null.cooldns.de - robtex.com
null.cooldns.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 89.58.38.147🇩🇪 netcup-AS89.58.36.0/22 | ||||||
| PTR | cool-web.de | ||||||
cooldns.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 89.58.38.147🇩🇪 netcup-AS89.58.36.0/22 | ||||||
| NS | root-dns.netcup.net ⭐ | ||||||
| NS | second-dns.netcup.net | ||||||
| NS | third-dns.netcup.net | ||||||
| MX | mail.cooldns.de ⭐ | ||||||
| TXT | v=spf1 ip4:89.58.38.147 -all | ||||||
| SOA | root-dns.netcup.netdnsadmin@netcup.net serial=2026033201 | ||||||
Same first word
Similar names
DNS History
1 record (1 active, 0 former)
●A89.58.38.1472026-08-08 → 2026-08-16 · 2 obs
● 2026-08-08 14:47:20
● 2026-08-16 21:05:42
● 2026-08-16 21:05:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | f.nic.de, a.nic.de, z.nic.de | - |
| cooldns.de | root-dns.netcup.net, third-dns.netcup.net, second-dns.netcup.net | - |
✅ Authoritative Response
Server:37.221.199.199
NS records: root-dns.netcup.net, third-dns.netcup.net, second-dns.netcup.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cooldns.de (unsigned zone)
⏱️ Timing
Total: 1011ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 89.58.38.147 |
Analysis
IP Addresses
null.cooldns.de resolves to just one IP address, 89.58.38.147.
Two other host names, along with kryptosysteme.de, web-spiele.de and such-maschine.de, also share IP numbers with null.cooldns.de.