cdj.de - robtex.com
cdj.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 144.76.137.220🇩🇪 Hetzner144.76.0.0/16 HETZNER-RZ-BLK-ERX1 | ||||||
| PTR | static.220.137.76.144.clients.your-server.de | ||||||
| NS | ns1.first-ns.de ⭐ | ||||||
| A | 2a01:4f8:0:a101::a:1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | ns1.first-ns.de | ||||||
| A | 213.239.242.238🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2 | ||||||
| PTR | ns1.first-ns.de | ||||||
| NS | robotns2.second-ns.de | ||||||
| A | 2a01:4f8:0:1::5ddc:2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | robotns2.second-ns.de | ||||||
| A | 213.133.100.103🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1 | ||||||
| PTR | robotns2.second-ns.de | ||||||
| NS | robotns3.second-ns.com | ||||||
| A | 2001:67c:192c::add:a3🇩🇪 NORIS-NETWORK2001:67c:192c::/48 | ||||||
| PTR | robotns3.second-ns.com | ||||||
| A | 193.47.99.3🇩🇪 NORIS-NETWORK193.47.99.0/24 | ||||||
| PTR | robotns3.second-ns.com | ||||||
| MX | mail.cdj.de ⭐ | ||||||
| A | 144.76.137.220🇩🇪 Hetzner144.76.0.0/16 HETZNER-RZ-BLK-ERX1 | ||||||
| PTR | static.220.137.76.144.clients.your-server.de | ||||||
| SOA | ns1.first-ns.dedns@hetzner.com 2026-04-14 #0 | ||||||
de
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | f.nic.de ⭐ | ||||||
| NS | a.nic.de | ||||||
| NS | l.de.net ⚠️ Not in parent delegation | ||||||
| NS | n.de.net ⚠️ Not in parent delegation | ||||||
| NS | s.de.net ⚠️ Not in parent delegation | ||||||
| NS | z.nic.de | ||||||
| SOA | f.nic.dedns-operations@denic.de serial=1786207884 | ||||||
Subdomains
mail.cdj.de |
Same first word
Similar names
DNS History
6 records (5 active, 1 former)
●NSns1.first-ns.de2015-05-19 → 2026-08-08 · 2 obs
● 2026-08-08 16:57:20
●NSrobotns2.second-ns.de2015-05-19 → 2026-08-08 · 2 obs
● 2026-08-08 16:57:20
●NSrobotns3.second-ns.com2015-05-19 → 2026-08-08 · 2 obs
● 2026-08-08 16:57:20
●MXmail.cdj.de2015-05-19 → 2026-08-08 · 2 obs
● 2026-08-08 16:57:20
●A144.76.137.2202016-03-22 → 2026-08-08 · 3 obs
● 2016-03-22 09:39:50
● 2026-08-08 16:57:20
○A78.47.194.2102015-05-19 → 2015-12-16 · 4 obs
● 2015-12-16 20:06:38
○ 2016-03-22 09:39:50
○ 2026-08-08 16:57:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | f.nic.de, z.nic.de, a.nic.de | - |
| cdj.de | ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com | - |
✅ Authoritative Response
Server:193.47.99.3
NS records: ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cdj.de (unsigned zone)
⏱️ Timing
Total: 1127ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 144.76.137.220 |
| NS | 3 | robotns2.second-ns.de, robotns3.second-ns.com... |
| MX | 1 | mail.cdj.de (pri: 10) |
| SOA | 1 | ns1.first-ns.de dns.hetzner.com |
Analysis
Hierarchy
The domain mail.cdj.de falls under the parent cdj.de.
IP Addresses
cdj.de directs to one IP number, which is 144.76.137.220.
Among the host names that share IP numbers with cdj.de are mtopc.com, akr-www.akr.de, prolys.de and two others.
Name Servers
cdj.de has three name servers — robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.
At least some of cdj.de's name servers are shared with other domains, for example taubmann.net, bodensee-suche.com, duftstore.net and two more.
It is common for these name servers to be used in conjunction with the name servers ns1.your-server.de, ux2.conqwest.de and ns1.shelter.de.
Each of robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de points to two IP numbers. robotns3.second-ns.com points to 193.47.99.3 and 2001:67c:192c::add:a3. ns1.first-ns.de points to 213.239.242.238 and 2a01:4f8:0:a101::a:1. robotns2.second-ns.de points to 213.133.100.103 and 2a01:4f8:0:1::5ddc:2.
Mail Servers
cdj.de routes its mail through a single mail server, mail.cdj.de.
mail.cdj.de points to one IP number — 144.76.137.220.