cortex.net - dns.ninja
cortex.net
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=1781263143 | ||||||
Subdomains
Same first word
Similar names
DNS History
12 records (6 active, 6 former)
○NShosting.webnames.ca2015-08-17 → 2016-06-30 · 4 obs
● 2016-06-30 08:02:54
○ 2026-02-19 10:23:56
○ 2026-06-12 11:36:30
●NSns-1156.awsdns-16.org2026-02-19 → 2026-06-12 · 3 obs
● 2026-02-19 10:23:56
● 2026-06-12 11:36:30
●NSns-1592.awsdns-07.co.uk2026-02-19 → 2026-06-12 · 3 obs
● 2026-02-19 10:23:56
● 2026-06-12 11:36:30
●NSns-387.awsdns-48.com2026-02-19 → 2026-06-12 · 3 obs
● 2026-02-19 10:23:56
● 2026-06-12 11:36:30
●NSns-604.awsdns-11.net2026-02-19 → 2026-06-12 · 3 obs
● 2026-02-19 10:23:56
● 2026-06-12 11:36:30
○NSns1.webnames.ca2015-08-17 → 2016-06-30 · 4 obs
● 2016-06-30 08:02:54
○ 2026-02-19 10:23:56
○ 2026-06-12 11:36:30
○NSns2.webnames.ca2015-08-17 → 2016-06-30 · 4 obs
● 2016-06-30 08:02:54
○ 2026-02-19 10:23:56
○ 2026-06-12 11:36:30
○NSns3.webnames.ca2015-08-17 → 2016-06-30 · 4 obs
● 2016-06-30 08:02:54
○ 2026-02-19 10:23:56
○ 2026-06-12 11:36:30
●MXcortex-net.mail.protection.outlook.com2015-08-17 → 2026-06-12 · 2 obs
● 2026-06-12 11:36:30
○A181.224.147.1322016-01-18 → 2016-06-30 · 5 obs
● 2016-01-18 16:42:24
● 2016-06-30 08:02:54
○ 2026-02-19 10:23:56
○ 2026-06-12 11:36:30
○A192.186.235.1992015-08-17 → 2015-12-08 · 4 obs
● 2015-12-08 04:51:42
○ 2016-01-18 16:42:24
○ 2026-06-12 11:36:30
●A52.151.203.1612026-02-19 → 2026-06-12 · 3 obs
● 2026-02-19 10:23:56
● 2026-06-12 11:36:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| cortex.net | ns-604.awsdns-11.net, ns-387.awsdns-48.com, ns-1592.awsdns-07.co.uk, ns-1156.awsdns-16.org | 2 records |
✅ Authoritative Response
Server:205.251.196.132
NS records: ns-604.awsdns-11.net, ns-387.awsdns-48.com, ns-1592.awsdns-07.co.uk, ns-1156.awsdns-16.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cortex.net (unsigned zone)
⏱️ Timing
Total: 720ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 52.151.203.161 |
| NS | 4 | ns-1156.awsdns-16.org, ns-1592.awsdns-07.co.uk... |
| MX | 1 | cortex-net.mail.protection.outlook.com ( |
| TXT | 8 | 0ed1fe018ae9410b22d6f040ee8a15574e2e4e1e, 5l2qprj58ftpvcvbb3pnkt3w5szqqhlk... |
| SOA | 1 | ns-604.awsdns-11.net awsdns-hostmaster.a |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns-604.awsdns-11.net, ns-604.awsdns-11.net)
Analysis
Hierarchy
The domain cortex.net is a parent of portal.cortex.net, www.cortex.net, axon.cortex.net and mail.cortex.net.
IP Addresses
cortex.net has exactly one IP address — 52.151.203.161.
www.energyacuity.com, oildex.com, mineralsoft.com plus two other host names have IP numbers in common with cortex.net.
Name Servers
cortex.net is delegated to four name servers, ns-387.awsdns-48.com, ns-604.awsdns-11.net, ns-1156.awsdns-16.org and ns-1592.awsdns-07.co.uk.
At least some of cortex.net's name servers are shared with other domains, for example tularepubliclibrary.org, derrick.biz, thedevelopersales.com and two more.
Four hostnames, each resolving to a pair of IP addresses: ns-387.awsdns-48.com directs to 205.251.193.131 and 2600:9000:5301:8300::1; ns-604.awsdns-11.net directs to 205.251.194.92 and 2600:9000:5302:5c00::1; ns-1156.awsdns-16.org directs to 205.251.196.132 and 2600:9000:5304:8400::1; ns-1592.awsdns-07.co.uk directs to 205.251.198.56 and 2600:9000:5306:3800::1.
Mail Servers
cortex.net uses one mail server — cortex-net.mail.protection.outlook.com.
cortex-net.mail.protection.outlook.com has 8 IP addresses: 52.101.9.17, 52.101.9.24, 52.101.10.1 plus 5 more.