study4class.pro - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`study4class.pro`

DNSSEC	⚠️ Not signed
A	104.21.94.121^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.223.70^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dave.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b6d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dave.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c16d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dave.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:216d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dave.ns.cloudflare.com`
		A	108.162.193.109^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dave.ns.cloudflare.com`
		A	172.64.33.109^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dave.ns.cloudflare.com`
		A	173.245.59.109^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dave.ns.cloudflare.com`
NS	`lady.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a7f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lady.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c07f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lady.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:207f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lady.ns.cloudflare.com`
		A	108.162.192.127^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lady.ns.cloudflare.com`
		A	172.64.32.127^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lady.ns.cloudflare.com`
		A	173.245.58.127^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lady.ns.cloudflare.com`
TXT	`anybacklink-verify=e0cc5ac1cb7e3043a6cb2e64a66d01de`
TXT	`google-site-verification=oKkicV_45qBmnEkTrTO7QFb_dZ6tQZqlz9XEQwtZEVU`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.94.121, 172.67.223.70
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=39, name=cloudflare-ech.com
SOA	`dave.ns.cloudflare.com`dns@cloudflare.com serial=2419564344

`pro`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.pro.afilias-nst.info` ⭐
	NS	`a2.pro.afilias-nst.info`
	NS	`b0.pro.afilias-nst.org`
	NS	`b2.pro.afilias-nst.org`
	NS	`c0.pro.afilias-nst.info`
	NS	`d0.pro.afilias-nst.org`
	SOA	`a0.pro.afilias-nst.info`hostmaster@donuts.email serial=1794561979

Same first word

study4class.com

study4class.pro

Previous names

Next names

DNS History

10 records (4 active, 6 former)

●NSdave.ns.cloudflare.com2026-10-23 → 2026-11-13 · 2 obs

● 2026-10-23 15:23:30
● 2026-11-13 10:10:52

●NSlady.ns.cloudflare.com2026-10-23 → 2026-11-13 · 2 obs

● 2026-10-23 15:23:30
● 2026-11-13 10:10:52

●A104.21.94.1212026-10-23 → 2026-11-13 · 3 obs

○ 2026-10-23 15:23:30
● 2026-10-23 16:31:02
● 2026-11-13 10:10:52

●A172.67.223.702026-10-23 → 2026-11-13 · 3 obs

○ 2026-10-23 15:23:30
● 2026-10-23 16:31:02
● 2026-11-13 10:10:52

○A188.114.96.02026-10-23 → 2026-10-23 · 3 obs

● 2026-10-23 15:23:30
○ 2026-10-23 16:31:02
○ 2026-11-13 10:10:52

○A188.114.97.02026-10-23 → 2026-10-23 · 3 obs

● 2026-10-23 15:23:30
○ 2026-10-23 16:31:02
○ 2026-11-13 10:10:52

○A2606:4700:3033::ac43:df462026-10-23 → 2026-10-23 · 4 obs

○ 2026-10-23 15:23:30
● 2026-10-23 16:31:02
○ 2026-11-13 09:54:26
○ 2026-11-13 10:10:52

○A2606:4700:3036::6815:5e792026-10-23 → 2026-10-23 · 4 obs

○ 2026-10-23 15:23:30
● 2026-10-23 16:31:02
○ 2026-11-13 09:54:26
○ 2026-11-13 10:10:52

○A2a06:98c1:3120::2026-10-23 → 2026-10-23 · 3 obs

● 2026-10-23 15:23:30
○ 2026-10-23 16:31:02
○ 2026-11-13 10:10:52

○A2a06:98c1:3121::2026-10-23 → 2026-10-23 · 3 obs

● 2026-10-23 15:23:30
○ 2026-10-23 16:31:02
○ 2026-11-13 10:10:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pro	a0.pro.afilias-nst.info, a2.pro.afilias-nst.info, b0.pro.afilias-nst.org, b2.pro.afilias-nst.org...	-
study4class.pro	lady.ns.cloudflare.com, dave.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.127

NS records: lady.ns.cloudflare.com, dave.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for study4class.pro (unsigned zone)

⏱️ Timing

Total: 1039ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.223.70, 104.21.94.121`
NS	2	`dave.ns.cloudflare.com, lady.ns.cloudflare.com`
TXT	2	`anybacklink-verify=e0cc5ac1cb7e3043a6cb2, google-site-verification=oKkicV_45qBmnEk`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dave.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

study4class.pro resolves to the IP addresses 104.21.94.121 and 172.67.223.70

zarnovexa.com, enzo-casino.ae.org, villainkissimmee.co.uk and two other host names share IP numbers with study4class.pro.

Name Servers

study4class.pro is served by two delegated name servers, dave.ns.cloudflare.com and lady.ns.cloudflare.com.

study4class.pro uses the same name servers as several other domains — among them listalyze.com, halomam.id, frog-lol.pages.dev and two more.

study4class.pro partially shares its NS delegation with several other domains, including hypermailai.workers.dev, cellservicemap.com, jasongperezm.pages.dev and two others.

These name servers are regularly seen alongside mimi.ns.cloudflare.com and marissa.ns.cloudflare.com as name servers.

Hostnames that resolve to 6 IP addresses:

dave.ns.cloudflare.com carries IP addresses 108.162.193.109, 172.64.33.109 and 173.245.59.109, with 3 other addresses beyond those.

lady.ns.cloudflare.com carries IP addresses 108.162.192.127, 172.64.32.127 and 173.245.58.127, with 3 other addresses beyond those.