crossknowledge.cn - dns.ninja

crossknowledge.cn

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:8753🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:6dd🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.6.221Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.135.83🇺🇸 Cloudflare172.67.128.0/20 , 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
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.6.221, 172.67.135.83
IPv6 hints2606:4700:3030::ac43:8753, 2606:4700:3034::6815:6dd
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=65, name=cloudflare-ech.com
SOAgene.ns.cloudflare.comdns@cloudflare.com serial=2410517769

cn

DNSSEC🔒 Signed (DS record present)
NSa.dns.cn ⭐
NSb.dns.cn
NSc.dns.cn
NSd.dns.cn
NSe.dns.cn
NSns.cernet.net ⚠️ Not in parent delegation
SOAa.dns.cnroot@cnnic.cn serial=2035130266

Same first word

crossknowledge.ca
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

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.netA104.21.6.221172.67.135.832606:4700:3030::ac43:87532606:4700:3034::6815:6dd217.70.184.382606:4700:3033::ac43:87532606:4700:3036::6815:6dd
○NSa.dns.gandi.net2015-08-19 → 2017-03-21 · 4 obs
● 2015-08-19 05:00:52
● 2017-03-21 11:27:18
○ 2026-02-16 12:45:16
○ 2026-08-04 10:15:14
○NSb.dns.gandi.net2015-08-19 → 2017-03-21 · 4 obs
● 2015-08-19 05:00:52
● 2017-03-21 11:27:18
○ 2026-02-16 12:45:16
○ 2026-08-04 10:15:14
○NSc.dns.gandi.net2015-08-19 → 2017-03-21 · 4 obs
● 2015-08-19 05:00:52
● 2017-03-21 11:27:18
○ 2026-02-16 12:45:16
○ 2026-08-04 10:15:14
●NSgene.ns.cloudflare.com2026-02-16 → 2026-08-04 · 3 obs
○ 2017-03-21 11:27:18
● 2026-02-16 12:45:16
● 2026-08-04 10:15:14
●NSigor.ns.cloudflare.com2026-02-16 → 2026-08-04 · 3 obs
○ 2017-03-21 11:27:18
● 2026-02-16 12:45:16
● 2026-08-04 10:15:14
○MXfb.mail.gandi.net2015-08-19 → 2026-02-17 · 4 obs
● 2015-08-19 05:00:52
● 2026-02-17 00:54:04
○ 2026-03-06 14:48:30
○ 2026-08-04 10:15:14
○MXspool.mail.gandi.net2015-08-19 → 2026-02-17 · 4 obs
● 2015-08-19 05:00:52
● 2026-02-17 00:54:04
○ 2026-03-06 14:48:30
○ 2026-08-04 10:15:14
●A104.21.6.2212026-02-16 → 2026-08-04 · 5 obs
○ 2017-03-21 11:27:18
● 2026-02-16 12:45:16
○ 2026-07-20 14:24:08
● 2026-08-04 04:48:14
● 2026-08-04 10:15:14
●A172.67.135.832026-02-16 → 2026-08-04 · 5 obs
○ 2017-03-21 11:27:18
● 2026-02-16 12:45:16
○ 2026-07-20 14:24:08
● 2026-08-04 04:48:14
● 2026-08-04 10:15:14
○A217.70.184.382015-08-19 → 2017-03-21 · 4 obs
● 2015-08-19 05:00:52
● 2017-03-21 11:27:18
○ 2026-02-16 12:45:16
○ 2026-08-04 10:15:14
●A2606:4700:3030::ac43:87532026-07-16 → 2026-08-04 · 5 obs
○ 2026-06-08 19:07:42
● 2026-07-16 10:14:28
○ 2026-07-20 14:24:08
● 2026-08-04 04:48:14
● 2026-08-04 10:15:14
○A2606:4700:3033::ac43:87532026-02-16 → 2026-06-08 · 5 obs
○ 2017-03-21 11:27:18
● 2026-02-16 12:45:16
● 2026-06-08 19:07:42
○ 2026-07-16 10:14:28
○ 2026-08-04 10:15:14
●A2606:4700:3034::6815:6dd2026-07-16 → 2026-08-04 · 5 obs
○ 2026-06-08 19:07:42
● 2026-07-16 10:14:28
○ 2026-07-20 14:24:08
● 2026-08-04 04:48:14
● 2026-08-04 10:15:14
○A2606:4700:3036::6815:6dd2026-02-16 → 2026-06-08 · 5 obs
○ 2017-03-21 11:27:18
● 2026-02-16 12:45:16
● 2026-06-08 19:07:42
○ 2026-07-16 10:14:28
○ 2026-08-04 10:15:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cna.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...-
crossknowledge.cngene.ns.cloudflare.com, igor.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.193.119

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for crossknowledge.cn (unsigned zone)

⏱️ Timing

Total: 820ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.135.83, 104.21.6.221
AAAA22606:4700:3034::6815:6dd, 2606:4700:3030::ac43:8753
NS2gene.ns.cloudflare.com, igor.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1gene.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

crossknowledge.cn has four IP addresses: 104.21.6.221, 172.67.135.83, 2606:4700:3030::ac43:8753 and 2606:4700:3034::6815:6dd.

pos.idealhealthnow.com, awl.com.mx, brattix.com and two other host names share IP numbers with crossknowledge.cn.

Name Servers

DNS delegation for crossknowledge.cn points to two name servers: gene.ns.cloudflare.com and igor.ns.cloudflare.com.

crossknowledge.cn uses the same name servers as several other domains — among them lionize.de, 3d-wallpaper-two.com, crossknowledge.de and two more.

crossknowledge.cn shares at least some of its name servers with other domains, including lyricsgist.com, clairinvion-app.com, 24seventrackclub.com and two others.

These name servers are frequently paired with the name servers ian.ns.cloudflare.com, clara.ns.cloudflare.com and renan.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

gene.ns.cloudflare.com has IP addresses 108.162.192.158, 172.64.32.158 and 173.245.58.158, plus 3 other.

igor.ns.cloudflare.com has IP addresses 108.162.193.119, 172.64.33.119 and 173.245.59.119, plus 3 other.