crossknowledge.nl - dns.ninja

`crossknowledge.nl`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::ac43:ccb7^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:3265^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.50.101^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.204.183^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`gene.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a9e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gene.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c09e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`gene.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:209e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`gene.ns.cloudflare.com`
		A	108.162.192.158^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gene.ns.cloudflare.com`
		A	172.64.32.158^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gene.ns.cloudflare.com`
		A	173.245.58.158^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gene.ns.cloudflare.com`
NS	`igor.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b77^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`igor.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c177^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`igor.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2177^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`igor.ns.cloudflare.com`
		A	108.162.193.119^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`igor.ns.cloudflare.com`
		A	172.64.33.119^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`igor.ns.cloudflare.com`
		A	173.245.59.119^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`igor.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.50.101, 172.67.204.183
		IPv6 hints	2606:4700:3035::ac43:ccb7, 2606:4700:3037::6815:3265
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=35, name=cloudflare-ech.com
SOA	`gene.ns.cloudflare.com`dns@cloudflare.com serial=2409625814

`nl`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns1.dns.nl` ⭐
	NS	`ns3.dns.nl`
	NS	`ns4.dns.nl`
	TXT	`nl zone update: 2026-08-02 05:00:02 +0000 (EPOCH 1785646802)`
	SOA	`ns1.dns.nl`dns@sidn.nl 2026-08-02 #10

Same first word

Similar names

knowledgecross.com

DNS History

15 records (6 active, 9 former)

○NSa.dns.gandi.net2015-05-14 → 2017-05-15 · 4 obs

● 2015-05-14 09:22:30
● 2017-05-15 18:52:04
○ 2026-02-15 04:35:04
○ 2026-08-02 05:30:24

○NSb.dns.gandi.net2015-05-14 → 2017-05-15 · 4 obs

● 2015-05-14 09:22:30
● 2017-05-15 18:52:04
○ 2026-02-15 04:35:04
○ 2026-08-02 05:30:24

○NSc.dns.gandi.net2015-05-14 → 2017-05-15 · 4 obs

● 2015-05-14 09:22:30
● 2017-05-15 18:52:04
○ 2026-02-15 04:35:04
○ 2026-08-02 05:30:24

●NSgene.ns.cloudflare.com2026-02-15 → 2026-08-02 · 3 obs

○ 2017-05-15 18:52:04
● 2026-02-15 04:35:04
● 2026-08-02 05:30:24

●NSigor.ns.cloudflare.com2026-02-15 → 2026-08-02 · 3 obs

○ 2017-05-15 18:52:04
● 2026-02-15 04:35:04
● 2026-08-02 05:30:24

○MXfb.mail.gandi.net2015-05-14 → 2026-02-15 · 4 obs

● 2015-05-14 09:22:30
● 2026-02-15 04:35:04
○ 2026-02-22 21:28:46
○ 2026-08-02 05:30:24

○MXspool.mail.gandi.net2015-05-14 → 2026-02-15 · 4 obs

● 2015-05-14 09:22:30
● 2026-02-15 04:35:04
○ 2026-02-22 21:28:46
○ 2026-08-02 05:30:24

●A104.21.50.1012026-02-15 → 2026-08-02 · 3 obs

○ 2017-05-15 18:52:04
● 2026-02-15 04:35:04
● 2026-08-02 05:30:24

○A168.63.11.212015-05-14 → 2015-10-06 · 4 obs

● 2015-05-14 09:22:30
● 2015-10-06 10:07:30
○ 2015-12-28 05:25:20
○ 2026-08-02 05:30:24

●A172.67.204.1832026-02-15 → 2026-08-02 · 3 obs

○ 2017-05-15 18:52:04
● 2026-02-15 04:35:04
● 2026-08-02 05:30:24

○A217.70.184.382015-12-28 → 2017-05-15 · 5 obs

○ 2015-10-06 10:07:30
● 2015-12-28 05:25:20
● 2017-05-15 18:52:04
○ 2026-02-15 04:35:04
○ 2026-08-02 05:30:24

○A2606:4700:3030::6815:32652026-02-15 → 2026-02-15 · 4 obs

○ 2017-05-15 18:52:04
● 2026-02-15 04:35:04
○ 2026-07-31 16:49:58
○ 2026-08-02 05:30:24

○A2606:4700:3031::ac43:ccb72026-02-15 → 2026-02-15 · 4 obs

○ 2017-05-15 18:52:04
● 2026-02-15 04:35:04
○ 2026-07-31 16:49:58
○ 2026-08-02 05:30:24

●A2606:4700:3035::ac43:ccb72026-07-31 → 2026-08-02 · 3 obs

○ 2026-02-15 04:35:04
● 2026-07-31 16:49:58
● 2026-08-02 05:30:24

●A2606:4700:3037::6815:32652026-07-31 → 2026-08-02 · 3 obs

○ 2026-02-15 04:35:04
● 2026-07-31 16:49:58
● 2026-08-02 05:30:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns1.dns.nl, ns3.dns.nl, ns4.dns.nl	-
crossknowledge.nl	gene.ns.cloudflare.com, igor.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.158

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for crossknowledge.nl (unsigned zone)

⏱️ Timing

Total: 1147ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.204.183, 104.21.50.101`
AAAA	2	`2606:4700:3035::ac43:ccb7, 2606:4700:3037::6815:3265`
NS	2	`gene.ns.cloudflare.com, igor.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`gene.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

crossknowledge.nl has four IP addresses: 104.21.50.101, 172.67.204.183, 2606:4700:3035::ac43:ccb7 and 2606:4700:3037::6815:3265.

Among the host names that share IP numbers with crossknowledge.nl are ttride.co.uk, anycegrayly.com, nakagawa-art.com and two others.

Name Servers

crossknowledge.nl uses two name servers for its delegation: gene.ns.cloudflare.com and igor.ns.cloudflare.com.

crossknowledge.nl has the same name server delegation as a number of other domains, such as crossknowledge.be, irwiz.com, crossknowledge.fr and two more.

crossknowledge.nl partially shares its NS delegation with several other domains, including pointhealth.com.au, elbin-bank.ru, ydlseo.com and two others.

These name servers are regularly seen alongside eva.ns.cloudflare.com and renan.ns.cloudflare.com as name servers.

Host names resolving to 6 IP numbers:

Hostname gene.ns.cloudflare.com directs to 108.162.192.158, 172.64.32.158 and 173.245.58.158 along with 3 other IP addresses.

Hostname igor.ns.cloudflare.com directs to 108.162.193.119, 172.64.33.119 and 173.245.59.119 along with 3 other IP addresses.