cross-knowledge.fr - dns.ninja
cross-knowledge.fr
| DNSSEC | ⚠️ Not signed | ||||||
| A | 84.14.252.245🇫🇷 COLT84.14.0.0/16 FR-COLT-INTERNET-84-14 | ||||||
| PTR | 245.252-14-84.ripe.coltfrance.com | ||||||
| NS | ns0.coltfrance.com ⭐ | ||||||
| A | 84.14.241.56🇫🇷 COLT84.14.0.0/16 FR-COLT-INTERNET-84-14 | ||||||
| PTR | ns0.coltfrance.com | ||||||
| NS | ns1.coltfrance.com | ||||||
| A | 212.74.78.59🇩🇪 COLT212.74.78.0/24 Internal 5 | ||||||
| PTR | ns1.coltfrance.com | ||||||
| MX | mail.crossknowledge.com ⭐ | ||||||
| SOA | ns0.coltfrance.comhostmaster@coltfrance.com 2008-10-09 #0 | ||||||
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 | 206 RRs processed [21/07/2026 20H10:50] | ||||||
| SOA | a.nic.frdnsmaster@afnic.fr serial=2245818000 | ||||||
Same first word
cross-knowledge.fr |
DNS History
4 records (4 active, 0 former)
●NSns0.coltfrance.com2015-07-17 → 2026-07-21 · 2 obs
● 2026-07-21 20:40:06
●NSns1.coltfrance.com2015-07-17 → 2026-07-21 · 2 obs
● 2026-07-21 20:40:06
●MXmail.crossknowledge.com2015-07-17 → 2026-07-21 · 2 obs
● 2026-07-21 20:40:06
●A84.14.252.2452015-07-17 → 2026-07-21 · 2 obs
● 2026-07-21 20:40:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| fr | d.nic.fr, f.ext.nic.fr, g.ext.nic.fr | - |
| cross-knowledge.fr | ns1.coltfrance.com, ns0.coltfrance.com | - |
✅ Authoritative Response
Server:212.74.78.59
NS records: ns1.coltfrance.com, ns0.coltfrance.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cross-knowledge.fr (unsigned zone)
⏱️ Timing
Total: 976ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 84.14.252.245 |
| NS | 2 | ns1.coltfrance.com, ns0.coltfrance.com |
| MX | 2 | mail.crossknowledge.com (pri: 50), mail.crossknowledge.com (pri: 10) |
| SOA | 1 | ns0.coltfrance.com hostmaster.coltfrance |
Analysis
IP Addresses
cross-knowledge.fr resolves to one IP address: 84.14.252.245.
245.252-14-84.ripe.coltfrance.com, for instance, is one of the other host names sharing IP numbers with cross-knowledge.fr.
Name Servers
cross-knowledge.fr uses two name servers for its delegation: ns0.coltfrance.com and ns1.coltfrance.com.
cross-knowledge.fr uses the same name servers as several other domains — among them uggc.net, sagardeurope.com, assurdiscount.fr and two more.
cross-knowledge.fr has at least partial name server overlap with other domains, such as groupetf1.fr, lmr.aphp.fr, bch.aphp.fr and two others.
It is common to find these name servers alongside the name servers nsb.perf1.com, nsc.perf1.com, nsa.perf1.fr and two others.
ns0.coltfrance.com directs to 84.14.241.56 and ns1.coltfrance.com directs to 212.74.78.59; each host name points to exactly one IP number.
Mail Servers
Mail for cross-knowledge.fr is handled by a single mail server, mail.crossknowledge.com.