cpp-training.de - robtex.com
cpp-training.de
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=1794034570 | ||||||
Subdomains
mail.cpp-training.de |
Same first word
cpp-training.de |
Similar names
Previous names
Next names
DNS History
7 records (7 active, 0 former)
●NSroot-dns.netcup.net2026-09-19 → 2026-11-07 · 2 obs
● 2026-11-07 07:09:48
●NSsecond-dns.netcup.net2026-09-19 → 2026-11-07 · 2 obs
● 2026-11-07 07:09:48
●NSthird-dns.netcup.net2026-09-19 → 2026-11-07 · 2 obs
● 2026-11-07 07:09:48
●MXmail.cpp-training.de2026-09-19 → 2026-11-07 · 4 obs
○ 2026-09-20 20:29:22
● 2026-09-23 12:37:08
● 2026-11-07 07:09:48
●MXmxe836.netcup.net2026-09-19 → 2026-11-07 · 4 obs
○ 2026-09-20 20:29:22
● 2026-09-23 12:37:08
● 2026-11-07 07:09:48
●A202.61.232.522026-09-19 → 2026-11-07 · 4 obs
○ 2026-09-20 20:29:22
● 2026-09-23 12:37:08
● 2026-11-07 07:09:48
●A2a03:4000:30:f7e0::16:46372026-09-19 → 2026-11-07 · 4 obs
○ 2026-09-20 20:29:22
● 2026-09-23 12:37:08
● 2026-11-07 07:09:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, z.nic.de, f.nic.de | - |
| cpp-training.de | root-dns.netcup.net, third-dns.netcup.net, second-dns.netcup.net | - |
✅ Authoritative Response
Server:37.221.199.199
NS records: root-dns.netcup.net, third-dns.netcup.net, second-dns.netcup.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cpp-training.de (unsigned zone)
⏱️ Timing
Total: 1162ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 202.61.232.52 |
| AAAA | 1 | 2a03:4000:30:f7e0::16:4637 |
| NS | 3 | root-dns.netcup.net, third-dns.netcup.net... |
| MX | 2 | mxe836.netcup.net (pri: 50), mail.cpp-training.de (pri: 10) |
| TXT | 1 | v=spf1 mx a include:_spf.webhosting.syst |
| SOA | 1 | root-dns.netcup.net dnsadmin.netcup.net |
Analysis
Hierarchy
mail.cpp-training.de is delegated beneath cpp-training.de.
IP Addresses
cpp-training.de points to the IP addresses 202.61.232.52 and 2a03:4000:30:f7e0::16:4637
Among the host names that share IP numbers with cpp-training.de are afdbuende.de, danze.de, stockmum.de and two others.
Name Servers
cpp-training.de carries NS records delegating to root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net.
There is at least partial name server overlap between cpp-training.de and other domains — architektin-korus.de, channa.de, riccardopedace.de and two more among them.
root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net are three hostnames that each resolve to a pair of IP addresses: root-dns.netcup.net to 46.38.225.225 and 2a03:4000:0:1::e1e1, second-dns.netcup.net to 37.221.199.199 and 2a03:4000:2:24b::c7c7, and third-dns.netcup.net to 188.68.63.68 and 2a03:4001:0:106::3f44.
Mail Servers
The MX records for cpp-training.de point to two mail servers: mail.cpp-training.de and mxe836.netcup.net.
cpp-training.de shares at least some of its mail servers with other domains — for example afd-buende.de, drohnen-punktwolken.de, unique-code.gmbh and two more.
Hosts with two IP numbers each:
mxe836.netcup.net resolves to two addresses: 202.61.232.54 and 2a03:4000:0:4db:8837:1cff:fe81:3d8e.
Hosts that resolve to one IP address:
The hostname mail.cpp-training.de resolves to 202.61.232.54.
mxe836.netcup.net along with mail.cpp-training.de each resolve to 202.61.232.54 IP addresses.