cortexlab.fr - dns.ninja
cortexlab.fr
fr
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.nic.fr ⭐ | ||||||
| NS | d.nic.fr | ||||||
| NS | f.ext.nic.fr | ||||||
| NS | g.ext.nic.fr | ||||||
| TXT | 316 RRs processed [06/08/2026 14H50:51] | ||||||
| SOA | a.nic.frdnsmaster@afnic.fr serial=2246114413 | ||||||
Same first word
Similar names
DNS History
12 records (7 active, 5 former)
○NSa.ns.mailclub.fr2015-06-12 → 2018-05-30 · 4 obs
● 2018-05-30 09:36:22
○ 2026-04-01 00:17:44
○ 2026-08-06 15:21:14
○NSb.ns.mailclub.eu2015-06-12 → 2018-05-30 · 4 obs
● 2018-05-30 09:36:22
○ 2026-04-01 00:17:44
○ 2026-08-06 15:21:14
○NSc.ns.mailclub.com2015-06-12 → 2018-05-30 · 4 obs
● 2018-05-30 09:36:22
○ 2026-04-01 00:17:44
○ 2026-08-06 15:21:14
○NSmaster.ns.mailclub.fr2015-06-12 → 2018-05-30 · 4 obs
● 2018-05-30 09:36:22
○ 2026-04-01 00:17:44
○ 2026-08-06 15:21:14
●NSns1.safebrands.fr2026-04-01 → 2026-08-06 · 3 obs
● 2026-04-01 00:17:44
● 2026-08-06 15:21:14
●NSns2.safebrands.eu2026-04-01 → 2026-08-06 · 3 obs
● 2026-04-01 00:17:44
● 2026-08-06 15:21:14
●NSns3.safebrands.com2026-04-01 → 2026-08-06 · 3 obs
● 2026-04-01 00:17:44
● 2026-08-06 15:21:14
●NSns4.safebrands.org2026-04-01 → 2026-08-06 · 3 obs
● 2026-04-01 00:17:44
● 2026-08-06 15:21:14
●NSns5.safebrands.tech2026-04-01 → 2026-08-06 · 3 obs
● 2026-04-01 00:17:44
● 2026-08-06 15:21:14
●MXmail2-smtp-roc.national.inria.fr2015-06-12 → 2026-08-06 · 2 obs
● 2026-08-06 15:21:14
●MXmail3-smtp-sop.national.inria.fr2015-06-12 → 2026-08-06 · 2 obs
● 2026-08-06 15:21:14
○A195.64.164.872015-06-12 → 2018-05-30 · 4 obs
● 2018-05-30 09:36:22
○ 2026-04-01 00:17:44
○ 2026-08-06 15:21:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| fr | d.nic.fr, f.ext.nic.fr, g.ext.nic.fr | - |
| cortexlab.fr | ns4.safebrands.org, ns5.safebrands.tech, ns2.safebrands.eu, ns3.safebrands.com... | 2 records |
✅ Authoritative Response
Server:193.227.117.20
NS records: ns4.safebrands.org, ns5.safebrands.tech, ns2.safebrands.eu, ns3.safebrands.com, ns1.safebrands.fr
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cortexlab.fr (unsigned zone)
⏱️ Timing
Total: 860ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 5 | ns1.safebrands.fr, ns4.safebrands.org... |
| MX | 2 | mail2-smtp-roc.national.inria.fr (pri: 1, mail3-smtp-sop.national.inria.fr (pri: 1 |
| TXT | 3 | google-site-verification=uzYlII-_mBu0EOA, v=spf1 ip4:134.214.146.7 ip4:134.214.146... |
| SOA | 1 | ns1.safebrands.fr tech.brandshelter.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.safebrands.fr, ns1.safebrands.fr)
Analysis
Name Servers
The authoritative name servers for cortexlab.fr are ns3.safebrands.com, ns2.safebrands.eu, ns1.safebrands.fr and two others.
cortexlab.fr has at least partial name server overlap with other domains, such as prems.eu, orlane.org, devoteam-new-bic.com and two others.
It is common to find these name servers paired with the name servers ns4.safebrands.org, ns5.safebrands.tech, dns.fdjeux.net and dns2.fdjeux.net.
Hosts with two IP numbers each:
The A records for ns3.safebrands.com return 194.0.182.19 and 2a04:2b00:14ee::19.
The A records for ns2.safebrands.eu return 194.50.187.18 and 2a04:2b00:14dd::18.
The A records for ns1.safebrands.fr return 193.227.117.17 and 2a04:2b00:14cc::17.
The A records for ns4.safebrands.org return 193.227.117.20 and 2a04:2b00:14cc::20.
The A records for ns5.safebrands.tech return 194.50.187.21 and 2a04:2b00:14dd::21.
Mail Servers
The MX records for cortexlab.fr point to two mail servers: mail2-smtp-roc.national.inria.fr and mail3-smtp-sop.national.inria.fr.
cortexlab.fr has the same mail server arrangement as a number of other domains, for example grid5000.fr, irisa.fr, gforge.inria.fr and two more.
The mail servers of cortexlab.fr are at least partially shared with other domains, including msr-inria.inria.fr.
These mail servers tend to be used in combination with the mail servers mail1-smtp-roc.national.inria.fr and mail4-smtp-sop.national.inria.fr.
mail2-smtp-roc.national.inria.fr directs to 192.134.164.81 and mail3-smtp-sop.national.inria.fr directs to 192.134.164.98; each host name points to exactly one IP number.