`openauthentication.cyou`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:3d76^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:d244^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.61.118^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.210.68^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`joel.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bb8^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`joel.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1b8^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`joel.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21b8^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`joel.ns.cloudflare.com`
		A	108.162.193.184^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`joel.ns.cloudflare.com`
		A	172.64.33.184^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`joel.ns.cloudflare.com`
		A	173.245.59.184^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`joel.ns.cloudflare.com`
NS	`lia.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ab9^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lia.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0b9^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lia.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20b9^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lia.ns.cloudflare.com`
		A	108.162.192.185^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lia.ns.cloudflare.com`
		A	172.64.32.185^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lia.ns.cloudflare.com`
		A	173.245.58.185^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lia.ns.cloudflare.com`
MX	`route3.mx.cloudflare.net` ⭐
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
MX	`route2.mx.cloudflare.net`⁽³¹⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
MX	`route1.mx.cloudflare.net`⁽⁴⁷⁾
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.61.118, 172.67.210.68
		IPv6 hints	2606:4700:3035::6815:3d76, 2606:4700:3036::ac43:d244
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=33, name=cloudflare-ech.com
SOA	`joel.ns.cloudflare.com`dns@cloudflare.com serial=2409473256

`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=1786550710

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

Same first word

openauthentication.cyou

openauthentication.org

DNS History

13 records (9 active, 4 former)

●NSjoel.ns.cloudflare.com2026-07-25 → 2026-08-12 · 2 obs

● 2026-07-25 02:48:08
● 2026-08-12 16:12:44

●NSlia.ns.cloudflare.com2026-07-25 → 2026-08-12 · 2 obs

● 2026-07-25 02:48:08
● 2026-08-12 16:12:44

●MXroute1.mx.cloudflare.net2026-07-25 → 2026-08-12 · 2 obs

● 2026-07-25 02:48:08
● 2026-08-12 16:12:44

●MXroute2.mx.cloudflare.net2026-07-25 → 2026-08-12 · 2 obs

● 2026-07-25 02:48:08
● 2026-08-12 16:12:44

●MXroute3.mx.cloudflare.net2026-07-25 → 2026-08-12 · 2 obs

● 2026-07-25 02:48:08
● 2026-08-12 16:12:44

●A104.21.61.1182026-08-12 → 2026-08-12 · 2 obs

○ 2026-07-25 02:48:08
● 2026-08-12 16:12:44

●A172.67.210.682026-08-12 → 2026-08-12 · 2 obs

○ 2026-07-25 02:48:08
● 2026-08-12 16:12:44

○A188.114.96.02026-07-25 → 2026-07-25 · 2 obs

● 2026-07-25 02:48:08
○ 2026-08-12 16:12:44

○A188.114.97.02026-07-25 → 2026-07-25 · 2 obs

● 2026-07-25 02:48:08
○ 2026-08-12 16:12:44

●A2606:4700:3035::6815:3d762026-08-12 → 2026-08-12 · 2 obs

○ 2026-07-25 02:48:08
● 2026-08-12 16:12:44

●A2606:4700:3036::ac43:d2442026-08-12 → 2026-08-12 · 2 obs

○ 2026-07-25 02:48:08
● 2026-08-12 16:12:44

○A2a06:98c1:3120::2026-07-25 → 2026-07-25 · 2 obs

● 2026-07-25 02:48:08
○ 2026-08-12 16:12:44

○A2a06:98c1:3121::2026-07-25 → 2026-07-25 · 2 obs

● 2026-07-25 02:48:08
○ 2026-08-12 16:12:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cyou	b.nic.cyou, a.nic.cyou, d.nic.cyou, c.nic.cyou	8 records
openauthentication.cyou	lia.ns.cloudflare.com, joel.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.185

NS records: lia.ns.cloudflare.com, joel.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for openauthentication.cyou (unsigned zone)

⏱️ Timing

Total: 366ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.61.118, 172.67.210.68`
AAAA	2	`2606:4700:3035::6815:3d76, 2606:4700:3036::ac43:d244`
NS	2	`joel.ns.cloudflare.com, lia.ns.cloudflare.com`
MX	3	`route3.mx.cloudflare.net (pri: 21), route2.mx.cloudflare.net (pri: 31)...`
TXT	1	`v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`joel.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 8

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

Analysis

IP Addresses

openauthentication.cyou has four IP addresses: 104.21.61.118, 172.67.210.68, 2606:4700:3035::6815:3d76 and 2606:4700:3036::ac43:d244.

Among the host names that share IP numbers with openauthentication.cyou are www.manakamanacablecar.com, kzby.cn, greatmusicstore.com and two others.

Name Servers

openauthentication.cyou is served by two delegated name servers, joel.ns.cloudflare.com and lia.ns.cloudflare.com.

openauthentication.cyou has the same name server delegation as a number of other domains, such as openminimalistbase.cyou, heartandsoulleadership.com, testmapotic.com and two more.

openauthentication.cyou has at least partial name server overlap with other domains, such as newbooksmag.com, lilybeanespresso.com, lulichlandscaping.com and two others.

These name servers tend to appear together with the name servers quentin.ns.cloudflare.com, april.ns.cloudflare.com and lana.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

joel.ns.cloudflare.com carries IP addresses 108.162.193.184, 172.64.33.184 and 173.245.59.184, with 3 other addresses beyond those.

lia.ns.cloudflare.com carries IP addresses 108.162.192.185, 172.64.32.185 and 173.245.58.185, with 3 other addresses beyond those.

Mail Servers

openauthentication.cyou has three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

openauthentication.cyou shares at least some of its mail servers with other domains — for example u23.altospam.net.net, mamtorebke.pl, zajacdoorsandwindows.com and two more.

Host names resolving to 6 IP numbers:

route1.mx.cloudflare.net carries IP addresses 162.159.205.11, 162.159.205.12 and 162.159.205.13, with 3 other addresses beyond those.

route2.mx.cloudflare.net carries IP addresses 162.159.205.17, 162.159.205.18 and 162.159.205.19, with 3 other addresses beyond those.

route3.mx.cloudflare.net carries IP addresses 162.159.205.23, 162.159.205.24 and 162.159.205.25, with 3 other addresses beyond those.

openauthentication.cyou - robtex.com