`studellumcourses.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:587^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:857e^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.5.135^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.133.126^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`eva.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a72^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eva.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c072^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`eva.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2072^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`eva.ns.cloudflare.com`
		A	108.162.192.114^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eva.ns.cloudflare.com`
		A	172.64.32.114^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eva.ns.cloudflare.com`
		A	173.245.58.114^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eva.ns.cloudflare.com`
NS	`osmar.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c7c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`osmar.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c37c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`osmar.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:237c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`osmar.ns.cloudflare.com`
		A	108.162.195.124^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`osmar.ns.cloudflare.com`
		A	162.159.44.124^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`osmar.ns.cloudflare.com`
		A	172.64.35.124^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`osmar.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.5.135, 172.67.133.126
		IPv6 hints	2606:4700:3031::6815:587, 2606:4700:3037::ac43:857e
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=177, name=cloudflare-ech.com
SOA	`eva.ns.cloudflare.com`dns@cloudflare.com serial=2399164388

`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=1775994122

⚠️ On DNS blocklist: tif

Same first word

studellumcourses.com

DNS History

6 records (6 active, 0 former)

●NSeva.ns.cloudflare.com2026-04-02 → 2026-04-12 · 2 obs

● 2026-04-02 19:33:26
● 2026-04-12 11:47:26

●NSosmar.ns.cloudflare.com2026-04-02 → 2026-04-12 · 2 obs

● 2026-04-02 19:33:26
● 2026-04-12 11:47:26

●A104.21.5.1352026-04-02 → 2026-04-12 · 2 obs

● 2026-04-02 19:33:26
● 2026-04-12 11:47:26

●A172.67.133.1262026-04-02 → 2026-04-12 · 2 obs

● 2026-04-02 19:33:26
● 2026-04-12 11:47:26

●A2606:4700:3031::6815:5872026-04-02 → 2026-04-12 · 2 obs

● 2026-04-02 19:33:26
● 2026-04-12 11:47:26

●A2606:4700:3037::ac43:857e2026-04-02 → 2026-04-12 · 2 obs

● 2026-04-02 19:33:26
● 2026-04-12 11:47:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
studellumcourses.com	eva.ns.cloudflare.com, osmar.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.124

NS records: eva.ns.cloudflare.com, osmar.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studellumcourses.com (unsigned zone)

⏱️ Timing

Total: 132ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.133.126, 104.21.5.135`
AAAA	2	`2606:4700:3037::ac43:857e, 2606:4700:3031::6815:587`
NS	2	`eva.ns.cloudflare.com, osmar.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`eva.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

studellumcourses.com points to four IP numbers: 2606:4700:3031::6815:587, 2606:4700:3037::ac43:857e, 104.21.5.135 and 172.67.133.126.

Other host names, for instance timcoysh.co.uk, dgcqw.com, see-it-3d.co.uk, xn88-game.com and worldcaffe.com share IP numbers with studellumcourses.com.

Name Servers

Delegation for studellumcourses.com rests with two name servers, eva.ns.cloudflare.com and osmar.ns.cloudflare.com.

studellumcourses.com shares the same name server setup as other domains, including afistfulofdough.com, brightflourishacademy.com, cognibloomacademy.com, advancingknowledgehub.com and cogniquestnora.com.

studellumcourses.com at least partially shares name servers with other domains, for instance ozfly.com.au, seeds.is, 1whagp.life, dteam.site and light-house.info.

these name servers are commonly used with leia.ns.cloudflare.com, addyson.ns.cloudflare.com and igor.ns.cloudflare.com.

Host names with six IP numbers: eva.ns.cloudflare.com points to: 2606:4700:50::adf5:3a72, 2803:f800:50::6ca2:c072, 2a06:98c1:50::ac40:2072, 108.162.192.114, 172.64.32.114 and 173.245.58.114. osmar.ns.cloudflare.com points to: 2606:4700:58::a29f:2c7c, 2803:f800:50::6ca2:c37c, 2a06:98c1:50::ac40:237c, 108.162.195.124, 162.159.44.124 and 172.64.35.124.

studellumcourses.com - robtex.com