firstoffice.dk - dns.ninja
firstoffice.dk
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 46.30.211.38🇩🇰 ONECOM46.30.208.0/21 One.com A/S | ||||||
| PTR | domain-parking.one.com | ||||||
| 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 | mx1.pub.mailpod11-cph3.one.com ⭐ | ||||||
| A | 104.37.34.230🇩🇰 ONECOM104.37.32.0/21 One.com A/S | ||||||
| PTR | mx1.pub.mailpod11-cph3.one.com | ||||||
| MX | mx2.pub.mailpod11-cph3.one.com ⭐ | ||||||
| A | 104.37.34.231🇩🇰 ONECOM104.37.32.0/21 One.com A/S | ||||||
| PTR | mx2.pub.mailpod11-cph3.one.com | ||||||
| MX | mx3.pub.mailpod11-cph3.one.com ⭐ | ||||||
| A | 104.37.34.232🇩🇰 ONECOM104.37.32.0/21 One.com A/S | ||||||
| PTR | mx3.pub.mailpod11-cph3.one.com | ||||||
| MX | mx4.pub.mailpod11-cph3.one.com ⭐ | ||||||
| A | 104.37.34.233🇩🇰 ONECOM104.37.32.0/21 One.com A/S | ||||||
| PTR | mx4.pub.mailpod11-cph3.one.com | ||||||
| SOA | ns01.one.comhostmaster@one.com 2026-02-19 #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 1786650840localtime Thu Aug 13 21:54:00 2026gmtime Thu Au... | ||||||
| SOA | b.nic.dktech@punktum.dk serial=1786650840 | ||||||
Same first word
firstoffice.co.uk |
firstoffice.ch |
firstoffice.ro |
firstoffice.se |
firstoffice.eu |
firstoffice.pl |
firstoffice.dk |
firstoffice.de |
firstoffice.net |
firstoffice.com |
Similar names
DNS History
10 records (7 active, 3 former)
○NSa.ns.hansaworld.net2015-07-03 → 2017-02-07 · 4 obs
● 2017-02-07 04:45:04
○ 2026-03-28 05:54:54
○ 2026-08-13 19:54:44
○NSb.ns.hansaworld.net2015-07-03 → 2017-02-07 · 4 obs
● 2017-02-07 04:45:04
○ 2026-03-28 05:54:54
○ 2026-08-13 19:54:44
●NSns01.one.com2026-03-28 → 2026-08-13 · 3 obs
● 2026-03-28 05:54:54
● 2026-08-13 19:54:44
●NSns02.one.com2026-03-28 → 2026-08-13 · 3 obs
● 2026-03-28 05:54:54
● 2026-08-13 19:54:44
●MXmx1.pub.mailpod11-cph3.one.com2026-03-28 → 2026-08-13 · 2 obs
● 2026-08-13 19:54:44
●MXmx2.pub.mailpod11-cph3.one.com2026-03-28 → 2026-08-13 · 2 obs
● 2026-08-13 19:54:44
●MXmx3.pub.mailpod11-cph3.one.com2026-03-28 → 2026-08-13 · 2 obs
● 2026-08-13 19:54:44
●MXmx4.pub.mailpod11-cph3.one.com2026-03-28 → 2026-08-13 · 2 obs
● 2026-08-13 19:54:44
●A46.30.211.382026-03-28 → 2026-08-13 · 3 obs
● 2026-03-28 05:54:54
● 2026-08-13 19:54:44
○A54.75.250.582015-07-03 → 2017-02-07 · 4 obs
● 2017-02-07 04:45:04
○ 2026-03-28 05:54:54
○ 2026-08-13 19:54:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dk | l.nic.dk, b.nic.dk, c.nic.dk, h.nic.dk... | - |
| firstoffice.dk | ns01.one.com, ns02.one.com | - |
✅ Authoritative Response
Server:195.206.121.10
NS records: ns01.one.com, ns02.one.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1092ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 46.30.211.38 |
| NS | 2 | ns02.one.com, ns01.one.com |
| MX | 4 | mx1.pub.mailpod11-cph3.one.com (pri: 10), mx3.pub.mailpod11-cph3.one.com (pri: 10)... |
| SOA | 1 | ns01.one.com hostmaster.one.com |
Analysis
IP Addresses
firstoffice.dk directs to one IP number, which is 46.30.211.38.
Among the host names that share IP numbers with firstoffice.dk are dnsi.nu, www.hogblom.se, lutmail.dk and two others.
Name Servers
firstoffice.dk has two authoritative name servers — ns01.one.com and ns02.one.com.
firstoffice.dk has the same name server delegation as a number of other domains, such as fjallcamp.se, eltera.no, haarchitect-hetbarbiertje.com and two more.
The name servers for firstoffice.dk overlap at least partially with those of other domains — for example symaskinservice.nu.
Both ns01.one.com and ns02.one.com have two IP addresses each. ns01.one.com resolves to 195.206.121.10 and 2001:67c:28cc::10; ns02.one.com resolves to 185.10.11.10 and 2001:67c:3c0::10.
Mail Servers
Four mail servers handle email for firstoffice.dk: mx1.pub.mailpod11-cph3.one.com, mx2.pub.mailpod11-cph3.one.com, mx3.pub.mailpod11-cph3.one.com and mx4.pub.mailpod11-cph3.one.com.
firstoffice.dk shares at least some of its mail servers with other domains — for example camillaschou.dk, olofpetra.com, vallen.se and two more.
mx1.pub.mailpod11-cph3.one.com resolves to 104.37.34.230. mx2.pub.mailpod11-cph3.one.com resolves to 104.37.34.231. mx3.pub.mailpod11-cph3.one.com resolves to 104.37.34.232. mx4.pub.mailpod11-cph3.one.com resolves to 104.37.34.233. All four hosts carry exactly one IP address.