cu1723.de - robtex.com
cu1723.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=1774567517 | ||||||
MX for
cu1723.de |
Subdomains
s23.cu1723.de |
Same first word
cu1723.de |
DNS History
5 records (5 active, 0 former)
●MXcu1723.de2026-02-16 → 2026-03-26 · 2 obs
● 2026-03-26 23:44:06
●A85.13.167.152026-02-16 → 2026-03-26 · 2 obs
● 2026-03-26 23:44:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | z.nic.de, a.nic.de, f.nic.de | - |
| cu1723.de | ns.inwx.de, ns2.inwx.de, ns3.inwx.eu | - |
✅ Authoritative Response
Server:176.97.158.104
NS records: ns.inwx.de, ns2.inwx.de, ns3.inwx.eu
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cu1723.de (unsigned zone)
⏱️ Timing
Total: 1499ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 85.13.167.15 |
| NS | 3 | ns3.inwx.eu, ns2.inwx.de... |
| MX | 1 | cu1723.de (pri: 10) |
| TXT | 1 | v=spf1 +a +mx +a: -all |
| SOA | 1 | ns.inwx.de hostmaster.inwx.de |
Analysis
Hierarchy
cu1723.de is the parent of s23.cu1723.de.
Mail Server Role
cu1723.de is the mail server for cu1723.de.
IP Addresses
cu1723.de resolves to a single IP: 85.13.167.15.
Other host names, for instance blogging-zahnersatz.somsax.de, beta.www.somsax.de, w00d458b.kasserver.com, forum.somsax.de and zaubershop-frenchdrop.de share IP numbers with cu1723.de.
Name Servers
cu1723.de delegates to three name servers: ns2.inwx.de, ns.inwx.de and ns3.inwx.eu.
cu1723.de shares some name servers with other domains, for example intimber.de, endres-mail.de, ro14.sh, bootsraum.de and austrogaming.tk.
These name servers are commonly used together with ns3.inwx.de and ns4.inwx.com.
Host names with two IP numbers:
ns2.inwx.de: 2001:67c:10b8::104 and 176.97.158.104
ns.inwx.de: 2001:67c:1bc::104 and 192.174.68.104
ns3.inwx.eu: 2a02:d500::53 and 45.87.158.53
Mail Servers
One mail server handles cu1723.de.
Host name cu1723.de points to IP 85.13.167.15.