ns4.cortexns.io - robtex.com
ns4.cortexns.io
| DNSSEC | ⚠️ Not signed | ||||||
| A | 147.93.154.51🇧🇪 CONTABO-ASIA147.93.152.0/22 | ||||||
| PTR | vmi3060510.contaboserver.net | ||||||
cortexns.io
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns4.cortexns.io ⭐ | ||||||
| NS | ns1.cortexns.io | ||||||
| NS | ns2.cortexns.io | ||||||
| NS | ns3.cortexns.io | ||||||
| SOA | ns4.cortexns.iohostadmin@cortexns.io serial=68907 | ||||||
NS for
Same first word
Similar names
DNS History
1 record (1 active, 0 former)
●A147.93.154.512026-03-15 → 2026-08-09 · 3 obs
● 2026-03-15 03:18:38
○ 2026-08-09 05:49:00
● 2026-08-09 19:15:38
○ 2026-08-09 05:49:00
● 2026-08-09 19:15:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| io | a2.nic.io, c0.nic.io, a0.nic.io, b0.nic.io | - |
| cortexns.io | ns2.cortexns.io, ns1.cortexns.io, ns4.cortexns.io, ns3.cortexns.io | 4 records |
✅ Authoritative Response
Server:89.117.20.246
NS records: ns2.cortexns.io, ns1.cortexns.io, ns4.cortexns.io, ns3.cortexns.io
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cortexns.io (unsigned zone)
⏱️ Timing
Total: 377ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 147.93.154.51 |
📌 Glue Records Collected
Total: 4
In-bailiwick: 4 (ns1.cortexns.io, ns2.cortexns.io, ns3.cortexns.io...)
Analysis
Name Server Role
The NS records for cortexns.io and mailcircuit.com each include ns4.cortexns.io.
Together with ns4.cortexns.io, the hosts ns1.cortexns.io, ns2.cortexns.io and ns3.cortexns.io are frequently configured as name servers.
IP Addresses
ns4.cortexns.io directs to one IP number, which is 147.93.154.51.
vmi3060510.contaboserver.net, for instance, is one of the other host names sharing IP numbers with ns4.cortexns.io.