usr.dk - dns.ninja
usr.dk
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 77.111.240.159🇩🇰 ONECOM77.111.240.0/22 One.com A/S | ||||||
| PTR | webcluster1.webpod11-cph3.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 | ||||||
| TXT | v=spf1 include:_custspf.one.com ~all | ||||||
| SOA | ns01.one.comhostmaster@one.com 2026-05-12 #4 | ||||||
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 1783461781localtime Wed Jul 8 00:03:01 2026gmtime Tue Ju... | ||||||
| SOA | b.nic.dktech@punktum.dk serial=1783461781 | ||||||
Previously MX for
usr.dk |
Subdomains
www.usr.dk |
Same first word
Similar names
DNS History
14 records (7 active, 7 former)
○NS87.116.28.42015-10-25 → 2020-11-23 · 5 obs
● 2015-10-25 19:54:30
● 2020-11-23 08:14:44
○ 2026-03-28 03:35:48
○ 2026-07-07 22:17:30
○NS87.116.28.42015-07-21 → 2015-07-21 · 3 obs
○ 2015-10-25 19:54:30
○ 2026-07-07 22:17:30
○NSbolivia2015-07-21 → 2020-11-23 · 4 obs
● 2020-11-23 08:14:44
○ 2026-03-28 03:35:48
○ 2026-07-07 22:17:30
○NSbolivia.kmk.dk2015-07-21 → 2020-11-23 · 4 obs
● 2020-11-23 08:14:44
○ 2026-03-28 03:35:48
○ 2026-07-07 22:17:30
○NSkirgisien.kmk.dk2015-07-21 → 2020-11-23 · 4 obs
● 2020-11-23 08:14:44
○ 2026-03-28 03:35:48
○ 2026-07-07 22:17:30
●NSns01.one.com2026-03-28 → 2026-07-07 · 3 obs
● 2026-03-28 03:35:48
● 2026-07-07 22:17:30
●NSns02.one.com2026-03-28 → 2026-07-07 · 3 obs
● 2026-03-28 03:35:48
● 2026-07-07 22:17:30
●MXmx1.pub.mailpod11-cph3.one.com2026-03-28 → 2026-07-07 · 3 obs
● 2026-03-28 03:35:48
● 2026-07-07 22:17:30
●MXmx2.pub.mailpod11-cph3.one.com2026-03-28 → 2026-07-07 · 3 obs
● 2026-03-28 03:35:48
● 2026-07-07 22:17:30
●MXmx3.pub.mailpod11-cph3.one.com2026-03-28 → 2026-07-07 · 3 obs
● 2026-03-28 03:35:48
● 2026-07-07 22:17:30
●MXmx4.pub.mailpod11-cph3.one.com2026-03-28 → 2026-07-07 · 3 obs
● 2026-03-28 03:35:48
● 2026-07-07 22:17:30
○MXusr.dk2015-07-21 → 2020-11-23 · 4 obs
● 2020-11-23 08:14:44
○ 2026-03-28 03:35:48
○ 2026-07-07 22:17:30
●A77.111.240.1592026-03-28 → 2026-07-07 · 3 obs
● 2026-03-28 03:35:48
● 2026-07-07 22:17:30
○A87.116.28.72015-07-21 → 2020-11-23 · 4 obs
● 2020-11-23 08:14:44
○ 2026-03-28 03:35:48
○ 2026-07-07 22:17:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dk | b.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk... | - |
| usr.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: 763ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 77.111.240.159 |
| NS | 2 | ns02.one.com, ns01.one.com |
| MX | 4 | mx2.pub.mailpod11-cph3.one.com (pri: 10), mx4.pub.mailpod11-cph3.one.com (pri: 10)... |
| TXT | 1 | v=spf1 include:_custspf.one.com ~all |
| SOA | 1 | ns01.one.com hostmaster.one.com |
Analysis
Hierarchy
www.usr.dk is a subdomain of usr.dk.
IP Addresses
usr.dk resolves to one IP address: 77.111.240.159.
sensenet.dk, www.varmdodykservice.se, quadriki.org and two other host names share IP numbers with usr.dk.
Name Servers
usr.dk is served by two delegated name servers, ns01.one.com and ns02.one.com.
usr.dk uses the same name servers as several other domains — among them kovats.at, moheda.se, xyz.no and two more.
Each of the two host names carries two IP addresses: ns01.one.com points to 195.206.121.10 and 2001:67c:28cc::10, and ns02.one.com points to 185.10.11.10 and 2001:67c:3c0::10.
Mail Servers
Mail for usr.dk is handled by four mail servers: 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.
usr.dk has at least partial mail server overlap with other domains such as match-online.se, uritzen.dk, ceauto.dk and two more.
Each of the four hosts 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 points to a single IP address — mx1.pub.mailpod11-cph3.one.com points to 104.37.34.230, mx2.pub.mailpod11-cph3.one.com points to 104.37.34.231, mx3.pub.mailpod11-cph3.one.com points to 104.37.34.232 and mx4.pub.mailpod11-cph3.one.com points to 104.37.34.233.