kstudy.dev - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`kstudy.dev`

	DNSSEC	⚠️ Not signed
	NS	`etta.ns.cloudflare.com` ⭐
	NS	`fred.ns.cloudflare.com`
	SOA	`etta.ns.cloudflare.com`dns@cloudflare.com serial=2418573271

`dev`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=1

🔒 HSTS Preload (+subdomains)

Same first word

kstudy.pages.dev

kstudy.app

kstudy.com.tw

kstudy.academy

kstudy.onrender.com

kstudy.in

kstudy.edu.vn

kstudy.com

kstudy.xyz

kstudy.com.cn

kstudy.net

kstudy.dev

kstudy.co.kr

kstudy.blog

kstudy.com.au

kstudy.my

kstudy.ca

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tdukys.com

tuykds.shop

studyk.ink

studyk.co.kr

dutsky.com

ksutyd.pages.dev

yustkd.ca

studyk.com

udstyk.dk

studyk.cn

duskty.workers.dev

ydskut.pages.dev

skyutd.com

usytkd.com

yktdsu.info

yutsdk.site

DNS History

2 records (2 active, 0 former)

●NSetta.ns.cloudflare.com2026-10-27 → 2026-10-30 · 2 obs

● 2026-10-27 07:34:06
● 2026-10-30 02:25:26

●NSfred.ns.cloudflare.com2026-10-27 → 2026-10-30 · 2 obs

● 2026-10-27 07:34:06
● 2026-10-30 02:25:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
kstudy.dev	fred.ns.cloudflare.com, etta.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.113

NS records: fred.ns.cloudflare.com, etta.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

Root DNSKEY fetch failed: Error: connect EADDRNOTAVAIL 198.41.0.4:53 - Local (0.0.0.0:0)

⏱️ Timing

Total: 497ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`etta.ns.cloudflare.com, fred.ns.cloudflare.com`
SOA	1	`etta.ns.cloudflare.com dns.cloudflare.co`

Analysis

Name Servers

kstudy.dev uses two name servers for its delegation: etta.ns.cloudflare.com and fred.ns.cloudflare.com.