crossknowledge.fr - dns.ninja

crossknowledge.fr

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:9741🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::6815:9c🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.0.156Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.151.65🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSgene.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a9e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgene.ns.cloudflare.com
A2803:f800:50::6ca2:c09e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRgene.ns.cloudflare.com
A2a06:98c1:50::ac40:209e🇺🇸 Cloudflare2a06:98c1:50::/45
PTRgene.ns.cloudflare.com
A108.162.192.158🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgene.ns.cloudflare.com
A172.64.32.158🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgene.ns.cloudflare.com
A173.245.58.158🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgene.ns.cloudflare.com
NSigor.ns.cloudflare.com
A2606:4700:58::adf5:3b77🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRigor.ns.cloudflare.com
A2803:f800:50::6ca2:c177🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRigor.ns.cloudflare.com
A2a06:98c1:50::ac40:2177🇺🇸 Cloudflare2a06:98c1:50::/45
PTRigor.ns.cloudflare.com
A108.162.193.119🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRigor.ns.cloudflare.com
A172.64.33.119🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRigor.ns.cloudflare.com
A173.245.59.119🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRigor.ns.cloudflare.com
TXTv=spf1 -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.0.156, 172.67.151.65
IPv6 hints2606:4700:3032::ac43:9741, 2606:4700:3033::6815:9c
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=224, name=cloudflare-ech.com
SOAgene.ns.cloudflare.comdns@cloudflare.com serial=2410553864

fr

DNSSEC🔒 Signed (DS record present)
NSa.nic.fr ⭐
NSd.nic.fr
NSf.ext.nic.fr
NSg.ext.nic.fr
TXT237 RRs processed [30/07/2026 18H40:50]
SOAa.nic.frdnsmaster@afnic.fr serial=2246051784
WOT: SAFE (61/100)

Same first word

crossknowledge.de
crossknowledge.us
crossknowledge.nl
crossknowledge.com.br
crossknowledge.net
crossknowledge.com
crossknowledge.co.uk
crossknowledge.academy
crossknowledge.be
crossknowledge.fr
crossknowledge.in
crossknowledge.ch
crossknowledge.cn
crossknowledge.it
crossknowledge.org
crossknowledge.ca

Similar names

knowledgecross.com

DNS History

14 records (6 active, 8 former)

20162017201820192020202120222023202420252026NSgene.ns.cloudflare.comigor.ns.cloudflare.coma.dns.gandi.netb.dns.gandi.netc.dns.gandi.netMXfb.mail.gandi.netspool.mail.gandi.netA104.21.0.156172.67.151.652606:4700:3032::ac43:97412606:4700:3033::6815:9c168.63.11.21217.70.184.382606:4700:3035::6815:9c
○NSa.dns.gandi.net2015-05-23 → 2017-04-02 · 4 obs
● 2015-05-23 23:58:04
● 2017-04-02 18:13:12
○ 2026-02-22 01:07:26
○ 2026-07-30 19:06:20
○NSb.dns.gandi.net2015-05-23 → 2017-04-02 · 4 obs
● 2015-05-23 23:58:04
● 2017-04-02 18:13:12
○ 2026-02-22 01:07:26
○ 2026-07-30 19:06:20
○NSc.dns.gandi.net2015-05-23 → 2017-04-02 · 4 obs
● 2015-05-23 23:58:04
● 2017-04-02 18:13:12
○ 2026-02-22 01:07:26
○ 2026-07-30 19:06:20
●NSgene.ns.cloudflare.com2026-02-22 → 2026-07-30 · 3 obs
○ 2017-04-02 18:13:12
● 2026-02-22 01:07:26
● 2026-07-30 19:06:20
●NSigor.ns.cloudflare.com2026-02-22 → 2026-07-30 · 3 obs
○ 2017-04-02 18:13:12
● 2026-02-22 01:07:26
● 2026-07-30 19:06:20
○MXfb.mail.gandi.net2015-05-23 → 2017-04-02 · 4 obs
● 2015-05-23 23:58:04
● 2017-04-02 18:13:12
○ 2026-02-22 01:07:26
○ 2026-07-30 19:06:20
○MXspool.mail.gandi.net2015-05-23 → 2017-04-02 · 4 obs
● 2015-05-23 23:58:04
● 2017-04-02 18:13:12
○ 2026-02-22 01:07:26
○ 2026-07-30 19:06:20
●A104.21.0.1562026-02-22 → 2026-07-30 · 3 obs
○ 2017-04-02 18:13:12
● 2026-02-22 01:07:26
● 2026-07-30 19:06:20
○A168.63.11.212015-05-23 → 2015-05-23 · 3 obs
● 2015-05-23 23:58:04
○ 2015-10-26 21:44:58
○ 2026-07-30 19:06:20
●A172.67.151.652026-02-22 → 2026-07-30 · 3 obs
○ 2017-04-02 18:13:12
● 2026-02-22 01:07:26
● 2026-07-30 19:06:20
○A217.70.184.382015-10-26 → 2017-04-02 · 5 obs
○ 2015-05-23 23:58:04
● 2015-10-26 21:44:58
● 2017-04-02 18:13:12
○ 2026-02-22 01:07:26
○ 2026-07-30 19:06:20
●A2606:4700:3032::ac43:97412026-02-22 → 2026-07-30 · 3 obs
○ 2017-04-02 18:13:12
● 2026-02-22 01:07:26
● 2026-07-30 19:06:20
●A2606:4700:3033::6815:9c2026-06-29 → 2026-07-30 · 3 obs
○ 2026-06-04 02:54:44
● 2026-06-29 06:38:52
● 2026-07-30 19:06:20
○A2606:4700:3035::6815:9c2026-02-22 → 2026-06-04 · 5 obs
○ 2017-04-02 18:13:12
● 2026-02-22 01:07:26
● 2026-06-04 02:54:44
○ 2026-06-29 06:38:52
○ 2026-07-30 19:06:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
frd.nic.fr, f.ext.nic.fr, g.ext.nic.fr-
crossknowledge.frigor.ns.cloudflare.com, gene.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.58.158

NS records: igor.ns.cloudflare.com, gene.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for crossknowledge.fr (unsigned zone)

⏱️ Timing

Total: 566ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.0.156, 172.67.151.65
AAAA22606:4700:3033::6815:9c, 2606:4700:3032::ac43:9741
NS2gene.ns.cloudflare.com, igor.ns.cloudflare.com
TXT1v=spf1 -all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1gene.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

crossknowledge.fr resolves to four IP addresses: 104.21.0.156, 172.67.151.65, 2606:4700:3032::ac43:9741 and 2606:4700:3033::6815:9c.

Two other host names, along with mail.pyxel.com.br, unreel.co.uk and 8c42.com, also share IP numbers with crossknowledge.fr.

Name Servers

The NS records for crossknowledge.fr delegate to gene.ns.cloudflare.com and igor.ns.cloudflare.com.

crossknowledge.fr shares its NS records with other domains, for example production.city, scanble.com, crossknowledge.cn and two others.

crossknowledge.fr shares at least some of its name servers with other domains, including ccnzz.cn, bahri.sa, futsalacademy.com.br and two others.

These name servers are frequently seen alongside the name servers renan.ns.cloudflare.com.

DNS names with 6 IP addresses:

gene.ns.cloudflare.com maps to 108.162.192.158, 172.64.32.158, 173.245.58.158 and 3 additional IP addresses.

igor.ns.cloudflare.com maps to 108.162.193.119, 172.64.33.119, 173.245.59.119 and 3 additional IP addresses.