cu-mail.net - robtex.com
cu-mail.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 80.190.216.90🇩🇪 IPX-AS1559880.190.216.0/21 NorthC Deutschland GmbH | ||||||
| PTR | tuxsrv03.betriebe.net | ||||||
| NS | ns1.betriebe.net ⭐ | ||||||
| A | 87.238.196.17🇩🇪 EVANZOAS87.238.192.0/21 DE-EVANZO-MK | ||||||
| NS | ns2.betriebe.net | ||||||
| A | 178.254.5.17🇩🇪 EVANZOAS178.254.0.0/19 DE-EVANZO-MK | ||||||
| NS | ns3.prooffice.net | ||||||
| A | 178.254.63.17🇩🇪 OMC-AS178.254.63.0/24 | ||||||
| MX | mail.cu-mail.net ⭐ | ||||||
| A | 85.214.168.112🇩🇪 STRATO85.214.0.0/15 AG | ||||||
| PTR | mail.betriebe.net | ||||||
| SOA | ns1.betriebe.nethostmaster@betriebe.net 2025-11-19 #1 | ||||||
net
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1775159512 | ||||||
Subdomains
Same first word
cu-mail.net |
Similar names
DNS History
5 records (5 active, 0 former)
●NSns1.betriebe.net2015-08-17 → 2026-04-02 · 2 obs
● 2026-04-02 19:53:12
●NSns2.betriebe.net2015-08-17 → 2026-04-02 · 2 obs
● 2026-04-02 19:53:12
●NSns3.prooffice.net2015-08-17 → 2026-04-02 · 2 obs
● 2026-04-02 19:53:12
●MXmail.cu-mail.net2015-08-17 → 2026-04-02 · 2 obs
● 2026-04-02 19:53:12
●A80.190.216.902015-08-17 → 2026-04-02 · 2 obs
● 2026-04-02 19:53:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| cu-mail.net | ns3.prooffice.net, ns1.betriebe.net, ns2.betriebe.net | 3 records |
✅ Authoritative Response
Server:178.254.63.17
NS records: ns3.prooffice.net, ns1.betriebe.net, ns2.betriebe.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cu-mail.net (unsigned zone)
⏱️ Timing
Total: 230ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 80.190.216.90 |
| NS | 3 | ns2.betriebe.net, ns3.prooffice.net... |
| MX | 1 | mail.cu-mail.net (pri: 5) |
| SOA | 1 | ns1.betriebe.net hostmaster.betriebe.net |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns3.prooffice.net, ns1.betriebe.net, ns2.betriebe.net)
Analysis
Hierarchy
cu-mail.net is a parent of www.cu-mail.net and mail.cu-mail.net.
IP Addresses
cu-mail.net points to a single IP number: 80.190.216.90.
Other host names, for instance www.cu-mail.net, share IP numbers with cu-mail.net.
Name Servers
The domain cu-mail.net is delegated to three name servers: ns1.betriebe.net, ns2.betriebe.net and ns3.prooffice.net.
cu-mail.net shares name servers with other domains at least partially, for instance martinpfahler.de, erbrechtsberater-berlin.de, elfzwei.com, clic.in and arbeitsrechtsberater-berlin.de.
Host names with a single IP number:
ns1.betriebe.net points to 87.238.196.17.
ns2.betriebe.net points to 178.254.5.17.
ns3.prooffice.net points to 178.254.63.17.
Mail Servers
The mail server for cu-mail.net is mail.cu-mail.net.
Host name mail.cu-mail.net resolves to IP 85.214.168.112.