cu-systems.de - robtex.com
cu-systems.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=1771291602 | ||||||
DNS History
6 records (6 active, 0 former)
●NSburt.ns.cloudflare.com2026-02-24 → 2026-02-24 · 2 obs
● 2026-02-24 00:13:34
●NSzainab.ns.cloudflare.com2026-02-24 → 2026-02-24 · 2 obs
● 2026-02-24 00:13:34
●MXmail.cu-systems.de2026-02-24 → 2026-02-24 · 2 obs
● 2026-02-24 00:13:34
●MXmx2f3b.netcup.net2026-02-24 → 2026-02-24 · 2 obs
● 2026-02-24 00:13:34
●A188.68.47.572026-02-24 → 2026-02-24 · 2 obs
● 2026-02-24 00:13:34
●A2a03:4000:61:5434::18:88352026-02-24 → 2026-02-24 · 2 obs
● 2026-02-24 00:13:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cu-systems.de | zainab.ns.cloudflare.com, burt.ns.cloudflare.com | - |
✅ Authoritative Response
Server: 108.162.193.79
NS records: zainab.ns.cloudflare.com, burt.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cu-systems.de (unsigned zone)
⏱️ Timing
Total: 82ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 188.68.47.57 |
| AAAA | 1 | 2a03:4000:61:5434::18:8835 |
| NS | 2 | burt.ns.cloudflare.com, zainab.ns.cloudflare.com |
| MX | 2 | mail.cu-systems.de (pri: 10), mx2f3b.netcup.net (pri: 50) |
| TXT | 1 | v=spf1 mx a include:_spf.webhosting.syst |
| SOA | 1 | burt.ns.cloudflare.com dns.cloudflare.co |
AI analysis
cu-systems.de resolves to two IP numbers: 2a03:4000:61:5434::18:8835 and 188.68.47.57.
other host names including dreskoch.net, schloemer-offenbach.de, zahnspange-offenbach.com, smtp.celebratio.de and luene-info.de share IP numbers with cu-systems.de.
cu-systems.de is delegated to two name servers burt.ns.cloudflare.com and zainab.ns.cloudflare.com.
cu-systems.de shares the same name server setup as other domains, for instance newrewardzone.com, delget.com, squeakycleaningllc.com, offerteautousate.com and micka.me.
cu-systems.de at least partially shares name servers with other domains, for instance efficiencyunited.com, mexicanpharminter.com, porelfutbol.com, oxodirectory.com and erman.me.
Host names with six IP numbers:
Host name burt.ns.cloudflare.com points to: 2606:4700:58::adf5:3b4f, 2803:f800:50::6ca2:c14f, 2a06:98c1:50::ac40:214f, 108.162.193.79, 172.64.33.79 and 173.245.59.79.
Host name zainab.ns.cloudflare.com points to: 2606:4700:50::a29f:2695, 2803:f800:50::6ca2:c295, 2a06:98c1:50::ac40:2295, 108.162.194.149, 162.159.38.149 and 172.64.34.149.
Two mail servers handle cu-systems.de: mail.cu-systems.de and mx2f3b.netcup.net.
cu-systems.de shares some mail servers with other domains, at least partially, for instance nikosik.de, plate-gt.de, eisenbahn-archiv.org, scirocco53b.de and semmler.me.
these mail servers are commonly used with the mail servers mail.tangomarathons.com.
Host names with a single IP:
mail.cu-systems.de points to 188.68.47.59.
mx2f3b.netcup.net points to 188.68.47.59.
Host names pointing to 188.68.47.59: mail.cu-systems.de and mx2f3b.netcup.net.