cortexa.org - dns.ninja
cortexa.org
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1781703723 | ||||||
Subdomains
mx.cortexa.org |
Same first word
Similar names
DNS History
8 records (6 active, 2 former)
●NSdns.technorail.com2015-06-13 → 2026-06-17 · 2 obs
● 2026-06-17 14:01:28
●NSdns2.technorail.com2015-06-13 → 2026-06-17 · 2 obs
● 2026-06-17 14:01:28
●NSdns3.arubadns.net2020-03-06 → 2026-06-17 · 3 obs
● 2020-03-06 14:19:02
● 2026-06-17 14:01:28
●NSdns4.arubadns.cz2020-03-06 → 2026-06-17 · 3 obs
● 2020-03-06 14:19:02
● 2026-06-17 14:01:28
●MXmx.cortexa.org2015-06-13 → 2026-06-17 · 2 obs
● 2026-06-17 14:01:28
○A212.237.44.1562020-03-06 → 2020-03-06 · 4 obs
● 2020-03-06 14:19:02
○ 2026-04-09 11:56:32
○ 2026-06-17 14:01:28
○A62.149.194.2262015-06-13 → 2017-03-19 · 4 obs
● 2017-03-19 22:56:48
○ 2020-03-06 14:19:02
○ 2026-06-17 14:01:28
●A94.177.202.2402026-04-09 → 2026-06-17 · 3 obs
● 2026-04-09 11:56:32
● 2026-06-17 14:01:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| cortexa.org | dns.technorail.com, dns2.technorail.com, dns3.arubadns.net, dns4.arubadns.cz | - |
✅ Authoritative Response
Server:94.177.210.13
NS records: dns.technorail.com, dns2.technorail.com, dns3.arubadns.net, dns4.arubadns.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cortexa.org (unsigned zone)
⏱️ Timing
Total: 868ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 94.177.202.240 |
| NS | 4 | dns4.arubadns.cz, dns3.arubadns.net... |
| MX | 1 | mx.cortexa.org (pri: 10) |
| SOA | 1 | dns.technorail.com hostmaster.cortexa.or |
Analysis
Hierarchy
The domain mx.cortexa.org falls under the parent cortexa.org.
IP Addresses
cortexa.org resolves to one IP address: 94.177.202.240.
consorziocortexa.com is an example of another host name that shares IP numbers with cortexa.org.
Name Servers
The authoritative name servers for cortexa.org are dns2.technorail.com, dns.technorail.com, dns4.arubadns.cz and dns3.arubadns.net.
At least some of cortexa.org's name servers are shared with other domains, for example iblbanca.eu, educocamp.com, flexalissone.com and two more.
Four hostnames, each resolving to a pair of IP addresses: dns2.technorail.com directs to 95.110.136.8 and 2a00:6d42:3:2096::f:1; dns.technorail.com directs to 94.177.210.13 and 2a00:6d40:2:2082::f:1; dns4.arubadns.cz directs to 81.2.216.238 and 2001:15e8:104:4::d8ee; dns3.arubadns.net directs to 95.110.220.5 and 2a00:6d41:3:206e::f:1.
Mail Servers
Mail for cortexa.org is handled by a single mail server, mx.cortexa.org.
mx.cortexa.org points to one IP number — 62.149.194.226.