server4u.dk - dns.ninja
server4u.dk
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns1.curanet.dk ⭐ | ||||||
| A | 2a02:2339:4006:108::123🇩🇰 team-blue-denmark2a02:2339:4000::/34 | ||||||
| PTR | ns1.curanet.dk | ||||||
| A | 185.25.141.12🇩🇰 team-blue-denmark185.25.141.0/24 Zitcom A/S | ||||||
| PTR | ns1.curanet.dk | ||||||
| NS | ns2.curanet.dk | ||||||
| A | 2a02:2339:1:10f::123:123🇩🇰 team-blue-denmark2a02:2339::/36 | ||||||
| PTR | ns2.curanet.dk | ||||||
| A | 91.197.248.75🇩🇰 team-blue-denmark91.197.248.0/22 | ||||||
| PTR | ns2.curanet.dk | ||||||
| MX | mx1.mmcc.dk ⭐ | ||||||
| A | 130.185.129.200🇩🇰 GlobalConnect-AS31027130.185.128.0/20 Nianet A/S | ||||||
| PTR | mail.mmcc.dk | ||||||
| MX | mx2.mmcc.dk(20) | ||||||
| A | 130.185.129.200🇩🇰 GlobalConnect-AS31027130.185.128.0/20 Nianet A/S | ||||||
| PTR | mail.mmcc.dk | ||||||
| TXT | v=spf1 mx a:mx1.mmcc.dk a:mx2.mmcc.dk -all | ||||||
| SOA | ns1.curanet.dkhostmaster@curanet.dk 2021-11-17 #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 1783438201localtime Tue Jul 7 17:30:01 2026gmtime Tue Ju... | ||||||
| SOA | b.nic.dktech@punktum.dk serial=1783438201 | ||||||
Subdomains
mail.server4u.dk |
Same first word
server4u.de |
server4u.ru |
server4u.at |
server4u.nl |
server4u.gr |
server4u.se |
server4u.fr |
server4u.cz |
server4u.pl |
server4u.dk |
server4u.com |
server4u.eu |
server4u.co.il |
server4u.sk |
server4u.hu |
Similar names
DNS History
8 records (4 active, 4 former)
○NSns.scannet2.dk2015-05-25 → 2016-01-19 · 4 obs
● 2016-01-19 20:46:42
○ 2016-04-27 22:56:52
○ 2026-07-07 16:11:20
●NSns1.curanet.dk2016-04-27 → 2026-07-07 · 3 obs
● 2016-04-27 22:56:52
● 2026-07-07 16:11:20
●NSns2.curanet.dk2016-04-27 → 2026-07-07 · 3 obs
● 2016-04-27 22:56:52
● 2026-07-07 16:11:20
○NSns2.scannet2.dk2015-05-25 → 2016-01-19 · 4 obs
● 2016-01-19 20:46:42
○ 2016-04-27 22:56:52
○ 2026-07-07 16:11:20
○MXmail.server4u.dk2015-05-25 → 2016-01-19 · 4 obs
● 2016-01-19 20:46:42
○ 2016-04-27 22:56:52
○ 2026-07-07 16:11:20
●MXmx1.mmcc.dk2016-04-27 → 2026-07-07 · 3 obs
● 2016-04-27 22:56:52
● 2026-07-07 16:11:20
●MXmx2.mmcc.dk2016-04-27 → 2026-07-07 · 3 obs
● 2016-04-27 22:56:52
● 2026-07-07 16:11:20
○A130.185.129.1952015-05-25 → 2016-01-19 · 4 obs
● 2016-01-19 20:46:42
○ 2016-04-27 22:56:52
○ 2026-07-07 16:11:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dk | b.nic.dk, h.nic.dk, t.nic.dk, c.nic.dk... | - |
| server4u.dk | ns1.curanet.dk, ns2.curanet.dk | - |
✅ Authoritative Response
Server:91.197.248.75
NS records: ns1.curanet.dk, ns2.curanet.dk
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1230ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns2.curanet.dk, ns1.curanet.dk |
| MX | 2 | mx1.mmcc.dk (pri: 10), mx2.mmcc.dk (pri: 20) |
| TXT | 1 | v=spf1 mx a:mx1.mmcc.dk a:mx2.mmcc.dk -a |
| SOA | 1 | ns1.curanet.dk hostmaster.curanet.dk |
Analysis
Hierarchy
server4u.dk is the parent zone for mail.server4u.dk.
Name Servers
Two name servers handle the delegation for server4u.dk: ns1.curanet.dk and ns2.curanet.dk.
server4u.dk shares its name server setup with other domains, including bluecapital.dk, svendborg-kirkegaarde.dk, jobconnection.dk and two others.
Some of server4u.dk's name servers are also used by other domains, including renpro.dk, oncofab.com, capow.dk and jma.no.
ns1.curanet.dk and ns2.curanet.dk both carry two IP addresses. The A records for ns1.curanet.dk are 185.25.141.12 and 2a02:2339:4006:108::123; the A records for ns2.curanet.dk are 91.197.248.75 and 2a02:2339:1:10f::123:123.
Mail Servers
server4u.dk has two mail servers: mx1.mmcc.dk and mx2.mmcc.dk.
server4u.dk shares its mail server setup with other domains, such as servers4u.dk.
mx1.mmcc.dk directs to 130.185.129.200, as does mx2.mmcc.dk — both hostnames resolve to that one IP address.
mx1.mmcc.dk along with mx2.mmcc.dk each resolve to 130.185.129.200 IP addresses.