data4u.dk - dns.ninja
data4u.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 1786579920localtime Thu Aug 13 02:12:00 2026gmtime Thu Au... | ||||||
| SOA | b.nic.dktech@punktum.dk serial=1786579920 | ||||||
Subdomains
sql.data4u.dk |
Same first word
data4u.ru |
data4u.ch |
data4u.nl |
data4u.eu |
data4u.co.nz |
data4u.net |
data4u.dk |
data4u.com |
data4u.co.uk |
data4u.com.cy |
data4u.de |
data4u.co.kr |
data4u.se |
data4u.org |
data4u.kr |
data4u.com.br |
data4u.azurewebsites.net |
data4u.vip |
Similar names
DNS History
16 records (6 active, 10 former)
○NSns.eurosupport.dk2008-11-03 → 2008-11-03 · 3 obs
○ 2015-07-16 11:25:22
○ 2026-08-13 00:12:52
●NSns01.one.com2026-02-27 → 2026-08-13 · 3 obs
● 2026-02-27 09:51:50
● 2026-08-13 00:12:52
●NSns02.one.com2026-02-27 → 2026-08-13 · 3 obs
● 2026-02-27 09:51:50
● 2026-08-13 00:12:52
○NSns1.eurosupport.dk2008-11-03 → 2008-11-03 · 3 obs
○ 2015-07-16 11:25:22
○ 2026-08-13 00:12:52
○NSns1.gratisdns.dk2015-07-16 → 2017-09-25 · 5 obs
● 2015-07-16 11:25:22
● 2017-09-25 08:31:18
○ 2026-02-27 09:51:50
○ 2026-08-13 00:12:52
○NSns2.gratisdns.dk2015-07-16 → 2017-09-25 · 5 obs
● 2015-07-16 11:25:22
● 2017-09-25 08:31:18
○ 2026-02-27 09:51:50
○ 2026-08-13 00:12:52
○NSns3.gratisdns.dk2015-07-16 → 2017-09-25 · 5 obs
● 2015-07-16 11:25:22
● 2017-09-25 08:31:18
○ 2026-02-27 09:51:50
○ 2026-08-13 00:12:52
○NSns4.gratisdns.dk2015-07-16 → 2017-09-25 · 5 obs
● 2015-07-16 11:25:22
● 2017-09-25 08:31:18
○ 2026-02-27 09:51:50
○ 2026-08-13 00:12:52
○NSns5.gratisdns.dk2015-07-16 → 2017-09-25 · 5 obs
● 2015-07-16 11:25:22
● 2017-09-25 08:31:18
○ 2026-02-27 09:51:50
○ 2026-08-13 00:12:52
○MXmail.data4u.dk2008-11-03 → 2008-11-03 · 3 obs
○ 2015-07-16 11:25:22
○ 2026-08-13 00:12:52
●MXmx.zoho.com2016-12-25 → 2026-08-13 · 6 obs
● 2016-12-25 01:42:58
● 2026-06-04 21:30:14
○ 2026-06-11 01:08:30
● 2026-06-15 03:22:20
● 2026-08-13 00:12:52
○MXmx.zohomail.com2015-07-16 → 2016-01-28 · 5 obs
● 2015-07-16 11:25:22
● 2016-01-28 16:25:04
○ 2016-12-25 01:42:58
○ 2026-08-13 00:12:52
●MXmx2.zoho.com2016-12-25 → 2026-08-13 · 6 obs
● 2016-12-25 01:42:58
● 2026-06-04 21:30:14
○ 2026-06-11 01:08:30
● 2026-06-15 03:22:20
● 2026-08-13 00:12:52
○MXmx2.zohomail.com2015-07-16 → 2016-01-28 · 5 obs
● 2015-07-16 11:25:22
● 2016-01-28 16:25:04
○ 2016-12-25 01:42:58
○ 2026-08-13 00:12:52
●MXmx3.zoho.com2016-12-25 → 2026-08-13 · 6 obs
● 2016-12-25 01:42:58
● 2026-06-04 21:30:14
○ 2026-06-11 01:08:30
● 2026-06-15 03:22:20
● 2026-08-13 00:12:52
●A191.235.208.122015-07-16 → 2026-08-13 · 6 obs
● 2015-07-16 11:25:22
● 2026-06-04 21:30:14
○ 2026-06-11 01:08:30
● 2026-06-15 03:22:20
● 2026-08-13 00:12:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dk | b.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk... | - |
| data4u.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: 1155ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 191.235.208.12 |
| NS | 2 | ns02.one.com, ns01.one.com |
| MX | 3 | mx2.zoho.com (pri: 20), mx3.zoho.com (pri: 50)... |
| TXT | 1 | v=spf1 mx include:zoho.com ~all |
| SOA | 1 | ns01.one.com hostmaster.one.com |
Analysis
Hierarchy
sql.data4u.dk is a subdomain of data4u.dk.
IP Addresses
data4u.dk resolves to one IP address: 191.235.208.12.
amen.dk, 2hot.dk, revival.dk and two other host names share IP numbers with data4u.dk.
Name Servers
data4u.dk uses two name servers for its delegation: ns01.one.com and ns02.one.com.
data4u.dk uses the same name servers as several other domains — among them ndor.dk, esia.se, nr9.nl and two more.
The two host names ns01.one.com and ns02.one.com each have a pair of IP addresses: ns01.one.com has 195.206.121.10 and 2001:67c:28cc::10, and ns02.one.com has 185.10.11.10 and 2001:67c:3c0::10.
Mail Servers
Mail for data4u.dk is routed through three mail servers — mx2.zoho.com, mx3.zoho.com and mx.zoho.com.
data4u.dk has at least partial mail server overlap with other domains such as chandler-automation.com, learncakedecoratingonline.com, zivaconserv.com and two more.
mx2.zoho.com has IP address 136.143.183.44, and mx3.zoho.com and mx.zoho.com both have IP address 204.141.43.44.
Both mx3.zoho.com and mx.zoho.com resolve to 204.141.43.44 IP addresses each.