cortex.nl - dns.ninja
cortex.nl
nl
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns1.dns.nl ⭐ | ||||||
| NS | ns3.dns.nl | ||||||
| NS | ns4.dns.nl | ||||||
| TXT | nl zone update: 2026-06-29 02:30:01 +0000 (EPOCH 1782700201) | ||||||
| SOA | ns1.dns.nldns@sidn.nl 2026-06-29 #5 | ||||||
Same first word
Similar names
DNS History
10 records (5 active, 5 former)
●NSauth01-peer.ib.routit.net2026-03-27 → 2026-06-29 · 3 obs
● 2026-03-27 19:30:28
● 2026-06-29 03:06:00
●NSauth02-peer.ib.routit.net2026-03-27 → 2026-06-29 · 3 obs
● 2026-03-27 19:30:28
● 2026-06-29 03:06:00
○NSns01.is.nl2015-07-25 → 2016-07-12 · 4 obs
● 2016-07-12 13:23:40
○ 2026-03-27 19:30:28
○ 2026-06-29 03:06:00
○NSns02.is.nl2015-07-25 → 2016-07-12 · 4 obs
● 2016-07-12 13:23:40
○ 2026-03-27 19:30:28
○ 2026-06-29 03:06:00
○NSns03.is.nl2015-07-25 → 2016-07-12 · 4 obs
● 2016-07-12 13:23:40
○ 2026-03-27 19:30:28
○ 2026-06-29 03:06:00
●MXcortex-nl.mail.protection.outlook.com2015-07-25 → 2026-06-29 · 2 obs
● 2026-06-29 03:06:00
○A178.22.58.1352015-12-01 → 2016-07-12 · 5 obs
● 2015-12-01 23:37:28
● 2016-07-12 13:23:40
○ 2026-03-27 19:30:28
○ 2026-06-29 03:06:00
○A213.133.34.522015-07-25 → 2015-07-25 · 3 obs
○ 2015-12-01 23:37:28
○ 2026-06-29 03:06:00
●A2a03:9700:8000::7:792026-03-27 → 2026-06-29 · 3 obs
● 2026-03-27 19:30:28
● 2026-06-29 03:06:00
●A31.7.7.792026-03-27 → 2026-06-29 · 3 obs
● 2026-03-27 19:30:28
● 2026-06-29 03:06:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| nl | ns1.dns.nl, ns3.dns.nl, ns4.dns.nl | - |
| cortex.nl | auth01-peer.ib.routit.net, auth02-peer.ib.routit.net | - |
✅ Authoritative Response
Server:213.144.232.181
NS records: auth01-peer.ib.routit.net, auth02-peer.ib.routit.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cortex.nl (unsigned zone)
⏱️ Timing
Total: 914ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 31.7.7.79 |
| AAAA | 1 | 2a03:9700:8000::7:79 |
| NS | 2 | auth01-peer.ib.routit.net, auth02-peer.ib.routit.net |
| MX | 1 | cortex-nl.mail.protection.outlook.com (p |
| TXT | 1 | v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | auth01-peer.ib.routit.net noc.routit.nl |
Analysis
IP Addresses
cortex.nl points to the IP addresses 31.7.7.79 and 2a03:9700:8000::7:79
zonneparkdorst.nl, silverarrows.nl, saensinstallatiebedrijfkiss.nl plus two other host names have IP numbers in common with cortex.nl.
Name Servers
The NS records for cortex.nl delegate to auth01-peer.ib.routit.net and auth02-peer.ib.routit.net.
The name server configuration of cortex.nl is shared with other domains, for instance normsystems.eu, railcontainer.nl, vlasblommeubel.nl and two others.
There is at least partial name server overlap between cortex.nl and other domains — nxtoffice.nl, burobakker.nl, investeringen.nl and two more among them.
These name servers frequently co-occur with the name servers auth01.ib.routit.net and auth02.ib.routit.net.
auth01-peer.ib.routit.net resolves to 213.144.232.181 and 2a02:22a0::a1. Likewise, auth02-peer.ib.routit.net resolves to 213.144.232.182 and 2a02:22a0:ffff:ffff::a1 — two IP addresses apiece.
Mail Servers
cortex.nl uses one mail server — cortex-nl.mail.protection.outlook.com.
cortex-nl.mail.protection.outlook.com has 8 IP addresses: 52.101.68.21, 52.101.68.25, 52.101.68.36 plus 5 more.