studism.com - dns.ninja

`studism.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:8f5c^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:5780^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.87.128^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.143.92^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`lennox.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cd6^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lennox.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3d6^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lennox.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23d6^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lennox.ns.cloudflare.com`
		A	108.162.195.214^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	162.159.44.214^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.35.214^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`roxy.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a8e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`roxy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c08e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`roxy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:208e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`roxy.ns.cloudflare.com`
		A	108.162.192.142^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`roxy.ns.cloudflare.com`
		A	172.64.32.142^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`roxy.ns.cloudflare.com`
		A	173.245.58.142^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`roxy.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.87.128, 172.67.143.92
		IPv6 hints	2606:4700:3031::ac43:8f5c, 2606:4700:3037::6815:5780
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=24, name=cloudflare-ech.com
SOA	`lennox.ns.cloudflare.com`dns@cloudflare.com serial=2406149117

`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=1782659760

Same first word

studism.com

Similar names

sutidms.com

studsmi.ru

DNS History

20 records (6 active, 14 former)

○NSdns10.hichina.com2015-11-09 → 2017-09-07 · 5 obs

○ 2008-03-08 06:41:30
● 2015-11-09 08:57:44
● 2017-09-07 06:37:54
○ 2026-02-15 05:32:30
○ 2026-06-28 15:37:42

○NSdns9.hichina.com2015-11-09 → 2017-09-07 · 5 obs

○ 2008-03-08 06:41:30
● 2015-11-09 08:57:44
● 2017-09-07 06:37:54
○ 2026-02-15 05:32:30
○ 2026-06-28 15:37:42

●NSlennox.ns.cloudflare.com2026-02-15 → 2026-06-28 · 3 obs

○ 2017-09-07 06:37:54
● 2026-02-15 05:32:30
● 2026-06-28 15:37:42

○NSns35.domaincontrol.com2008-03-08 → 2008-03-08 · 3 obs

● 2008-03-08 06:41:30
○ 2015-11-09 08:57:44
○ 2026-06-28 15:37:42

○NSns36.domaincontrol.com2008-03-08 → 2008-03-08 · 3 obs

● 2008-03-08 06:41:30
○ 2015-11-09 08:57:44
○ 2026-06-28 15:37:42

●NSroxy.ns.cloudflare.com2026-02-15 → 2026-06-28 · 3 obs

○ 2017-09-07 06:37:54
● 2026-02-15 05:32:30
● 2026-06-28 15:37:42

○MXmailstore1.secureserver.net2008-03-08 → 2008-03-08 · 3 obs

● 2008-03-08 06:41:30
○ 2015-11-09 08:57:44
○ 2026-06-28 15:37:42

○MXmxbiz1.qq.com2016-12-09 → 2026-02-17 · 5 obs

○ 2015-11-09 08:57:44
● 2016-12-09 13:42:08
● 2026-02-17 08:27:30
○ 2026-02-22 08:52:18
○ 2026-06-28 15:37:42

○MXmxbiz2.qq.com2016-12-09 → 2026-02-17 · 5 obs

○ 2015-11-09 08:57:44
● 2016-12-09 13:42:08
● 2026-02-17 08:27:30
○ 2026-02-22 08:52:18
○ 2026-06-28 15:37:42

○MXsmtp.secureserver.net2008-03-08 → 2008-03-08 · 3 obs

● 2008-03-08 06:41:30
○ 2015-11-09 08:57:44
○ 2026-06-28 15:37:42

●A104.21.87.1282026-02-15 → 2026-06-28 · 3 obs

○ 2017-09-07 06:37:54
● 2026-02-15 05:32:30
● 2026-06-28 15:37:42

○A139.129.146.1202015-11-09 → 2017-09-07 · 5 obs

○ 2008-03-08 06:41:30
● 2015-11-09 08:57:44
● 2017-09-07 06:37:54
○ 2026-02-15 05:32:30
○ 2026-06-28 15:37:42

●A172.67.143.922026-02-15 → 2026-06-28 · 3 obs

○ 2017-09-07 06:37:54
● 2026-02-15 05:32:30
● 2026-06-28 15:37:42

○A188.114.96.42026-02-15 → 2026-06-28 · 2 obs

○ 2026-02-15 05:32:30
○ 2026-06-28 15:37:42

○A188.114.97.42026-02-15 → 2026-06-28 · 2 obs

○ 2026-02-15 05:32:30
○ 2026-06-28 15:37:42

●A2606:4700:3031::ac43:8f5c2026-02-15 → 2026-06-28 · 3 obs

○ 2017-09-07 06:37:54
● 2026-02-15 05:32:30
● 2026-06-28 15:37:42

●A2606:4700:3037::6815:57802026-02-15 → 2026-06-28 · 3 obs

○ 2017-09-07 06:37:54
● 2026-02-15 05:32:30
● 2026-06-28 15:37:42

○A2a06:98c1:3120::2026-02-15 → 2026-06-28 · 2 obs

○ 2026-02-15 05:32:30
○ 2026-06-28 15:37:42

○A2a06:98c1:3121::2026-02-15 → 2026-06-28 · 2 obs

○ 2026-02-15 05:32:30
○ 2026-06-28 15:37:42

○A64.202.189.1702008-03-08 → 2008-03-08 · 3 obs

● 2008-03-08 06:41:30
○ 2015-11-09 08:57:44
○ 2026-06-28 15:37:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
studism.com	roxy.ns.cloudflare.com, lennox.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.214

NS records: roxy.ns.cloudflare.com, lennox.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studism.com (unsigned zone)

⏱️ Timing

Total: 141ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.143.92, 104.21.87.128`
AAAA	2	`2606:4700:3031::ac43:8f5c, 2606:4700:3037::6815:5780`
NS	2	`lennox.ns.cloudflare.com, roxy.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`lennox.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

studism.com has four IP addresses: 104.21.87.128, 172.67.143.92, 2606:4700:3031::ac43:8f5c and 2606:4700:3037::6815:5780.

Two other host names, along with cg888888.com, neolog.pl and www.ychfbl.com, also share IP numbers with studism.com.

Name Servers

studism.com has two authoritative name servers — lennox.ns.cloudflare.com and roxy.ns.cloudflare.com.

studism.com shares its NS records with other domains, for example pse.news, openaimpact.com, pelopelo.com and two others.

studism.com partially shares its NS delegation with several other domains, including solara-vibe.com, xuezhegu.com, mission2020.global and two others.

DNS names with 6 IP addresses:

lennox.ns.cloudflare.com points to 108.162.195.214, 162.159.44.214, 172.64.35.214 and 3 other IP addresses.

roxy.ns.cloudflare.com points to 108.162.192.142, 172.64.32.142, 173.245.58.142 and 3 other IP addresses.