`educationaltools.cyou`

DNSSEC	⚠️ Not signed
A	51.81.35.165^{🇺🇸 OVH51.81.0.0/17 Hosting route}
		PTR	`vps-72fd9f60.vps.ovh.us`
NS	`curitiba.ns.porkbun.com` ⭐
		A	2400:cb00:2049:1::adf5:3a25^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	173.245.58.37^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`fortaleza.ns.porkbun.com`
		A	2400:cb00:2049:1::a29f:88c^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.8.140^{Cloudflare162.159.8.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`maceio.ns.porkbun.com`
		A	2400:cb00:2049:1::a29f:bb4^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.11.180^{Cloudflare162.159.11.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`salvador.ns.porkbun.com`
		A	2400:cb00:2049:1::a29f:a96^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.10.150^{Cloudflare162.159.10.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
SOA	`curitiba.ns.porkbun.com`dns@cloudflare.com serial=2396487086

`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=1776486101

📈 Tranco rank: #892,833

Subdomains

reading.educationaltools.cyou

Same first word

educationaltools.cyou

educationaltools.net

DNS History

5 records (5 active, 0 former)

●NScuritiba.ns.porkbun.com2026-04-04 → 2026-04-18 · 2 obs

● 2026-04-04 03:33:40
● 2026-04-18 04:30:16

●NSfortaleza.ns.porkbun.com2026-04-04 → 2026-04-18 · 2 obs

● 2026-04-04 03:33:40
● 2026-04-18 04:30:16

●NSmaceio.ns.porkbun.com2026-04-04 → 2026-04-18 · 2 obs

● 2026-04-04 03:33:40
● 2026-04-18 04:30:16

●NSsalvador.ns.porkbun.com2026-04-04 → 2026-04-18 · 2 obs

● 2026-04-04 03:33:40
● 2026-04-18 04:30:16

●A51.81.35.1652026-04-04 → 2026-04-18 · 2 obs

● 2026-04-04 03:33:40
● 2026-04-18 04:30:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cyou	a.nic.cyou, b.nic.cyou, c.nic.cyou, d.nic.cyou	8 records
educationaltools.cyou	maceio.ns.porkbun.com, curitiba.ns.porkbun.com, salvador.ns.porkbun.com, fortaleza.ns.porkbun.com	-

✅ Authoritative Response

Server:162.159.8.140

NS records: maceio.ns.porkbun.com, curitiba.ns.porkbun.com, salvador.ns.porkbun.com, fortaleza.ns.porkbun.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for educationaltools.cyou (unsigned zone)

⏱️ Timing

Total: 407ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`51.81.35.165`
NS	4	`curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com...`
SOA	1	`curitiba.ns.porkbun.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 8

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

Analysis

Hierarchy

educationaltools.cyou is a parent of reading.educationaltools.cyou.

IP Addresses

educationaltools.cyou points to a single IP address: 51.81.35.165.

Other host names such as 987654update.8765432beta.wwwas.51-81-35-165.nip.io, wwwas.51-81-35-165.nip.io, 1234learning.nicher.cl, reading.educationaltools.cyou and credit.riesgocrediticio.com share IP numbers with educationaltools.cyou.

Name Servers

educationaltools.cyou is delegated to four name servers: curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com, maceio.ns.porkbun.com and salvador.ns.porkbun.com.

At least part of the name servers for educationaltools.cyou are shared with other domains, for instance hkonlines.com, jasonbkessler.com, orgovo.com, born.black and com-web.org.

Host names with two IP numbers:

curitiba.ns.porkbun.com points to: 2400:cb00:2049:1::adf5:3a25 and 173.245.58.37

fortaleza.ns.porkbun.com points to: 2400:cb00:2049:1::a29f:88c and 162.159.8.140

maceio.ns.porkbun.com points to: 2400:cb00:2049:1::a29f:bb4 and 162.159.11.180

salvador.ns.porkbun.com points to: 2400:cb00:2049:1::a29f:a96 and 162.159.10.150

educationaltools.cyou - robtex.com