crossknowledge.net - dns.ninja

`crossknowledge.net`

DNSSEC	⚠️ Not signed
A	2606:4700::6812:1a8b^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700::6812:1b8b^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.18.26.139^{Cloudflare104.18.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.18.27.139^{Cloudflare104.18.16.0/20 , 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/2 ✓ hints match
		IPv4 hints	104.18.26.139, 104.18.27.139
		IPv6 hints	2606:4700::6812:1a8b, 2606:4700::6812:1b8b
SOA	`gene.ns.cloudflare.com`dns@cloudflare.com serial=2407202531

`net`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1783198161

Subdomains

www.crossknowledge.net

Same first word

Similar names

knowledgecross.com

DNS History

14 records (6 active, 8 former)

○NSa.dns.gandi.net2015-06-24 → 2020-03-17 · 4 obs

● 2015-06-24 11:15:08
● 2020-03-17 00:53:02
○ 2026-02-15 01:19:38
○ 2026-07-04 21:14:12

○NSb.dns.gandi.net2015-06-24 → 2020-03-17 · 4 obs

● 2015-06-24 11:15:08
● 2020-03-17 00:53:02
○ 2026-02-15 01:19:38
○ 2026-07-04 21:14:12

○NSc.dns.gandi.net2015-06-24 → 2020-03-17 · 4 obs

● 2015-06-24 11:15:08
● 2020-03-17 00:53:02
○ 2026-02-15 01:19:38
○ 2026-07-04 21:14:12

●NSgene.ns.cloudflare.com2026-02-15 → 2026-07-04 · 3 obs

○ 2020-03-17 00:53:02
● 2026-02-15 01:19:38
● 2026-07-04 21:14:12

●NSigor.ns.cloudflare.com2026-02-15 → 2026-07-04 · 3 obs

○ 2020-03-17 00:53:02
● 2026-02-15 01:19:38
● 2026-07-04 21:14:12

○MXfb.mail.gandi.net2020-03-17 → 2026-02-15 · 5 obs

○ 2017-04-10 16:28:34
● 2020-03-17 00:53:02
● 2026-02-15 15:04:18
○ 2026-02-22 06:47:52
○ 2026-07-04 21:14:12

○MXmail.crossknowledge.com2015-06-24 → 2017-04-10 · 4 obs

● 2015-06-24 11:15:08
● 2017-04-10 16:28:34
○ 2020-03-17 00:53:02
○ 2026-07-04 21:14:12

○MXmail2.crossknowledge.com2015-06-24 → 2017-04-10 · 4 obs

● 2015-06-24 11:15:08
● 2017-04-10 16:28:34
○ 2020-03-17 00:53:02
○ 2026-07-04 21:14:12

○MXspool.mail.gandi.net2020-03-17 → 2026-02-15 · 5 obs

○ 2017-04-10 16:28:34
● 2020-03-17 00:53:02
● 2026-02-15 15:04:18
○ 2026-02-22 06:47:52
○ 2026-07-04 21:14:12

●A104.18.26.1392026-02-15 → 2026-07-04 · 3 obs

○ 2020-03-17 00:53:02
● 2026-02-15 01:19:38
● 2026-07-04 21:14:12

●A104.18.27.1392026-02-15 → 2026-07-04 · 3 obs

○ 2020-03-17 00:53:02
● 2026-02-15 01:19:38
● 2026-07-04 21:14:12

●A2606:4700::6812:1a8b2026-02-15 → 2026-07-04 · 3 obs

○ 2020-03-17 00:53:02
● 2026-02-15 01:19:38
● 2026-07-04 21:14:12

●A2606:4700::6812:1b8b2026-02-15 → 2026-07-04 · 3 obs

○ 2020-03-17 00:53:02
● 2026-02-15 01:19:38
● 2026-07-04 21:14:12

○A78.153.226.1532015-06-24 → 2017-04-10 · 4 obs

● 2015-06-24 11:15:08
● 2017-04-10 16:28:34
○ 2020-03-17 00:53:02
○ 2026-07-04 21:14:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
crossknowledge.net	gene.ns.cloudflare.com, igor.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.158

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for crossknowledge.net (unsigned zone)

⏱️ Timing

Total: 362ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.18.27.139, 104.18.26.139`
AAAA	2	`2606:4700::6812:1b8b, 2606:4700::6812:1a8b`
NS	2	`gene.ns.cloudflare.com, igor.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h2"]`
SOA	1	`gene.ns.cloudflare.com dns.cloudflare.co`

Analysis

Hierarchy

www.crossknowledge.net is a subdomain of crossknowledge.net.

IP Addresses

crossknowledge.net points to the four IP addresses 104.18.26.139, 104.18.27.139, 2606:4700::6812:1a8b and 2606:4700::6812:1b8b.

Among the host names that share IP numbers with crossknowledge.net are teleportinfra.dev, liberty.co.ke, plumbldg.com and two others.

Name Servers

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

crossknowledge.net has the same name server delegation as a number of other domains, such as crossknowledge.de, crossknowledge.us, crossknowledge.nl and two more.

The name servers of crossknowledge.net overlap at least partially with those of other domains — among them huahinlottery.com, bushoonu.ru, os-x.guide and two more.

The name servers ian.ns.cloudflare.com, aria.ns.cloudflare.com and eva.ns.cloudflare.com are commonly seen alongside these name servers.

Host names resolving to 6 IP numbers:

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.