`studenotes.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:caa1^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:1628^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.22.40^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.202.161^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`tess.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3ae3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tess.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0e3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`tess.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20e3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`tess.ns.cloudflare.com`
		A	108.162.192.227^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tess.ns.cloudflare.com`
		A	172.64.32.227^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tess.ns.cloudflare.com`
		A	173.245.58.227^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tess.ns.cloudflare.com`
NS	`zeus.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bf9^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zeus.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1f9^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`zeus.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21f9^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`zeus.ns.cloudflare.com`
		A	108.162.193.249^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zeus.ns.cloudflare.com`
		A	172.64.33.249^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zeus.ns.cloudflare.com`
		A	173.245.59.249^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zeus.ns.cloudflare.com`
MX	`route3.mx.cloudflare.net` ⭐
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
MX	`route2.mx.cloudflare.net`⁽⁶⁵⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
MX	`route1.mx.cloudflare.net`⁽⁷⁹⁾
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
TXT	`hosting-site=studenotes-35b46`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.22.40, 172.67.202.161
		IPv6	2606:4700:3030::ac43:caa1, 2606:4700:3036::6815:1628
SOA	`tess.ns.cloudflare.com`dns@cloudflare.com serial=2398246060

`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=1771291435

Same first word

studenotes.com

DNS History

22 records (9 active, 13 former)

○NSns-cloud-e1.googledomains.com2019-12-31 → 2019-12-31 · 3 obs

● 2019-12-31 19:48:36
○ 2026-03-01 08:12:10
○ 2026-03-09 19:58:04

○NSns-cloud-e2.googledomains.com2019-12-31 → 2019-12-31 · 3 obs

● 2019-12-31 19:48:36
○ 2026-03-01 08:12:10
○ 2026-03-09 19:58:04

○NSns-cloud-e3.googledomains.com2019-12-31 → 2019-12-31 · 3 obs

● 2019-12-31 19:48:36
○ 2026-03-01 08:12:10
○ 2026-03-09 19:58:04

○NSns-cloud-e4.googledomains.com2019-12-31 → 2019-12-31 · 3 obs

● 2019-12-31 19:48:36
○ 2026-03-01 08:12:10
○ 2026-03-09 19:58:04

●NStess.ns.cloudflare.com2026-03-01 → 2026-03-09 · 3 obs

○ 2019-12-31 19:48:36
● 2026-03-01 08:12:10
● 2026-03-09 19:58:04

●NSzeus.ns.cloudflare.com2026-03-01 → 2026-03-09 · 3 obs

○ 2019-12-31 19:48:36
● 2026-03-01 08:12:10
● 2026-03-09 19:58:04

○MXalt1.aspmx.l.google.com2019-12-31 → 2019-12-31 · 3 obs

● 2019-12-31 19:48:36
○ 2026-03-01 08:12:10
○ 2026-03-09 19:58:04

○MXalt2.aspmx.l.google.com2019-12-31 → 2019-12-31 · 3 obs

● 2019-12-31 19:48:36
○ 2026-03-01 08:12:10
○ 2026-03-09 19:58:04

○MXalt3.aspmx.l.google.com2019-12-31 → 2019-12-31 · 3 obs

● 2019-12-31 19:48:36
○ 2026-03-01 08:12:10
○ 2026-03-09 19:58:04

○MXalt4.aspmx.l.google.com2019-12-31 → 2019-12-31 · 3 obs

● 2019-12-31 19:48:36
○ 2026-03-01 08:12:10
○ 2026-03-09 19:58:04

○MXaspmx.l.google.com2019-12-31 → 2019-12-31 · 3 obs

● 2019-12-31 19:48:36
○ 2026-03-01 08:12:10
○ 2026-03-09 19:58:04

●MXroute1.mx.cloudflare.net2026-03-09 → 2026-03-09 · 3 obs

○ 2026-03-01 08:12:10
● 2026-03-09 19:58:02
● 2026-03-09 19:58:04

●MXroute2.mx.cloudflare.net2026-03-09 → 2026-03-09 · 3 obs

○ 2026-03-01 08:12:10
● 2026-03-09 19:58:02
● 2026-03-09 19:58:04

●MXroute3.mx.cloudflare.net2026-03-09 → 2026-03-09 · 3 obs

○ 2026-03-01 08:12:10
● 2026-03-09 19:58:02
● 2026-03-09 19:58:04

●A104.21.22.402026-03-09 → 2026-03-09 · 3 obs

○ 2026-03-01 08:12:10
● 2026-03-09 19:58:02
● 2026-03-09 19:58:04

●A172.67.202.1612026-03-09 → 2026-03-09 · 3 obs

○ 2026-03-01 08:12:10
● 2026-03-09 19:58:02
● 2026-03-09 19:58:04

○A188.114.96.02026-03-01 → 2026-03-01 · 3 obs

● 2026-03-01 08:12:10
○ 2026-03-09 19:58:02
○ 2026-03-09 19:58:04

○A188.114.97.02026-03-01 → 2026-03-01 · 3 obs

● 2026-03-01 08:12:10
○ 2026-03-09 19:58:02
○ 2026-03-09 19:58:04

●A2606:4700:3030::ac43:caa12026-03-09 → 2026-03-09 · 3 obs

○ 2026-03-01 08:12:10
● 2026-03-09 19:58:02
● 2026-03-09 19:58:04

●A2606:4700:3036::6815:16282026-03-09 → 2026-03-09 · 3 obs

○ 2026-03-01 08:12:10
● 2026-03-09 19:58:02
● 2026-03-09 19:58:04

○A2a06:98c1:3120::2026-03-01 → 2026-03-01 · 3 obs

● 2026-03-01 08:12:10
○ 2026-03-09 19:58:02
○ 2026-03-09 19:58:04

○A2a06:98c1:3121::2026-03-01 → 2026-03-01 · 3 obs

● 2026-03-01 08:12:10
○ 2026-03-09 19:58:02
○ 2026-03-09 19:58:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, k.gtld-servers.net, l.gtld-servers.net, i.gtld-servers.net...	-
studenotes.com	tess.ns.cloudflare.com, zeus.ns.cloudflare.com	12 records

✅ Authoritative Response

Server: 108.162.193.249

NS records: tess.ns.cloudflare.com, zeus.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studenotes.com (unsigned zone)

⏱️ Timing

Total: 113ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.202.161, 104.21.22.40`
AAAA	2	`2606:4700:3030::ac43:caa1, 2606:4700:3036::6815:1628`
NS	2	`tess.ns.cloudflare.com, zeus.ns.cloudflare.com`
MX	3	`route3.mx.cloudflare.net (pri: 22), route2.mx.cloudflare.net (pri: 65)...`
TXT	2	`hosting-site=studenotes-35b46, v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`tess.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

studenotes.com points to four IP numbers: 2606:4700:3030::ac43:caa1, 2606:4700:3036::6815:1628, 104.21.22.40 and 172.67.202.161.

Other host names, for instance www.nuovocorrierenazionale.com, 95558313.com.cdn.cloudflare.net, ikeamods.com, plavus.com and tipsbear.com share IP numbers with studenotes.com.

Name Servers

Delegation for studenotes.com rests with two name servers, tess.ns.cloudflare.com and zeus.ns.cloudflare.com.

studenotes.com shares the same name server setup as other domains, including netmail.pt, xyzblue.com, kallmeier-glanz.de, tomabechi.net and mebongda.net.

studenotes.com at least partially shares name servers with other domains, for instance essayrating.com, n.mr, gridworx.ca, restoserv.com and allobox.net.

These name servers are commonly used with the name servers paityn.ns.cloudflare.com.

Host names with six IP numbers: tess.ns.cloudflare.com points to: 2606:4700:50::adf5:3ae3, 2803:f800:50::6ca2:c0e3, 2a06:98c1:50::ac40:20e3, 108.162.192.227, 172.64.32.227 and 173.245.58.227. zeus.ns.cloudflare.com points to: 2606:4700:58::adf5:3bf9, 2803:f800:50::6ca2:c1f9, 2a06:98c1:50::ac40:21f9, 108.162.193.249, 172.64.33.249 and 173.245.59.249.

Mail Servers

studenotes.com is handled by three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

studenotes.com shares mail servers with other domains at least in part, for instance htec.gr, 13142233.xyz, shoujo.link, automanuals.biz and quemfazsite.com.br.

Host names with six IP numbers:

route1.mx.cloudflare.net points to: 2606:4700:f5::b, 2606:4700:f5::c, 2606:4700:f5::d, 162.159.205.11, 162.159.205.12 and 162.159.205.13.

route2.mx.cloudflare.net points to: 2606:4700:f5::e, 2606:4700:f5::f, 2606:4700:f5::10, 162.159.205.17, 162.159.205.18 and 162.159.205.19.

route3.mx.cloudflare.net points to: 2606:4700:f5::11, 2606:4700:f5::12, 2606:4700:f5::13, 162.159.205.23, 162.159.205.24 and 162.159.205.25.

studenotes.com - robtex.com

studenotes.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`studenotes.com`

`com`