4cc.dk - dns.ninja
4cc.dk
| DNSSEC | ⚠️ Not signed | ||||||
| A | 185.21.40.141🇩🇰 team-blue-denmark185.21.40.0/22 ZITCOM A/S | ||||||
| PTR | web133.123hotel.dk | ||||||
| NS | ns1.123hotel.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 | ns2.123hotel.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.onlinemail.io ⭐ | ||||||
| A | 185.21.42.12🇩🇰 team-blue-denmark185.21.40.0/22 ZITCOM A/S | ||||||
| PTR | mx1.onlinemail.io | ||||||
| MX | mx2.onlinemail.io(20) | ||||||
| A | 46.36.208.16🇩🇰 team-blue-denmark46.36.208.0/21 | ||||||
| PTR | mx2.onlinemail.io | ||||||
| TXT | v=spf1 include:spf.onlinemail.io ?all | ||||||
| SOA | ns1.123hotel.dkhostmaster@curanet.dk 2021-11-18 #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 1785970981localtime Thu Aug 6 01:03:01 2026gmtime Wed Au... | ||||||
| SOA | b.nic.dktech@punktum.dk serial=1785970981 | ||||||
Subdomains
mail.4cc.dk |
Same first word
4cc.ws |
4cc.com |
4cc.ir |
4cc.im |
4cc.info |
4cc.com.br |
4cc.com.au |
4cc.pro |
4cc.eu |
4cc.co |
4cc.be |
4cc.de |
4cc.lol |
4cc.at |
4cc.org |
4cc.cc |
4cc.us |
4cc.dk |
4cc.co.uk |
4cc.co.jp |
4cc.biz |
Similar names
DNS History
8 records (5 active, 3 former)
●NSns1.123hotel.dk2015-08-12 → 2026-08-05 · 2 obs
● 2026-08-05 23:48:46
●NSns2.123hotel.dk2015-08-12 → 2026-08-05 · 2 obs
● 2026-08-05 23:48:46
○MXbackup-mx.zitcom.dk2015-08-12 → 2017-09-18 · 4 obs
● 2017-09-18 22:54:46
○ 2026-04-11 20:10:08
○ 2026-08-05 23:48:46
○MXmail.4cc.dk2015-08-12 → 2017-09-18 · 4 obs
● 2017-09-18 22:54:46
○ 2026-04-11 20:10:08
○ 2026-08-05 23:48:46
●MXmx1.onlinemail.io2026-04-11 → 2026-08-05 · 3 obs
● 2026-04-11 20:10:08
● 2026-08-05 23:48:46
●MXmx2.onlinemail.io2026-04-11 → 2026-08-05 · 3 obs
● 2026-04-11 20:10:08
● 2026-08-05 23:48:46
●A185.21.40.1412026-04-11 → 2026-08-05 · 3 obs
● 2026-04-11 20:10:08
● 2026-08-05 23:48:46
○A94.231.109.1882015-08-12 → 2017-09-18 · 4 obs
● 2017-09-18 22:54:46
○ 2026-04-11 20:10:08
○ 2026-08-05 23:48:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dk | s.nic.dk, l.nic.dk, h.nic.dk, b.nic.dk... | 12 records |
| 4cc.dk | ns1.123hotel.dk, ns2.123hotel.dk | 4 records |
✅ Authoritative Response
Server:91.197.248.75
NS records: ns1.123hotel.dk, ns2.123hotel.dk
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 626ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.21.40.141 |
| NS | 2 | ns1.123hotel.dk, ns2.123hotel.dk |
| MX | 2 | mx2.onlinemail.io (pri: 20), mx1.onlinemail.io (pri: 10) |
| TXT | 1 | v=spf1 include:spf.onlinemail.io ?all |
| SOA | 1 | ns1.123hotel.dk hostmaster.curanet.dk |
📌 Glue Records Collected
Total: 16
In-bailiwick: 12 (b.nic.dk, c.nic.dk, h.nic.dk...)
Out-of-bailiwick: 4 (ns1.123hotel.dk, ns1.123hotel.dk, ns2.123hotel.dk...)
Analysis
Hierarchy
mail.4cc.dk is a subdomain of 4cc.dk.
IP Addresses
4cc.dk resolves to one IP address: 185.21.40.141.
xstart.dk, altero.dk, comadata.dk and two other host names share IP numbers with 4cc.dk.
Name Servers
4cc.dk is served by two delegated name servers, ns1.123hotel.dk and ns2.123hotel.dk.
4cc.dk uses the same name servers as several other domains — among them he-jorgensen.dk, cilo.biz, broegger-art.dk and two more.
The name servers of 4cc.dk overlap at least partially with those of other domains — among them businesscms.eu, codemaster.dk, harologi.dk and two more.
These name servers commonly appear alongside the name servers ns1.curanet.dk and ns2.curanet.dk.
Each of the two host names carries two IP addresses: ns1.123hotel.dk points to 185.25.141.12 and 2a02:2339:4006:108::123, and ns2.123hotel.dk points to 91.197.248.75 and 2a02:2339:1:10f::123:123.
Mail Servers
Mail for 4cc.dk is handled by two mail servers — mx1.onlinemail.io and mx2.onlinemail.io.
4cc.dk uses an identical mail server configuration to several other domains — among them smedene.dk, onedesign.dk, 8a.dk and two more.
4cc.dk partially shares its mail servers with other domains — including skb-svommehal.dk, 33325058.dk, oestertoft.com and mettebau.dk.
Both mx1.onlinemail.io and mx2.onlinemail.io have a single IP address each — mx1.onlinemail.io resolves to 185.21.42.12 while mx2.onlinemail.io resolves to 46.36.208.16.