🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`learncf.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::ac43:dd0c^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:3e42^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.62.66^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.221.12^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`bailey.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2629^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bailey.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c229^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`bailey.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2229^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`bailey.ns.cloudflare.com`
		A	108.162.194.41^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bailey.ns.cloudflare.com`
		A	162.159.38.41^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bailey.ns.cloudflare.com`
		A	172.64.34.41^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bailey.ns.cloudflare.com`
NS	`yichun.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bf8^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yichun.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1f8^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`yichun.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21f8^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`yichun.ns.cloudflare.com`
		A	108.162.193.248^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yichun.ns.cloudflare.com`
		A	172.64.33.248^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yichun.ns.cloudflare.com`
		A	173.245.59.248^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yichun.ns.cloudflare.com`
MX	`mx.zohomail.com` ⭐
		A	136.143.183.44^{🇺🇸 ZohoAS136.143.182.0/23 Zoho}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
		A	204.141.43.44^{🇺🇸 ZohoAS204.141.42.0/23 Zoho Corporation}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx6.zoho.com`
			PTR	`mx7.zoho.com`
			PTR	`mx8.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
MX	`mx2.zoho.com` ⭐
		A	204.141.33.44^{🇺🇸 ZohoAS204.141.32.0/23 PNAP-DAL CASE00103239}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx6.zoho.com`
			PTR	`mx7.zoho.com`
			PTR	`mx8.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
		A	204.141.43.44^{🇺🇸 ZohoAS204.141.42.0/23 Zoho Corporation}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx6.zoho.com`
			PTR	`mx7.zoho.com`
			PTR	`mx8.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
MX	`mx3.zoho.com`⁽²⁰⁾
		A	204.141.43.44^{🇺🇸 ZohoAS204.141.42.0/23 Zoho Corporation}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx6.zoho.com`
			PTR	`mx7.zoho.com`
			PTR	`mx8.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
MX	`mx.zoho.com`⁽⁵⁰⁾
		A	136.143.183.44^{🇺🇸 ZohoAS136.143.182.0/23 Zoho}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
		A	204.141.43.44^{🇺🇸 ZohoAS204.141.42.0/23 Zoho Corporation}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx6.zoho.com`
			PTR	`mx7.zoho.com`
			PTR	`mx8.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
TXT	`v=spf1 include:zoho.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.62.66, 172.67.221.12
		IPv6 hints	2606:4700:3034::ac43:dd0c, 2606:4700:3035::6815:3e42
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=56, name=cloudflare-ech.com
SOA	`bailey.ns.cloudflare.com`dns@cloudflare.com serial=2413486279

`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

learncf.dev

learncf.com

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Previous names

Next names

DNS History

10 records (10 active, 0 former)

●NSbailey.ns.cloudflare.com2026-09-06 → 2026-09-07 · 2 obs

● 2026-09-06 02:45:00
● 2026-09-07 11:36:14

●NSyichun.ns.cloudflare.com2026-09-06 → 2026-09-07 · 2 obs

● 2026-09-06 02:45:00
● 2026-09-07 11:36:14

●MXmx.zoho.com2026-09-06 → 2026-09-07 · 2 obs

● 2026-09-06 02:45:00
● 2026-09-07 11:36:14

●MXmx.zohomail.com2026-09-06 → 2026-09-07 · 2 obs

● 2026-09-06 02:45:00
● 2026-09-07 11:36:14

●MXmx2.zoho.com2026-09-06 → 2026-09-07 · 2 obs

● 2026-09-06 02:45:00
● 2026-09-07 11:36:14

●MXmx3.zoho.com2026-09-06 → 2026-09-07 · 2 obs

● 2026-09-06 02:45:00
● 2026-09-07 11:36:14

●A104.21.62.662026-09-06 → 2026-09-07 · 2 obs

● 2026-09-06 02:45:00
● 2026-09-07 11:36:14

●A172.67.221.122026-09-06 → 2026-09-07 · 2 obs

● 2026-09-06 02:45:00
● 2026-09-07 11:36:14

●A2606:4700:3034::ac43:dd0c2026-09-06 → 2026-09-07 · 2 obs

● 2026-09-06 02:45:00
● 2026-09-07 11:36:14

●A2606:4700:3035::6815:3e422026-09-06 → 2026-09-07 · 2 obs

● 2026-09-06 02:45:00
● 2026-09-07 11:36:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
learncf.dev	bailey.ns.cloudflare.com, yichun.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.38.41

NS records: bailey.ns.cloudflare.com, yichun.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for learncf.dev (unsigned zone)

⏱️ Timing

Total: 1740ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.62.66, 172.67.221.12`
AAAA	2	`2606:4700:3034::ac43:dd0c, 2606:4700:3035::6815:3e42`
NS	2	`bailey.ns.cloudflare.com, yichun.ns.cloudflare.com`
MX	5	`mx.zoho.com (pri: 10), mx.zohomail.com (pri: 10)...`
TXT	1	`v=spf1 include:zoho.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`bailey.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

learncf.dev directs to four IP numbers, which are 104.21.62.66, 172.67.221.12, 2606:4700:3034::ac43:dd0c and 2606:4700:3035::6815:3e42.

Additional host names — www.afroconstruct.com, waveflareglow.digital, vvv234app.com and two others — share IP numbers with learncf.dev.

Name Servers

learncf.dev is served by two delegated name servers, bailey.ns.cloudflare.com and yichun.ns.cloudflare.com.

learncf.dev shares its name server setup with other domains, including spilltekno.workers.dev, penarepository.cloud, projectleavenup.workers.dev and two others.

The name servers of learncf.dev overlap at least partially with those of other domains — among them manglapragun.workers.dev, slonex-fursa-a7c109-wplm-monvek.pages.dev, imranxm2.pages.dev and two more.

These name servers commonly appear in combination with the name servers duke.ns.cloudflare.com.

Host names with 6 IP numbers:

bailey.ns.cloudflare.com carries IP addresses 108.162.194.41, 162.159.38.41 and 172.64.34.41, with 3 other addresses beyond those.

yichun.ns.cloudflare.com carries IP addresses 108.162.193.248, 172.64.33.248 and 173.245.59.248, with 3 other addresses beyond those.

Mail Servers

Mail for learncf.dev is handled by four mail servers: mx2.zoho.com, mx3.zoho.com, mx.zoho.com and mx.zohomail.com.

learncf.dev shares mail servers — at least in part — with other domains, including garnishking.com, trainerfit.com.br, expressotienda.com and two others.

These mail servers are frequently seen alongside the mail servers mx2.zohomail.com.

Host names with two IP numbers:

mx2.zoho.com maps to two IP addresses — 204.141.33.44 and 204.141.43.44.

mx.zoho.com maps to two IP addresses — 136.143.183.44 and 204.141.43.44.

mx.zohomail.com maps to two IP addresses — 136.143.183.44 and 204.141.43.44.

Host names pointing to a single IP address:

mx3.zoho.com points to the IP address 204.141.43.44.

The host names mx2.zoho.com, mx.zoho.com, mx.zohomail.com and mx3.zoho.com all point to 204.141.43.44.

These two host names — mx.zoho.com and mx.zohomail.com — each point to 136.143.183.44 IP addresses.

learncf.dev - robtex.com

learncf.dev

dev

Same first word

Similar names

Previous names

Next names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`learncf.dev`

`dev`