09:03:42
●MXalt3.aspmx.l.google.com2026-02-16 → 2026-07-17 · 3 obs
● 2026-02-16 12:30:18
● 2026-07-17 09:03:42
●MXalt4.aspmx.l.google.com2026-02-16 → 2026-07-17 · 3 obs
● 2026-02-16 12:30:18
● 2026-07-17 09:03:42
○MXaspmx.l.google.com2015-08-18 → 2016-09-24 · 4 obs
● 2016-09-24 04:33:06
○ 2026-02-16 12:30:18
○ 2026-07-17 09:03:42
○MXaspmx2.googlemail.com2015-08-18 → 2016-09-24 · 4 obs
● 2016-09-24 04:33:06
○ 2026-02-16 12:30:18
○ 2026-07-17 09:03:42
○MXaspmx3.googlemail.com2015-08-18 → 2016-09-24 · 4 obs
● 2016-09-24 04:33:06
○ 2026-02-16 12:30:18
○ 2026-07-17 09:03:42
●A46.30.211.382026-02-16 → 2026-07-17 · 2 obs
● 2026-07-17 09:03:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dk | s.nic.dk, l.nic.dk, b.nic.dk, h.nic.dk... | - |
| ctrl-a.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: 885ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 46.30.211.38 |
| NS | 2 | ns01.one.com, ns02.one.com |
| MX | 4 | alt1.aspmx.l.google.com (pri: 5), alt4.aspmx.l.google.com (pri: 10)... |
| SOA | 1 | ns01.one.com hostmaster.one.com |
Analysis
IP Addresses
ctrl-a.dk has exactly one IP address — 46.30.211.38.
kosters.dk, nordicdirect.se, complesso.se plus two other host names have IP numbers in common with ctrl-a.dk.
Name Servers
DNS delegation for ctrl-a.dk points to two name servers: ns01.one.com and ns02.one.com.
The name server configuration of ctrl-a.dk is shared with other domains, for instance frithiofson.se, korn2.de, langgaard.no and two others.
ns01.one.com directs to 195.206.121.10 and 2001:67c:28cc::10. ns02.one.com directs to 185.10.11.10 and 2001:67c:3c0::10. Each host name carries two IP addresses.
Mail Servers
The four mail servers for ctrl-a.dk are alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
At least some of the mail servers used by ctrl-a.dk are shared with other domains: icix.com, phalamrutha.com, ns500765.ns500699.ns500699.ns500699.ns500693.ns500734.ns500734.ns500699.ns500699.ns500693.ns500683.ns500683.ns500699.ns500693.ns500699.ns500602.dtrkdll.com and two others among them.
These mail servers are routinely found in combination with the mail servers aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com.
All four hostnames — alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com — resolve to two IP numbers apiece: alt1.aspmx.l.google.com to 108.177.123.27 and 2800:3f0:4003:c0f::1a; alt2.aspmx.l.google.com to 172.253.116.26 and 2a00:1450:400b:c02::1b; alt3.aspmx.l.google.com to 192.178.223.27 and 2a00:1450:4009:c0f::1a; alt4.aspmx.l.google.com to 172.253.157.26 and 2a00:1450:400c:c23::1b.