crossknowledge.it - dns.ninja

`crossknowledge.it`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:ff2^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:d0d4^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.15.242^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.208.212^{🇺🇸 Cloudflare172.67.208.0/20 , 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	`spool.mail.gandi.net` ⭐
		A	2001:4b98:e00::1^{🇫🇷 GANDI-AS2001:4b98::/32 GANDI is an ICANN accredited registrar GANDI is a virtual server provider for more information: Web: http://www.gandi.net}
			PTR	`spool.mail.gandi.net`
		A	217.70.178.1^{🇫🇷 GANDI-AS217.70.176.0/20 GANDI is an ICANN accredited registrar for more information: Web: http://www.gandi.net}
			PTR	`spool.mail.gandi.net`
MX	`fb.mail.gandi.net`⁽⁵⁰⁾
		A	2001:4b98:dc4:8::215^{🇫🇷 GANDI-AS2001:4b98::/32 GANDI is an ICANN accredited registrar GANDI is a virtual server provider for more information: Web: http://www.gandi.net}
			PTR	`spool6.mail.gandi.net`
		A	2001:4b98:dc4:8::216^{🇫🇷 GANDI-AS2001:4b98::/32 GANDI is an ICANN accredited registrar GANDI is a virtual server provider for more information: Web: http://www.gandi.net}
			PTR	`spool7.mail.gandi.net`
		A	2001:4b98:dc4:8::217^{🇫🇷 GANDI-AS2001:4b98::/32 GANDI is an ICANN accredited registrar GANDI is a virtual server provider for more information: Web: http://www.gandi.net}
			PTR	`spool8.mail.gandi.net`
		A	217.70.178.215^{🇫🇷 GANDI-AS217.70.176.0/20 GANDI is an ICANN accredited registrar for more information: Web: http://www.gandi.net}
			PTR	`spool6.mail.gandi.net`
		A	217.70.178.216^{🇫🇷 GANDI-AS217.70.176.0/20 GANDI is an ICANN accredited registrar for more information: Web: http://www.gandi.net}
			PTR	`spool7.mail.gandi.net`
		A	217.70.178.217^{🇫🇷 GANDI-AS217.70.176.0/20 GANDI is an ICANN accredited registrar for more information: Web: http://www.gandi.net}
			PTR	`spool8.mail.gandi.net`
TXT	`v=spf1 mx ptr include:servers.mcsv.net include:salesforce.com include:smartfo...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.15.242, 172.67.208.212
		IPv6 hints	2606:4700:3031::6815:ff2, 2606:4700:3035::ac43:d0d4
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=129, name=cloudflare-ech.com
SOA	`gene.ns.cloudflare.com`dns@cloudflare.com serial=2406184646

`it`

	DNSSEC	🔒 Signed (DS record present)
	NS	`dns.nic.it` ⭐
	NS	`a.dns.it`
	NS	`m.dns.it`
	NS	`nameserver.cnr.it`
	NS	`r.dns.it`
	NS	`v.dns.it`
	SOA	`dns.nic.it`hostmaster@nic.it 2026-07-05 #4

Same first word

Similar names

knowledgecross.com

DNS History

19 records (8 active, 11 former)

○NSa.dns.gandi.net2015-07-18 → 2017-10-03 · 4 obs

● 2015-07-18 17:02:40
● 2017-10-03 01:13:58
○ 2026-03-21 14:00:24
○ 2026-07-05 03:05:24

○NSb.dns.gandi.net2015-07-18 → 2017-10-03 · 4 obs

● 2015-07-18 17:02:40
● 2017-10-03 01:13:58
○ 2026-03-21 14:00:24
○ 2026-07-05 03:05:24

○NSc.dns.gandi.net2015-07-18 → 2017-10-03 · 4 obs

● 2015-07-18 17:02:40
● 2017-10-03 01:13:58
○ 2026-03-21 14:00:24
○ 2026-07-05 03:05:24

●NSgene.ns.cloudflare.com2026-03-21 → 2026-07-05 · 3 obs

○ 2017-10-03 01:13:58
● 2026-03-21 14:00:24
● 2026-07-05 03:05:24

●NSigor.ns.cloudflare.com2026-03-21 → 2026-07-05 · 3 obs

○ 2017-10-03 01:13:58
● 2026-03-21 14:00:24
● 2026-07-05 03:05:24

●MXfb.mail.gandi.net2015-07-18 → 2026-07-05 · 2 obs

● 2015-07-18 17:02:40
● 2026-07-05 03:05:24

●MXspool.mail.gandi.net2015-07-18 → 2026-07-05 · 2 obs

● 2015-07-18 17:02:40
● 2026-07-05 03:05:24

●A104.21.15.2422026-06-01 → 2026-07-05 · 4 obs

○ 2026-03-21 14:00:24
● 2026-06-01 11:17:38
○ 2026-06-21 13:28:00
● 2026-07-05 03:05:24

○A168.63.11.212015-07-18 → 2015-07-18 · 3 obs

● 2015-07-18 17:02:40
○ 2015-12-12 11:21:54
○ 2026-07-05 03:05:24

●A172.67.208.2122026-06-01 → 2026-07-05 · 4 obs

○ 2026-03-21 14:00:24
● 2026-06-01 11:17:38
○ 2026-06-21 13:28:00
● 2026-07-05 03:05:24

○A188.114.96.02026-03-21 → 2026-06-21 · 5 obs

○ 2017-10-03 01:13:58
● 2026-03-21 14:00:24
○ 2026-06-01 11:17:38
● 2026-06-21 13:28:00
○ 2026-07-05 03:05:24

○A188.114.97.02026-03-21 → 2026-06-21 · 5 obs

○ 2017-10-03 01:13:58
● 2026-03-21 14:00:24
○ 2026-06-01 11:17:38
● 2026-06-21 13:28:00
○ 2026-07-05 03:05:24

○A217.70.184.382015-12-12 → 2017-10-03 · 5 obs

○ 2015-07-18 17:02:40
● 2015-12-12 11:21:54
● 2017-10-03 01:13:58
○ 2026-03-21 14:00:24
○ 2026-07-05 03:05:24

●A2606:4700:3031::6815:ff22026-07-05 → 2026-07-05 · 2 obs

○ 2026-06-21 13:28:00
● 2026-07-05 03:05:24

○A2606:4700:3033::ac43:d0d42026-06-01 → 2026-06-01 · 4 obs

○ 2026-03-21 14:00:24
● 2026-06-01 11:17:38
○ 2026-06-21 13:28:00
○ 2026-07-05 03:05:24

●A2606:4700:3035::ac43:d0d42026-07-05 → 2026-07-05 · 2 obs

○ 2026-06-21 13:28:00
● 2026-07-05 03:05:24

○A2606:4700:3036::6815:ff22026-06-01 → 2026-06-01 · 4 obs

○ 2026-03-21 14:00:24
● 2026-06-01 11:17:38
○ 2026-06-21 13:28:00
○ 2026-07-05 03:05:24

○A2a06:98c1:3120::2026-03-21 → 2026-06-21 · 5 obs

○ 2017-10-03 01:13:58
● 2026-03-21 14:00:24
○ 2026-06-01 11:17:38
● 2026-06-21 13:28:00
○ 2026-07-05 03:05:24

○A2a06:98c1:3121::2026-03-21 → 2026-06-21 · 5 obs

○ 2017-10-03 01:13:58
● 2026-03-21 14:00:24
○ 2026-06-01 11:17:38
● 2026-06-21 13:28:00
○ 2026-07-05 03:05:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
it	dns.nic.it, m.dns.it, a.dns.it, r.dns.it...	-
crossknowledge.it	igor.ns.cloudflare.com, gene.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.158

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for crossknowledge.it (unsigned zone)

⏱️ Timing

Total: 1634ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.15.242, 172.67.208.212`
AAAA	2	`2606:4700:3035::ac43:d0d4, 2606:4700:3031::6815:ff2`
NS	2	`gene.ns.cloudflare.com, igor.ns.cloudflare.com`
MX	2	`spool.mail.gandi.net (pri: 10), fb.mail.gandi.net (pri: 50)`
TXT	1	`v=spf1 mx ptr include:servers.mcsv.net i`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`gene.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

crossknowledge.it points to the four IP addresses 104.21.15.242, 172.67.208.212, 2606:4700:3031::6815:ff2 and 2606:4700:3035::ac43:d0d4.

elrasi-varicex.com, mail.svarn.com, metrolagu76.com and two other host names share IP numbers with crossknowledge.it.

Name Servers

crossknowledge.it is delegated to two name servers: gene.ns.cloudflare.com and igor.ns.cloudflare.com.

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

At least some of crossknowledge.it's name servers are shared with other domains, for example hzjiamao.com, busvic.asn.au, weiss-invest.com and two more.

These name servers tend to be used in conjunction with the name servers eva.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

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

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

Mail Servers

Mail for crossknowledge.it is handled by two mail servers — fb.mail.gandi.net and spool.mail.gandi.net.

crossknowledge.it uses an identical mail server configuration to several other domains — among them sportisgood.at, webaccueil.com, nurykabe.com and two more.

Hostnames that resolve to 6 IP addresses:

fb.mail.gandi.net resolves to 217.70.178.215, 217.70.178.216, 217.70.178.217 and 3 other IP addresses.

Hostnames that resolve to two IP addresses:

spool.mail.gandi.net points to 217.70.178.1 and 2001:4b98:e00::1.