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 | 1.ns.lu ⭐ | ||||||
| NS | g.dns.lu | ||||||
| NS | i.dns.lu | ||||||
| NS | j.dns.lu | ||||||
| NS | k.dns.lu | ||||||
| NS | p.dns.lu | ||||||
| NS | r.ns.lu | ||||||
| TXT | Exported: 2026-07-28 15:01:01 | ||||||
| SOA | 1.ns.lunoc@restena.lu serial=1785243673 | ||||||
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
○ 2026-07-28 13:51:32
●NSdns11.ovh.net2026-02-23 → 2026-07-28 · 3 obs
● 2026-02-23 11:47:54
● 2026-07-28 13:51:32
○NSns101.ovh.net2015-07-17 → 2016-04-22 · 4 obs
● 2016-04-22 19:35:30
○ 2016-05-25 16:48:54
○ 2026-07-28 13:51:32
●NSns11.ovh.net2026-02-23 → 2026-07-28 · 3 obs
● 2026-02-23 11:47:54
● 2026-07-28 13:51:32
●MXmail.cortex.lu2026-02-23 → 2026-07-28 · 3 obs
● 2026-02-23 11:47:54
● 2026-07-28 13:51:32
○MXredirect.ovh.net2015-07-17 → 2016-04-22 · 4 obs
● 2016-04-22 19:35:30
○ 2016-05-25 16:48:54
○ 2026-07-28 13:51:32
○A173.203.204.1232015-07-17 → 2016-04-22 · 4 obs
● 2016-04-22 19:35:30
○ 2016-05-25 16:48:54
○ 2026-07-28 13:51:32
●A213.186.33.52026-02-23 → 2026-07-28 · 3 obs
● 2026-02-23 11:47:54
● 2026-07-28 13:51:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| lu | i.dns.lu, 1.ns.lu, g.dns.lu, r.ns.lu... | - |
| cortex.lu | ns11.ovh.net, dns11.ovh.net | - |
✅ Authoritative Response
Server:5.135.86.61
NS records: ns11.ovh.net, dns11.ovh.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cortex.lu (unsigned zone)
⏱️ Timing
Total: 1121ms | 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, lojagiellonczyk.pl 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.