`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.com`hostmaster@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	`342 RRs processed [01/04/2026 15H10:50]`
	SOA	`a.nic.fr`dnsmaster@afnic.fr serial=2244709114

Same first word

cross-knowledge.fr

DNS History

4 records (4 active, 0 former)

●NSns0.coltfrance.com2015-07-17 → 2026-04-01 · 2 obs

● 2015-07-17 03:45:20
● 2026-04-01 15:26:22

●NSns1.coltfrance.com2015-07-17 → 2026-04-01 · 2 obs

● 2015-07-17 03:45:20
● 2026-04-01 15:26:22

●MXmail.crossknowledge.com2015-07-17 → 2026-04-01 · 2 obs

● 2015-07-17 03:45:20
● 2026-04-01 15:26:22

●A84.14.252.2452015-07-17 → 2026-04-01 · 2 obs

● 2015-07-17 03:45:20
● 2026-04-01 15:26:22

🔍 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:84.14.241.56

NS records: ns1.coltfrance.com, ns0.coltfrance.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cross-knowledge.fr (unsigned zone)

⏱️ Timing

Total: 788ms | 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 a single IP: 84.14.252.245.

Other host names share IP numbers with cross-knowledge.fr; for instance 245.252-14-84.ripe.coltfrance.com.

Name Servers

cross-knowledge.fr has two name servers: ns0.coltfrance.com and ns1.coltfrance.com.

cross-knowledge.fr shares the same name server setup as other domains, for example uggc.net, sagardeurope.com, assurdiscount.fr, lesacteurs.com and atoseuronext.fr.

cross-knowledge.fr shares some name servers with other domains, for example groupetf1.fr, lmr.aphp.fr, bch.aphp.fr, mytf1vod.com and svp.ap-hop-paris.fr.

These name servers are commonly used with nsb.perf1.com, nsc.perf1.com, nsa.perf1.fr, gw-aphp.ap-hop-paris.fr and ns8.colt.net.

Host names with a single IP:

ns0.coltfrance.com points to 84.14.241.56

ns1.coltfrance.com points to 212.74.78.59

Mail Servers

cross-knowledge.fr is handled by a single mail server, mail.crossknowledge.com.

cross-knowledge.fr - robtex.com