cortex.lu - dns.ninja
cortex.lu
| DNSSEC | ⚠️ Not signed | ||||||
| A | 213.186.33.5🇫🇷 OVH213.186.32.0/19 ISP Paris, France | ||||||
| PTR | redirect.ovh.net | ||||||
| NS | dns11.ovh.net ⭐ | ||||||
| A | 2001:41d0:d00:f000::2🇫🇷 OVH2001:41d0::/32 IPv6 | ||||||
| PTR | dns11.ovh.net | ||||||
| A | 5.135.86.61🇫🇷 OVH5.135.0.0/16 | ||||||
| PTR | dns11.ovh.net | ||||||
| NS | ns11.ovh.net | ||||||
| A | 2001:41d0:b00:d000::2🇫🇷 OVH2001:41d0::/32 IPv6 | ||||||
| PTR | ns11.ovh.net | ||||||
| A | 5.39.27.169🇫🇷 OVH5.39.0.0/17 ISP Paris, France | ||||||
| PTR | ns11.ovh.net | ||||||
| MX | mail.cortex.lu ⭐ | ||||||
| TXT | v=spf1 a:mail.cortex.lu ip4:95.216.86.177 -all | ||||||
| TXT | 1|www.cortex.lu | ||||||
| SOA | dns11.ovh.nettech@ovh.net 2025-12-05 #0 | ||||||
lu
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns1.dns.lu ⭐ | ||||||
| NS | g.dns.lu | ||||||
| NS | i.dns.lu | ||||||
| NS | j.dns.lu | ||||||
| NS | k.dns.lu | ||||||
| NS | p.dns.lu | ||||||
| TXT | Exported: 2026-06-12 23:01:01 | ||||||
| SOA | ns1.dns.lunoc@restena.lu serial=1781298072 | ||||||
Same first word
Similar names
DNS History
8 records (4 active, 4 former)
○NSdns101.ovh.net2015-07-17 → 2016-04-22 · 4 obs
● 2016-04-22 19:35:30
○ 2016-05-25 16:48:54
○ 2026-06-12 21:27:14
●NSdns11.ovh.net2026-02-23 → 2026-06-12 · 3 obs
● 2026-02-23 11:47:54
● 2026-06-12 21:27:14
○NSns101.ovh.net2015-07-17 → 2016-04-22 · 4 obs
● 2016-04-22 19:35:30
○ 2016-05-25 16:48:54
○ 2026-06-12 21:27:14
●NSns11.ovh.net2026-02-23 → 2026-06-12 · 3 obs
● 2026-02-23 11:47:54
● 2026-06-12 21:27:14
●MXmail.cortex.lu2026-02-23 → 2026-06-12 · 3 obs
● 2026-02-23 11:47:54
● 2026-06-12 21:27:14
○MXredirect.ovh.net2015-07-17 → 2016-04-22 · 4 obs
● 2016-04-22 19:35:30
○ 2016-05-25 16:48:54
○ 2026-06-12 21:27:14
○A173.203.204.1232015-07-17 → 2016-04-22 · 4 obs
● 2016-04-22 19:35:30
○ 2016-05-25 16:48:54
○ 2026-06-12 21:27:14
●A213.186.33.52026-02-23 → 2026-06-12 · 3 obs
● 2026-02-23 11:47:54
● 2026-06-12 21:27:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| lu | g.dns.lu, i.dns.lu, j.dns.lu, k.dns.lu... | - |
| cortex.lu | ns11.ovh.net, dns11.ovh.net | - |
✅ Authoritative Response
Server:5.39.27.169
NS records: ns11.ovh.net, dns11.ovh.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cortex.lu (unsigned zone)
⏱️ Timing
Total: 1280ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 213.186.33.5 |
| NS | 2 | dns11.ovh.net, ns11.ovh.net |
| MX | 1 | mail.cortex.lu (pri: 1) |
| TXT | 2 | 1|www.cortex.lu, v=spf1 a:mail.cortex.lu ip4:95.216.86.17 |
| SOA | 1 | dns11.ovh.net tech.ovh.net |
Analysis
IP Addresses
cortex.lu resolves to just one IP address, 213.186.33.5.
Two other host names, along with atelier-du-miel.com, artsport.fr and brulfert.fr, also share IP numbers with cortex.lu.
Name Servers
cortex.lu uses two name servers for its delegation: dns11.ovh.net and ns11.ovh.net.
cortex.lu shares its NS records with other domains, for example musca.fr, soligas.eu, half-life.fr and two others.
cortex.lu partially shares its name servers with domains like tuniplay.tn and tebas.net.
The two host names dns11.ovh.net and ns11.ovh.net each have a pair of IP addresses: dns11.ovh.net has 5.135.86.61 and 2001:41d0:d00:f000::2, and ns11.ovh.net has 5.39.27.169 and 2001:41d0:b00:d000::2.