cdu-server.de - robtex.com
cdu-server.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=1774432274 | ||||||
Subdomains
mail.cdu-server.de |
Same first word
cdu-server.de |
Similar names
DNS History
7 records (6 active, 1 former)
●NSnsa0.schlundtech.de2015-06-21 → 2026-03-25 · 2 obs
● 2026-03-25 09:54:34
●NSnsb0.schlundtech.de2015-06-21 → 2026-03-25 · 2 obs
● 2026-03-25 09:54:34
●NSnsc0.schlundtech.de2015-06-21 → 2026-03-25 · 2 obs
● 2026-03-25 09:54:34
●NSnsd0.schlundtech.de2015-06-21 → 2026-03-25 · 2 obs
● 2026-03-25 09:54:34
●MXmail.cdu-server.de2015-06-21 → 2026-03-25 · 2 obs
● 2026-03-25 09:54:34
●A217.160.107.892016-04-11 → 2026-03-25 · 3 obs
● 2016-04-11 02:43:32
● 2026-03-25 09:54:34
○A87.106.242.2532015-06-21 → 2016-01-24 · 4 obs
● 2016-01-24 19:26:52
○ 2016-04-11 02:43:32
○ 2026-03-25 09:54:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | z.nic.de, a.nic.de, f.nic.de | - |
| cdu-server.de | nsa0.schlundtech.de, nsb0.schlundtech.de, nsc0.schlundtech.de, nsd0.schlundtech.de | - |
✅ Authoritative Response
Server:217.160.81.227
NS records: nsa0.schlundtech.de, nsb0.schlundtech.de, nsc0.schlundtech.de, nsd0.schlundtech.de
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
Validation error at de: Error: DNS query timeout: 194.246.96.1 for DNSKEY de
⏱️ Timing
Total: 3857ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 217.160.107.89 |
| NS | 4 | nsd0.schlundtech.de, nsb0.schlundtech.de... |
| MX | 1 | mail.cdu-server.de (pri: 10) |
| SOA | 1 | nsa0.schlundtech.de info.go-do.de |
Analysis
Hierarchy
cdu-server.de is a parent of mail.cdu-server.de.
IP Addresses
cdu-server.de points to a single IP number: 217.160.107.89.
Other host names, for instance mail.kundentestserver.de, friga.de, mail.cdu-server.de, kundentestserver.de and www.friga.de share IP numbers with cdu-server.de.
Name Servers
cdu-server.de is delegated to four name servers: nsa0.schlundtech.de, nsb0.schlundtech.de, nsc0.schlundtech.de and nsd0.schlundtech.de.
cdu-server.de at least partially shares name servers with other domains, for instance fabian-blechschmidt.de, ukdw.de, pixem.de, flyfirebird.de and puzzlegram-game.com.
Host names with two IP numbers:
nsa0.schlundtech.de points to: 2607:f1c0:fe:53:185:132:34:227 and 185.132.34.227.
nsb0.schlundtech.de points to: 2607:f1c0:fe:53:185:132:35:227 and 185.132.35.227.
nsc0.schlundtech.de points to: 2001:8d8:fe:53:217:160:80:227 and 217.160.80.227.
nsd0.schlundtech.de points to: 2001:8d8:fe:53:217:160:81:227 and 217.160.81.227.
Mail Servers
cdu-server.de is handled by a single mail server, mail.cdu-server.de.
mail.cdu-server.de points to a single IP: 217.160.107.89.