proxy4.netcologne-schulsupport.de - robtex.com
proxy4.netcologne-schulsupport.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 89.1.69.70🇩🇪 NETCOLOGNE89.0.0.0/15 NetCologne PA space | ||||||
| PTR | mx02.haubnerdc.com | ||||||
netcologne-schulsupport.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 89.1.69.70🇩🇪 NETCOLOGNE89.0.0.0/15 NetCologne PA space | ||||||
| NS | dns11.netcologne.de ⭐ | ||||||
| NS | dns12.netcologne.de | ||||||
| NS | dns13.netcologne.de | ||||||
| NS | dns14.netcologne.de | ||||||
| TXT | v=spf1 mx include:schulen-koeln.de ~all | ||||||
| SOA | dns11.netcologne.dehostmaster@netcologne.de 2026-04-02 #2 | ||||||
Same first word
Similar names
DNS History
1 record (1 active, 0 former)
●A89.1.69.702026-02-24 → 2026-05-01 · 2 obs
● 2026-02-24 02:35:24
● 2026-05-01 22:59:48
● 2026-05-01 22:59:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| netcologne-schulsupport.de | dns11.netcologne.de, dns12.netcologne.de, dns13.netcologne.de, dns14.netcologne.de | - |
✅ Authoritative Response
Server:217.146.22.194
NS records: dns11.netcologne.de, dns12.netcologne.de, dns13.netcologne.de, dns14.netcologne.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for netcologne-schulsupport.de (unsigned zone)
⏱️ Timing
Total: 947ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 89.1.69.70 |
Analysis
IP Addresses
proxy4.netcologne-schulsupport.de maps to IP address 89.1.69.70.
Other host names, for instance edu-sharing.netcologne-schulsupport.de, proxy3.netcologne-schulsupport.de, proxy0.netcologne-schulsupport.de, proxy7.netcologne-schulsupport.de and mx02.haubnerdc.com share IP numbers with proxy4.netcologne-schulsupport.de.