🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`studycat.cn`

DNSSEC	⚠️ Not signed
A	91.212.45.148^{🇳🇱 ROYALE-AS91.212.45.0/24}
		PTR	`hosted-by.royalehosting.net`
NS	`denver.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cc4^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`denver.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3c4^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`denver.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23c4^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`denver.ns.cloudflare.com`
		A	108.162.195.196^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`denver.ns.cloudflare.com`
		A	162.159.44.196^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`denver.ns.cloudflare.com`
		A	172.64.35.196^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`denver.ns.cloudflare.com`
NS	`elsa.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a6f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elsa.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c06f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`elsa.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:206f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`elsa.ns.cloudflare.com`
		A	108.162.192.111^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elsa.ns.cloudflare.com`
		A	172.64.32.111^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elsa.ns.cloudflare.com`
		A	173.245.58.111^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elsa.ns.cloudflare.com`
SOA	`denver.ns.cloudflare.com`dns@cloudflare.com serial=2417290146

`cn`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.cn` ⭐
	NS	`b.dns.cn`
	NS	`c.dns.cn`
	NS	`d.dns.cn`
	NS	`e.dns.cn`
	NS	`ns.cernet.net` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2035465263

Same first word

studycat.net

studycat.cn

studycat.co.uk

studycat.pages.dev

studycat.ai

studycat.su

studycat.com

studycat.tools

studycat.ru

studycat.app

studycat.com.ua

Similar names

Previous names

studyaustralia.cn

studyb2b.cn

studybaltics.cn

studybar.cn

studybase.cn

studybetter.cn

studybi.cn

studyblog.cn

studybook.cn

studybox.cn

studyboy.cn

studybuddy.cn

studybus.cn

studyca.cn

studycafe.cn

studycanada.cn

Next names

DNS History

3 records (3 active, 0 former)

●NSdenver.ns.cloudflare.com2026-07-07 → 2026-10-21 · 2 obs

● 2026-07-07 11:41:28
● 2026-10-21 18:50:58

●NSelsa.ns.cloudflare.com2026-07-07 → 2026-10-21 · 2 obs

● 2026-07-07 11:41:28
● 2026-10-21 18:50:58

●A91.212.45.1482026-07-07 → 2026-10-21 · 4 obs

● 2026-07-07 11:41:28
○ 2026-08-29 21:02:56
● 2026-10-10 16:34:46
● 2026-10-21 18:50:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	11 records
studycat.cn	elsa.ns.cloudflare.com, denver.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.111

NS records: elsa.ns.cloudflare.com, denver.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studycat.cn (unsigned zone)

⏱️ Timing

Total: 2021ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`91.212.45.148`
NS	2	`denver.ns.cloudflare.com, elsa.ns.cloudflare.com`
SOA	1	`denver.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 11

In-bailiwick: 10 (a.dns.cn, b.dns.cn, c.dns.cn...)

Out-of-bailiwick: 1 (ns.cernet.net)

Analysis

IP Addresses

studycat.cn points to a single IP number: 91.212.45.148.

Other hosts including zjhngxqzgh.com, zjyouth.cn and ipowers.cn share IP addresses with studycat.cn.

Name Servers

Two name servers handle the delegation for studycat.cn: denver.ns.cloudflare.com and elsa.ns.cloudflare.com.

studycat.cn shares its name server setup with other domains, including westgamesjki.live, cjpddw.cn, 3g-sdi.com.cn and two others.

There is at least partial name server overlap between studycat.cn and other domains — baha-ullah.org, ksa-mishkat.com, kongduan.com and two more among them.

The name servers lily.ns.cloudflare.com, fred.ns.cloudflare.com and jill.ns.cloudflare.com are often found in combination with these name servers.

Host names with 6 IP numbers:

denver.ns.cloudflare.com resolves to 108.162.195.196, 162.159.44.196 and 172.64.35.196 among others, with 3 other IP addresses in total.

elsa.ns.cloudflare.com resolves to 108.162.192.111, 172.64.32.111 and 173.245.58.111 among others, with 3 other IP addresses in total.

studycat.cn - robtex.com

studycat.cn

cn