🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`study-stack.com`

DNSSEC	⚠️ Not signed
A	216.150.1.193^{🇨🇦 Amazon216.150.1.0/24 EC2 Prefix}
A	216.150.16.193^{🇨🇦 Amazon216.150.16.0/24 EC2 Prefix}
NS	`lee.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b81^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lee.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c181^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lee.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2181^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lee.ns.cloudflare.com`
		A	108.162.193.129^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lee.ns.cloudflare.com`
		A	172.64.33.129^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lee.ns.cloudflare.com`
		A	173.245.59.129^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lee.ns.cloudflare.com`
NS	`mckenzie.ns.cloudflare.com`
		A	2606:4700:50::a29f:26fd^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mckenzie.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2fd^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`mckenzie.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22fd^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`mckenzie.ns.cloudflare.com`
		A	108.162.194.253^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mckenzie.ns.cloudflare.com`
		A	162.159.38.253^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mckenzie.ns.cloudflare.com`
		A	172.64.34.253^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mckenzie.ns.cloudflare.com`
SOA	`lee.ns.cloudflare.com`dns@cloudflare.com serial=2416855060

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1794568026

Same first word

study-stack.ru

study-stack.shop

study-stack.com

study-stack.workers.dev

Similar names

acstudy-kst.edu.kz

Previous names

Next names

DNS History

6 records (4 active, 2 former)

●NSlee.ns.cloudflare.com2026-08-24 → 2026-11-13 · 2 obs

● 2026-08-24 16:59:26
● 2026-11-13 11:21:42

●NSmckenzie.ns.cloudflare.com2026-08-24 → 2026-11-13 · 2 obs

● 2026-08-24 16:59:26
● 2026-11-13 11:21:42

○A216.150.1.12026-08-24 → 2026-08-24 · 3 obs

● 2026-08-24 16:59:26
○ 2026-11-13 11:21:36
○ 2026-11-13 11:21:42

●A216.150.1.1932026-11-13 → 2026-11-13 · 3 obs

○ 2026-08-24 16:59:26
● 2026-11-13 11:21:36
● 2026-11-13 11:21:42

○A216.150.16.12026-08-24 → 2026-08-24 · 3 obs

● 2026-08-24 16:59:26
○ 2026-11-13 11:21:36
○ 2026-11-13 11:21:42

●A216.150.16.1932026-11-13 → 2026-11-13 · 3 obs

○ 2026-08-24 16:59:26
● 2026-11-13 11:21:36
● 2026-11-13 11:21:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
study-stack.com	lee.ns.cloudflare.com, mckenzie.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.253

NS records: lee.ns.cloudflare.com, mckenzie.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: 80ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`216.150.1.193, 216.150.16.193`
NS	2	`lee.ns.cloudflare.com, mckenzie.ns.cloudflare.com`
SOA	1	`lee.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (lee.ns.cloudflare.com, lee.ns.cloudflare.com, lee.ns.cloudflare.com...)

Analysis

IP Addresses

study-stack.com has two IP addresses: 216.150.1.193 and 216.150.16.193

Among the host names that share IP numbers with study-stack.com are koinoniacoons.org, aidenialwarriors.com, tazama.dev and two others.

Name Servers

The NS records for study-stack.com delegate to lee.ns.cloudflare.com and mckenzie.ns.cloudflare.com.

study-stack.com has the same name server delegation as a number of other domains, such as drivefoundhq.co, plane-8qa.pages.dev, ealba.workers.dev and two more.

At least some of study-stack.com's name servers are shared with other domains, for example nathanjacobmoore.com, theleadershipcirle.com, walmarti.com.br and two more.

These name servers tend to be deployed in combination with the name servers lucy.ns.cloudflare.com and jasmine.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

lee.ns.cloudflare.com maps to 108.162.193.129, 172.64.33.129, 173.245.59.129 and 3 additional IP addresses.

mckenzie.ns.cloudflare.com maps to 108.162.194.253, 162.159.38.253, 172.64.34.253 and 3 additional IP addresses.

study-stack.com - robtex.com

study-stack.com

com