🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`teachersnote.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:298d^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:bf35^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.41.141^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.191.53^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`heidi.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26ec^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`heidi.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2ec^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`heidi.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22ec^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`heidi.ns.cloudflare.com`
		A	108.162.194.236^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`heidi.ns.cloudflare.com`
		A	162.159.38.236^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`heidi.ns.cloudflare.com`
		A	172.64.34.236^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`heidi.ns.cloudflare.com`
NS	`rocco.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c79^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rocco.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c379^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rocco.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2379^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rocco.ns.cloudflare.com`
		A	108.162.195.121^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rocco.ns.cloudflare.com`
		A	162.159.44.121^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rocco.ns.cloudflare.com`
		A	172.64.35.121^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rocco.ns.cloudflare.com`
MX	`mx2.zoho.eu` ⭐
		A	185.230.214.166^{🇳🇱 ZOHO-EU185.230.214.0/23}
			PTR	`mx2.zoho.eu`
			PTR	`mx3.zoho.eu`
			PTR	`mx.zoho.eu`
MX	`mx3.zoho.eu`⁽²⁰⁾
		A	185.230.212.166^{🇳🇱 ZOHO-EU185.230.212.0/23}
			PTR	`mx2.zoho.eu`
			PTR	`mx3.zoho.eu`
			PTR	`mx.zoho.eu`
MX	`mx.zoho.eu`⁽⁵⁰⁾
		A	185.230.212.166^{🇳🇱 ZOHO-EU185.230.212.0/23}
			PTR	`mx2.zoho.eu`
			PTR	`mx3.zoho.eu`
			PTR	`mx.zoho.eu`
		A	185.230.214.166^{🇳🇱 ZOHO-EU185.230.214.0/23}
			PTR	`mx2.zoho.eu`
			PTR	`mx3.zoho.eu`
			PTR	`mx.zoho.eu`
TXT	`google-site-verification=iDIH6uEg0kDTY7ae3w_UUPCWeaaiNWOZEC-Zi5EL4_8`
TXT	`v=spf1 include:zohomail.eu ~all`
TXT	`zoho-verification=zb63623084.zmverify.zoho.eu`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.41.141, 172.67.191.53
		IPv6 hints	2606:4700:3034::6815:298d, 2606:4700:3034::ac43:bf35
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=236, name=cloudflare-ech.com
SOA	`heidi.ns.cloudflare.com`dns@cloudflare.com serial=2415095654

`dev`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=1

🔒 HSTS Preload (+subdomains)

Same first word

teachersnote.dev

teachersnote.com

teachersnote.com.ng

Similar names

Previous names

Next names

DNS History

13 records (9 active, 4 former)

●NSheidi.ns.cloudflare.com2026-09-09 → 2026-10-29 · 2 obs

● 2026-09-09 05:38:52
● 2026-10-29 23:13:02

●NSrocco.ns.cloudflare.com2026-09-09 → 2026-10-29 · 2 obs

● 2026-09-09 05:38:52
● 2026-10-29 23:13:02

●MXmx.zoho.eu2026-09-09 → 2026-10-29 · 2 obs

● 2026-09-09 05:38:52
● 2026-10-29 23:13:02

●MXmx2.zoho.eu2026-09-09 → 2026-10-29 · 2 obs

● 2026-09-09 05:38:52
● 2026-10-29 23:13:02

●MXmx3.zoho.eu2026-09-09 → 2026-10-29 · 2 obs

● 2026-09-09 05:38:52
● 2026-10-29 23:13:02

●A104.21.41.1412026-10-02 → 2026-10-29 · 3 obs

○ 2026-09-09 05:38:52
● 2026-10-02 01:13:10
● 2026-10-29 23:13:02

●A172.67.191.532026-10-02 → 2026-10-29 · 3 obs

○ 2026-09-09 05:38:52
● 2026-10-02 01:13:10
● 2026-10-29 23:13:02

○A188.114.96.02026-09-09 → 2026-09-09 · 3 obs

● 2026-09-09 05:38:52
○ 2026-10-02 01:13:10
○ 2026-10-29 23:13:02

○A188.114.97.02026-09-09 → 2026-09-09 · 3 obs

● 2026-09-09 05:38:52
○ 2026-10-02 01:13:10
○ 2026-10-29 23:13:02

●A2606:4700:3034::6815:298d2026-10-02 → 2026-10-29 · 3 obs

○ 2026-09-09 05:38:52
● 2026-10-02 01:13:10
● 2026-10-29 23:13:02

●A2606:4700:3034::ac43:bf352026-10-02 → 2026-10-29 · 3 obs

○ 2026-09-09 05:38:52
● 2026-10-02 01:13:10
● 2026-10-29 23:13:02

○A2a06:98c1:3120::2026-09-09 → 2026-09-09 · 3 obs

● 2026-09-09 05:38:52
○ 2026-10-02 01:13:10
○ 2026-10-29 23:13:02

○A2a06:98c1:3121::2026-09-09 → 2026-09-09 · 3 obs

● 2026-09-09 05:38:52
○ 2026-10-02 01:13:10
○ 2026-10-29 23:13:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
teachersnote.dev	heidi.ns.cloudflare.com, rocco.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.35.121

NS records: heidi.ns.cloudflare.com, rocco.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for teachersnote.dev (unsigned zone)

⏱️ Timing

Total: 1956ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.41.141, 172.67.191.53`
AAAA	2	`2606:4700:3034::ac43:bf35, 2606:4700:3034::6815:298d`
NS	2	`heidi.ns.cloudflare.com, rocco.ns.cloudflare.com`
MX	3	`mx.zoho.eu (pri: 10), mx2.zoho.eu (pri: 20)...`
TXT	3	`google-site-verification=iDIH6uEg0kDTY7a, v=spf1 include:zohomail.eu ~all...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`heidi.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

teachersnote.dev resolves to four IP addresses: 104.21.41.141, 172.67.191.53, 2606:4700:3034::6815:298d and 2606:4700:3034::ac43:bf35.

jelvruvozanai-fr.live, andamioweb.com.ar, lumetronis.com plus two other host names have IP numbers in common with teachersnote.dev.

Name Servers

teachersnote.dev has two authoritative name servers — heidi.ns.cloudflare.com and rocco.ns.cloudflare.com.

The name server configuration of teachersnote.dev is shared with other domains, for instance grabcad-repository-q5.pages.dev, dotvault.io, grabcad-repository-y2.pages.dev and two others.

teachersnote.dev shares at least some of its name servers with other domains, including quots-corp.workers.dev, haitran2202.workers.dev, cibreza.shop and two others.

These name servers are frequently seen alongside the name servers valentin.ns.cloudflare.com.

Hosts with 6 IP addresses each:

heidi.ns.cloudflare.com points to 108.162.194.236, 162.159.38.236, 172.64.34.236 and 3 other IP addresses.

rocco.ns.cloudflare.com points to 108.162.195.121, 162.159.44.121, 172.64.35.121 and 3 other IP addresses.

Mail Servers

teachersnote.dev is handled by three mail servers: mx2.zoho.eu, mx3.zoho.eu and mx.zoho.eu.

At least some of the mail servers used by teachersnote.dev are shared with other domains: inktys.com, prophetcode.com, omnitech-uk.ai and two others among them.

Host names pointing to two IP addresses:

mx.zoho.eu resolves to 185.230.212.166 and 185.230.214.166.

Host names resolving to a single IP address:

mx2.zoho.eu resolves to 185.230.214.166.

mx3.zoho.eu resolves to 185.230.212.166.

The host names mx.zoho.eu and mx3.zoho.eu both resolve to 185.230.212.166 IP addresses.

The host names mx.zoho.eu and mx2.zoho.eu both resolve to 185.230.214.166 IP addresses.

teachersnote.dev - robtex.com