crossknowledge.com - dns.ninja

`crossknowledge.com`

DNSSEC	⚠️ Not signed
A	2606:4700::6812:a2f^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	2606:4700::6812:b2f^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	104.18.10.47^{Cloudflare104.18.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	104.18.11.47^{Cloudflare104.18.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
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}
		A	172.64.32.158^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		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`
MX	`usb-smtp-inbound-1.mimecast.com` ⭐
		A	170.10.150.242^{🇺🇸 Mimecast-NA170.10.150.0/24 Mimecast NA}
			PTR	`usb-smtp-delivery-2.mimecast.com`
		A	170.10.152.242^{🇺🇸 Mimecast-NA170.10.152.0/24 Mimecast NA}
			PTR	`usb-smtp-delivery-2.mimecast.com`
MX	`usb-smtp-inbound-2.mimecast.com` ⭐
		A	170.10.150.242^{🇺🇸 Mimecast-NA170.10.150.0/24 Mimecast NA}
			PTR	`usb-smtp-delivery-2.mimecast.com`
		A	170.10.152.242^{🇺🇸 Mimecast-NA170.10.152.0/24 Mimecast NA}
			PTR	`usb-smtp-delivery-2.mimecast.com`
TXT	`0ed1fe018a39d8b1ce794642319c709bb4373a616d`
TXT	`MS=ms22479168`
TXT	`adobe-idp-site-verification=66a5602899c05992f9e131a6ece01d23ce0840e0946375cfc...`
TXT	`google-site-verification=6vGaEH8uRvS2TgEUXjyMxtHUwEfVfOfNA8cDPcE14DQ`
TXT	`google-site-verification=AbN54JXkqaX2n-6tnpW0UsSXKCEA4HEVO2yF_DgKmUY`
TXT	`google-site-verification=Gm5RUsv1EFIwilK-BfceT_jyC4jvguYIE4_c9BVCNCg`
TXT	`google-site-verification=aL3RKC6xdhjoGP1DP2XtRHvbH1jdBH_y-3MzOgW_-as`
TXT	`google-site-verification=fluF56fZdI7KR40WDjEB9_0Hwl_Tpl__Z9sU5QbeMMw`
TXT	`google-site-verification=gLdeWA99Q9epzB4lNAEVCCG-I0BR-rHB_Gg5vwZsRPU`
TXT	`google-site-verification=hHrWftNU3I21RWhndImh-znlekCjV8iQEHWDk2D18L8`
TXT	`google-site-verification=npoRxmsC2rjxtlKIBqxNIAiONQOi_bXN3N_824fSmyE`
TXT	`site24x7-signals-domain-verification=25e3dfa930208946cca20609dabbf415`
TXT	`smartsheet-site-validation=aFnE7xS2BOHF220ChqDVVlxjsbNiW-uX`
TXT	`v=spf1 ip4:52.210.173.106 mx ptr include:amazonses.com include:mktomail.com i...`
SOA	`gene.ns.cloudflare.com`dns@cloudflare.com serial=2407196771

`com`

	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=1783225171

rank #230761 globally
rank #99688 in the tld
📈 Tranco rank: #187,643

Subdomains

ckls-cdn.crossknowledge.com

ckls-cdn-eu.crossknowledge.com

mail.crossknowledge.com

page.crossknowledge.com

ckls-cdn-na.crossknowledge.com

www.crossknowledge.com

api.crossknowledge.com

ckls-assets.crossknowledge.com

app-cdn.crossknowledge.com

Same first word

Similar names

knowledgecross.com

DNS History

22 records (8 active, 14 former)

○NSa.dns.gandi.net2015-09-02 → 2020-08-30 · 4 obs

● 2015-09-02 11:56:22
● 2020-08-30 12:34:30
○ 2026-02-15 06:26:54
○ 2026-07-05 04:29:18

○NSb.dns.gandi.net2015-09-02 → 2020-08-30 · 4 obs

● 2015-09-02 11:56:22
● 2020-08-30 12:34:30
○ 2026-02-15 06:26:54
○ 2026-07-05 04:29:18

○NSc.dns.gandi.net2015-09-02 → 2020-08-30 · 4 obs

● 2015-09-02 11:56:22
● 2020-08-30 12:34:30
○ 2026-02-15 06:26:54
○ 2026-07-05 04:29:18

●NSgene.ns.cloudflare.com2026-02-15 → 2026-07-05 · 3 obs

○ 2020-08-30 12:34:30
● 2026-02-15 06:26:54
● 2026-07-05 04:29:18

●NSigor.ns.cloudflare.com2026-02-15 → 2026-07-05 · 3 obs

○ 2020-08-30 12:34:30
● 2026-02-15 06:26:54
● 2026-07-05 04:29:18

○MXalt1.aspmx.l.google.com2015-09-02 → 2017-02-15 · 4 obs

● 2015-09-02 11:56:22
● 2017-02-15 11:48:54
○ 2020-08-30 12:34:30
○ 2026-07-05 04:29:18

○MXalt2.aspmx.l.google.com2015-09-02 → 2017-02-15 · 4 obs

● 2015-09-02 11:56:22
● 2017-02-15 11:48:54
○ 2020-08-30 12:34:30
○ 2026-07-05 04:29:18

○MXalt3.aspmx.l.google.com2015-09-02 → 2017-02-15 · 4 obs

● 2015-09-02 11:56:22
● 2017-02-15 11:48:54
○ 2020-08-30 12:34:30
○ 2026-07-05 04:29:18

○MXalt4.aspmx.l.google.com2015-09-02 → 2017-02-15 · 4 obs

● 2015-09-02 11:56:22
● 2017-02-15 11:48:54
○ 2020-08-30 12:34:30
○ 2026-07-05 04:29:18

○MXaspmx.l.google.com2015-09-02 → 2017-02-15 · 4 obs

● 2015-09-02 11:56:22
● 2017-02-15 11:48:54
○ 2020-08-30 12:34:30
○ 2026-07-05 04:29:18

○MXmxa-0053b401.gslb.pphosted.com2020-08-30 → 2020-08-30 · 4 obs

○ 2017-02-15 11:48:54
● 2020-08-30 12:34:30
○ 2026-02-15 06:26:54
○ 2026-07-05 04:29:18

○MXmxb-0053b401.gslb.pphosted.com2020-08-30 → 2020-08-30 · 4 obs

○ 2017-02-15 11:48:54
● 2020-08-30 12:34:30
○ 2026-02-15 06:26:54
○ 2026-07-05 04:29:18

●MXusb-smtp-inbound-1.mimecast.com2026-02-15 → 2026-07-05 · 3 obs

○ 2020-08-30 12:34:30
● 2026-02-15 06:26:54
● 2026-07-05 04:29:18

●MXusb-smtp-inbound-2.mimecast.com2026-02-15 → 2026-07-05 · 3 obs

○ 2020-08-30 12:34:30
● 2026-02-15 06:26:54
● 2026-07-05 04:29:18

●A104.18.10.472026-02-15 → 2026-07-05 · 3 obs

○ 2020-08-30 12:34:30
● 2026-02-15 06:26:54
● 2026-07-05 04:29:18

●A104.18.11.472026-02-15 → 2026-07-05 · 3 obs

○ 2020-08-30 12:34:30
● 2026-02-15 06:26:54
● 2026-07-05 04:29:18

○A168.63.11.212015-09-02 → 2015-09-21 · 4 obs

● 2015-09-02 11:56:22
● 2015-09-21 18:52:36
○ 2015-12-24 18:24:22
○ 2026-07-05 04:29:18

●A2606:4700::6812:a2f2026-02-15 → 2026-07-05 · 3 obs

○ 2020-08-30 12:34:30
● 2026-02-15 06:26:54
● 2026-07-05 04:29:18

●A2606:4700::6812:b2f2026-02-15 → 2026-07-05 · 3 obs

○ 2020-08-30 12:34:30
● 2026-02-15 06:26:54
● 2026-07-05 04:29:18

○A34.196.15.1262020-08-30 → 2020-08-30 · 4 obs

○ 2017-02-15 11:48:54
● 2020-08-30 12:34:30
○ 2026-02-15 06:26:54
○ 2026-07-05 04:29:18

○A52.4.212.462015-12-24 → 2016-01-10 · 5 obs

○ 2015-09-21 18:52:36
● 2015-12-24 18:24:22
● 2016-01-10 04:18:58
○ 2016-05-04 08:51:00
○ 2026-07-05 04:29:18

○A52.70.159.712016-05-04 → 2017-02-15 · 5 obs

○ 2016-01-10 04:18:58
● 2016-05-04 08:51:00
● 2017-02-15 11:48:54
○ 2020-08-30 12:34:30
○ 2026-07-05 04:29:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, m.gtld-servers.net, j.gtld-servers.net...	-
crossknowledge.com	gene.ns.cloudflare.com, igor.ns.cloudflare.com	12 records

✅ 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.com (unsigned zone)

⏱️ Timing

Total: 254ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.18.10.47, 104.18.11.47`
AAAA	2	`2606:4700::6812:b2f, 2606:4700::6812:a2f`
NS	2	`gene.ns.cloudflare.com, igor.ns.cloudflare.com`
MX	2	`usb-smtp-inbound-1.mimecast.com (pri: 5), usb-smtp-inbound-2.mimecast.com (pri: 5)`
TXT	14	`0ed1fe018a39d8b1ce794642319c709bb4373a61, MS=ms22479168...`
SOA	1	`gene.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (gene.ns.cloudflare.com, gene.ns.cloudflare.com, gene.ns.cloudflare.com...)

Analysis

Hierarchy

crossknowledge.com is the parent domain of ckls-cdn.crossknowledge.com, ckls-cdn-eu.crossknowledge.com, mail.crossknowledge.com, page.crossknowledge.com, ckls-cdn-na.crossknowledge.com and a few other host names.

IP Addresses

crossknowledge.com has four IP addresses: 104.18.10.47, 104.18.11.47, 2606:4700::6812:a2f and 2606:4700::6812:b2f.

Additional host names — desjardins.na.crossknowledge.com, cdn3.signal.org, ckls-cdn.crossknowledge.com and two others — share IP numbers with crossknowledge.com.

Name Servers

crossknowledge.com has two authoritative name servers — gene.ns.cloudflare.com and igor.ns.cloudflare.com.

crossknowledge.com shares its name server setup with other domains, including epistema.com, railservizz.de, railware.de and two others.

crossknowledge.com shares at least some of its name servers with other domains, including iner.pl, royalsrendezvous.uk, vishwanathrajasekaran.co.in and two others.

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

Host names with 6 IP numbers:

gene.ns.cloudflare.com points to 108.162.192.158, 172.64.32.158, 173.245.58.158 and 3 other IP addresses.

igor.ns.cloudflare.com points to 108.162.193.119, 172.64.33.119, 173.245.59.119 and 3 other IP addresses.

Mail Servers

crossknowledge.com has two mail servers: usb-smtp-inbound-1.mimecast.com and usb-smtp-inbound-2.mimecast.com.

crossknowledge.com shares the same mail server setup as other domains, including kendalfloral.com, eyecareoflajolla.com, kiaofbowie.com and two others.

crossknowledge.com shares mail servers — at least in part — with other domains, including structuralengineersinc.com, duxware.com, bimquote.com and two others.

Both usb-smtp-inbound-1.mimecast.com and usb-smtp-inbound-2.mimecast.com point to 170.10.150.242 and 170.10.152.242.

The host names usb-smtp-inbound-1.mimecast.com and usb-smtp-inbound-2.mimecast.com both resolve to 170.10.150.242 IP addresses.

The host names usb-smtp-inbound-1.mimecast.com and usb-smtp-inbound-2.mimecast.com both resolve to 170.10.152.242 IP addresses.