cortex.be - dns.ninja
cortex.be
| DNSSEC | ⚠️ Not signed | ||||||
| A | 80.169.63.221🇧🇪 COLT80.169.0.0/16 | ||||||
| NS | ns3.cegeka.be ⭐ | ||||||
| A | 212.113.64.9🇧🇪 CEGEKA-HASSELT212.113.64.0/20 Cegeka BE | ||||||
| PTR | ns3.cegeka.be | ||||||
| NS | ns4.cegeka.be | ||||||
| A | 193.58.13.130🇳🇱 CEGEKA-GELEEN193.58.12.0/22 Cegeka NL | ||||||
| PTR | ns4.cegeka.be | ||||||
| NS | ns5.cegeka.be | ||||||
| A | 15.188.41.245🇫🇷 Amazon15.188.0.0/16 EC2 CDG prefix | ||||||
| PTR | ec2-15-188-41-245.eu-west-3.compute.amazonaws.com | ||||||
| MX | smtp11-in.cegeka.be ⭐ | ||||||
| A | 212.113.81.161🇧🇪 CEGEKA-HASSELT212.113.80.0/20 Cegeka BE | ||||||
| PTR | smtp11-in.cegeka.be | ||||||
| MX | smtp12-in.cegeka.be(20) | ||||||
| A | 193.58.13.131🇳🇱 CEGEKA-GELEEN193.58.12.0/22 Cegeka NL | ||||||
| PTR | smtp12-in.cegeka.be | ||||||
| SOA | ns3.cegeka.behostmaster@cegeka.be 2026-06-11 #1 | ||||||
be
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.nsset.be ⭐ | ||||||
| NS | b.nsset.be | ||||||
| NS | c.nsset.be | ||||||
| NS | d.nsset.be | ||||||
| NS | y.nsset.be | ||||||
| NS | z.nsset.be | ||||||
| SOA | a.nsset.bebe-hostmaster@dnsbelgium.be serial=1028249410 | ||||||
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●MXsmtp11-in.cegeka.be2015-06-11 → 2026-06-14 · 2 obs
● 2026-06-14 05:59:34
●MXsmtp12-in.cegeka.be2015-06-11 → 2026-06-14 · 2 obs
● 2026-06-14 05:59:34
●A80.169.63.2212015-06-11 → 2026-06-14 · 2 obs
● 2026-06-14 05:59:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| be | a.nsset.be, b.nsset.be, c.nsset.be, d.nsset.be... | - |
| cortex.be | ns5.cegeka.be, ns4.cegeka.be, ns3.cegeka.be | 3 records |
✅ Authoritative Response
Server:15.188.41.245
NS records: ns5.cegeka.be, ns4.cegeka.be, ns3.cegeka.be
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cortex.be (unsigned zone)
⏱️ Timing
Total: 631ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 80.169.63.221 |
| NS | 3 | ns5.cegeka.be, ns3.cegeka.be... |
| MX | 2 | smtp11-in.cegeka.be (pri: 10), smtp12-in.cegeka.be (pri: 20) |
| SOA | 1 | ns3.cegeka.be hostmaster.cegeka.be |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns5.cegeka.be, ns4.cegeka.be, ns3.cegeka.be)
Analysis
IP Addresses
cortex.be resolves to one IP address: 80.169.63.221.
xls-medical.eu, netlag.be, firststop.me and two other host names share IP numbers with cortex.be.
Name Servers
cortex.be has three name servers — ns3.cegeka.be, ns4.cegeka.be and ns5.cegeka.be.
cortex.be partially shares its NS delegation with several other domains, including 65.113.212.in-addr.arpa, cegeka.fr, brainforce.de and two others.
These name servers regularly co-occur with the name servers ns1.cegeka.be, ns2.cegeka.be and dnsmaster.cegeka.be.
Each of the three hostnames points to exactly one IP address: ns3.cegeka.be points to 212.113.64.9, ns4.cegeka.be points to 193.58.13.130 and ns5.cegeka.be points to 15.188.41.245.
Mail Servers
Mail for cortex.be is handled by two mail servers — smtp11-in.cegeka.be and smtp12-in.cegeka.be.
cortex.be uses an identical mail server configuration to several other domains — among them beerandhealthinformationcenter.com, immo-elsinore.be, pamas.dk and two more.
cortex.be partially shares its mail servers with other domains, terumo-ps.com and terumops.com being examples.
smtp11-in.cegeka.be resolves to 212.113.81.161. smtp12-in.cegeka.be resolves to 193.58.13.131. Both host names point to a single IP number.