crossknowledge.org - dns.ninja

`crossknowledge.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:21be^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::ac43:943f^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.33.190^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.148.63^{🇺🇸 Cloudflare172.67.144.0/20 , 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`
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	`0ed1fe018a994d16d2384848e4bba0527699e6d9f6`
TXT	`MS=ms59251007`
TXT	`v=spf1 include:usb._netblocks.mimecast.com include:spf.protection.outlook.com...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.33.190, 172.67.148.63
		IPv6 hints	2606:4700:3030::6815:21be, 2606:4700:3032::ac43:943f
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=129, name=cloudflare-ech.com
SOA	`gene.ns.cloudflare.com`dns@cloudflare.com serial=2408587262

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1783218855

Subdomains

www.crossknowledge.org

Same first word

Similar names

knowledgecross.com

DNS History

16 records (8 active, 8 former)

○NSa.dns.gandi.net2015-07-02 → 2018-06-08 · 4 obs

● 2015-07-02 22:58:04
● 2018-06-08 08:47:42
○ 2026-04-18 11:22:08
○ 2026-07-05 03:03:56

○NSb.dns.gandi.net2015-07-02 → 2018-06-08 · 4 obs

● 2015-07-02 22:58:04
● 2018-06-08 08:47:42
○ 2026-04-18 11:22:08
○ 2026-07-05 03:03:56

○NSc.dns.gandi.net2015-07-02 → 2018-06-08 · 4 obs

● 2015-07-02 22:58:04
● 2018-06-08 08:47:42
○ 2026-04-18 11:22:08
○ 2026-07-05 03:03:56

●NSgene.ns.cloudflare.com2026-04-18 → 2026-07-05 · 3 obs

○ 2018-06-08 08:47:42
● 2026-04-18 11:22:08
● 2026-07-05 03:03:56

●NSigor.ns.cloudflare.com2026-04-18 → 2026-07-05 · 3 obs

○ 2018-06-08 08:47:42
● 2026-04-18 11:22:08
● 2026-07-05 03:03:56

○MXmail.crossknowledge.com2015-07-02 → 2018-06-08 · 4 obs

● 2015-07-02 22:58:04
● 2018-06-08 08:47:42
○ 2026-04-18 11:22:08
○ 2026-07-05 03:03:56

○MXmail2.crossknowledge.com2015-07-02 → 2018-06-08 · 4 obs

● 2015-07-02 22:58:04
● 2018-06-08 08:47:42
○ 2026-04-18 11:22:08
○ 2026-07-05 03:03:56

●MXusb-smtp-inbound-1.mimecast.com2026-04-18 → 2026-07-05 · 3 obs

○ 2018-06-08 08:47:42
● 2026-04-18 11:22:08
● 2026-07-05 03:03:56

●MXusb-smtp-inbound-2.mimecast.com2026-04-18 → 2026-07-05 · 3 obs

○ 2018-06-08 08:47:42
● 2026-04-18 11:22:08
● 2026-07-05 03:03:56

●A104.21.33.1902026-04-18 → 2026-07-05 · 3 obs

○ 2018-06-08 08:47:42
● 2026-04-18 11:22:08
● 2026-07-05 03:03:56

●A172.67.148.632026-04-18 → 2026-07-05 · 3 obs

○ 2018-06-08 08:47:42
● 2026-04-18 11:22:08
● 2026-07-05 03:03:56

●A2606:4700:3030::6815:21be2026-07-05 → 2026-07-05 · 2 obs

○ 2026-04-18 11:22:08
● 2026-07-05 03:03:56

○A2606:4700:3031::6815:21be2026-04-18 → 2026-04-18 · 3 obs

○ 2018-06-08 08:47:42
● 2026-04-18 11:22:08
○ 2026-07-05 03:03:56

●A2606:4700:3032::ac43:943f2026-07-05 → 2026-07-05 · 2 obs

○ 2026-04-18 11:22:08
● 2026-07-05 03:03:56

○A2606:4700:3037::ac43:943f2026-04-18 → 2026-04-18 · 3 obs

○ 2018-06-08 08:47:42
● 2026-04-18 11:22:08
○ 2026-07-05 03:03:56

○A91.121.103.332015-07-02 → 2018-06-08 · 4 obs

● 2015-07-02 22:58:04
● 2018-06-08 08:47:42
○ 2026-04-18 11:22:08
○ 2026-07-05 03:03:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
crossknowledge.org	igor.ns.cloudflare.com, gene.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.119

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for crossknowledge.org (unsigned zone)

⏱️ Timing

Total: 403ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.33.190, 172.67.148.63`
AAAA	2	`2606:4700:3030::6815:21be, 2606:4700:3032::ac43:943f`
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	3	`0ed1fe018a994d16d2384848e4bba0527699e6d9, MS=ms59251007...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`gene.ns.cloudflare.com dns.cloudflare.co`

Analysis

Hierarchy

crossknowledge.org serves as the parent of www.crossknowledge.org.

IP Addresses

crossknowledge.org resolves to four IP addresses: 104.21.33.190, 172.67.148.63, 2606:4700:3030::6815:21be and 2606:4700:3032::ac43:943f.

p7235.com, smtp.gsscomplaw.com, vertexcodenext.digital and two other host names share IP numbers with crossknowledge.org.

Name Servers

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

crossknowledge.org uses the same name servers as several other domains — among them production.city, scanble.com, ptptn.org and two more.

crossknowledge.org has at least partial name server overlap with other domains, such as kinomania.online, shantecn.com, apalaugonzalez.com and two others.

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.

Mail Servers

Mail for crossknowledge.org is handled by two mail servers — usb-smtp-inbound-1.mimecast.com and usb-smtp-inbound-2.mimecast.com.

crossknowledge.org uses an identical mail server configuration to several other domains — among them alignfinancial.com, drurydesign.com, avatria.io and two more.

crossknowledge.org has at least partial mail server overlap with other domains such as hrsoft.biz, omniib.com, hayscountyesd9.gov and two more.

usb-smtp-inbound-1.mimecast.com resolves to 170.10.150.242 and 170.10.152.242; usb-smtp-inbound-2.mimecast.com resolves to the same two IP addresses: 170.10.150.242 and 170.10.152.242.

Host names pointing to 170.10.150.242 IP addresses: usb-smtp-inbound-1.mimecast.com and usb-smtp-inbound-2.mimecast.com.

Host names pointing to 170.10.152.242 IP addresses: usb-smtp-inbound-1.mimecast.com and usb-smtp-inbound-2.mimecast.com.