🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`corporateknowledgebuild.cyou`

DNSSEC	⚠️ Not signed
A	2606:4700:3037::6815:322b^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:c8bd^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.50.43^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.200.189^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`camilo.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c76^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`camilo.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c376^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`camilo.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2376^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`camilo.ns.cloudflare.com`
		A	108.162.195.118^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`camilo.ns.cloudflare.com`
		A	162.159.44.118^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`camilo.ns.cloudflare.com`
		A	172.64.35.118^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`camilo.ns.cloudflare.com`
NS	`gwen.ns.cloudflare.com`
		A	2606:4700:50::adf5:3aa0^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gwen.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0a0^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`gwen.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20a0^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`gwen.ns.cloudflare.com`
		A	108.162.192.160^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gwen.ns.cloudflare.com`
		A	172.64.32.160^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gwen.ns.cloudflare.com`
		A	173.245.58.160^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gwen.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.50.43, 172.67.200.189
		IPv6 hints	2606:4700:3037::6815:322b, 2606:4700:3037::ac43:c8bd
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=193, name=cloudflare-ech.com
SOA	`camilo.ns.cloudflare.com`dns@cloudflare.com serial=2410793835

`cyou`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns0.centralnic.net` ⭐
	NS	`a.nic.cyou`
	NS	`b.nic.cyou`
	NS	`c.nic.cyou`
	NS	`d.nic.cyou`
	SOA	`ns0.centralnic.net`hostmaster@centralnic.net serial=1786969871

⚠️ On DNS blocklist: tif
⚠️ On DNS blocklist: spam-tlds

Same first word

corporateknowledgebuild.cyou

DNS History

6 records (6 active, 0 former)

●NScamilo.ns.cloudflare.com2026-08-02 → 2026-08-17 · 2 obs

● 2026-08-02 05:37:20
● 2026-08-17 12:45:42

●NSgwen.ns.cloudflare.com2026-08-02 → 2026-08-17 · 2 obs

● 2026-08-02 05:37:20
● 2026-08-17 12:45:42

●A104.21.50.432026-08-02 → 2026-08-17 · 2 obs

● 2026-08-02 05:37:20
● 2026-08-17 12:45:42

●A172.67.200.1892026-08-02 → 2026-08-17 · 2 obs

● 2026-08-02 05:37:20
● 2026-08-17 12:45:42

●A2606:4700:3037::6815:322b2026-08-02 → 2026-08-17 · 2 obs

● 2026-08-02 05:37:20
● 2026-08-17 12:45:42

●A2606:4700:3037::ac43:c8bd2026-08-02 → 2026-08-17 · 2 obs

● 2026-08-02 05:37:20
● 2026-08-17 12:45:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cyou	a.nic.cyou, b.nic.cyou, c.nic.cyou, d.nic.cyou	8 records
corporateknowledgebuild.cyou	camilo.ns.cloudflare.com, gwen.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.160

NS records: camilo.ns.cloudflare.com, gwen.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for corporateknowledgebuild.cyou (unsigned zone)

⏱️ Timing

Total: 434ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.200.189, 104.21.50.43`
AAAA	2	`2606:4700:3037::ac43:c8bd, 2606:4700:3037::6815:322b`
NS	2	`camilo.ns.cloudflare.com, gwen.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`camilo.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 8

In-bailiwick: 8 (a.nic.cyou, a.nic.cyou, b.nic.cyou...)

Analysis

IP Addresses

corporateknowledgebuild.cyou points to the four IP addresses 104.21.50.43, 172.67.200.189, 2606:4700:3037::6815:322b and 2606:4700:3037::ac43:c8bd.

Two other host names, along with deployworks.co, loravinstqmpa.com and mihalko.eu, also share IP numbers with corporateknowledgebuild.cyou.

Name Servers

corporateknowledgebuild.cyou is served by two delegated name servers, camilo.ns.cloudflare.com and gwen.ns.cloudflare.com.

corporateknowledgebuild.cyou shares its NS records with other domains, for example leadershiptraits.sbs, jlbelt.com, execstrategicguide.click and two others.

At least some of corporateknowledgebuild.cyou's name servers are shared with other domains, for example ggits.org, chortkivinfo.org.ua, claytonofhendersontx.com and two more.

These name servers tend to co-occur with theo.ns.cloudflare.com, sasha.ns.cloudflare.com, maria.ns.cloudflare.com and 3 other name servers in the same DNS delegations.

DNS names with 6 IP addresses:

camilo.ns.cloudflare.com carries IP addresses 108.162.195.118, 162.159.44.118 and 172.64.35.118, with 3 other addresses beyond those.

gwen.ns.cloudflare.com carries IP addresses 108.162.192.160, 172.64.32.160 and 173.245.58.160, with 3 other addresses beyond those.

corporateknowledgebuild.cyou - robtex.com