🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`openshellacademy.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3037::6815:2134^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:8d69^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.33.52^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.141.105^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`annabel.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26cf^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`annabel.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2cf^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`annabel.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22cf^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`annabel.ns.cloudflare.com`
		A	108.162.194.207^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`annabel.ns.cloudflare.com`
		A	162.159.38.207^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`annabel.ns.cloudflare.com`
		A	172.64.34.207^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`annabel.ns.cloudflare.com`
NS	`arvind.ns.cloudflare.com`
		A	2606:4700:58::a29f:2ce3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arvind.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3e3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`arvind.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23e3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`arvind.ns.cloudflare.com`
		A	108.162.195.227^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arvind.ns.cloudflare.com`
		A	162.159.44.227^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arvind.ns.cloudflare.com`
		A	172.64.35.227^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arvind.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.33.52, 172.67.141.105
		IPv6 hints	2606:4700:3037::6815:2134, 2606:4700:3037::ac43:8d69
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=156, name=cloudflare-ech.com
SOA	`annabel.ns.cloudflare.com`dns@cloudflare.com serial=2413270612

`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

openshellacademy.dev

Previous names

Next names

DNS History

6 records (6 active, 0 former)

●NSannabel.ns.cloudflare.com2026-09-07 → 2026-09-20 · 2 obs

● 2026-09-07 05:08:44
● 2026-09-20 05:42:14

●NSarvind.ns.cloudflare.com2026-09-07 → 2026-09-20 · 2 obs

● 2026-09-07 05:08:44
● 2026-09-20 05:42:14

●A104.21.33.522026-09-07 → 2026-09-20 · 2 obs

● 2026-09-07 05:08:44
● 2026-09-20 05:42:14

●A172.67.141.1052026-09-07 → 2026-09-20 · 2 obs

● 2026-09-07 05:08:44
● 2026-09-20 05:42:14

●A2606:4700:3037::6815:21342026-09-07 → 2026-09-20 · 2 obs

● 2026-09-07 05:08:44
● 2026-09-20 05:42:14

●A2606:4700:3037::ac43:8d692026-09-07 → 2026-09-20 · 2 obs

● 2026-09-07 05:08:44
● 2026-09-20 05:42:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld3.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...	10 records
openshellacademy.dev	annabel.ns.cloudflare.com, arvind.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.44.227

NS records: annabel.ns.cloudflare.com, arvind.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

Root DNSKEY fetch failed: Error: connect EADDRNOTAVAIL 198.41.0.4:53 - Local (0.0.0.0:0)

⏱️ Timing

Total: 895ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.33.52, 172.67.141.105`
AAAA	2	`2606:4700:3037::ac43:8d69, 2606:4700:3037::6815:2134`
NS	2	`annabel.ns.cloudflare.com, arvind.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`annabel.ns.cloudflare.com dns.cloudflare`

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns-tld5.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)

Analysis

IP Addresses

openshellacademy.dev directs to four IP numbers, which are 104.21.33.52, 172.67.141.105, 2606:4700:3037::6815:2134 and 2606:4700:3037::ac43:8d69.

Additional host names — grisoft.tr, nftswork.com, ai-finance.co and two others — share IP numbers with openshellacademy.dev.

Name Servers

DNS delegation for openshellacademy.dev points to two name servers: annabel.ns.cloudflare.com and arvind.ns.cloudflare.com.

openshellacademy.dev shares its name server setup with other domains, including dedhamgaragedoorsrepairinstallationguys.com, service-link.de, ov489sr0ya.workers.dev and two others.

The name servers of openshellacademy.dev overlap at least partially with those of other domains — among them kevin-varzeshsalamati.rest, marryfashion.com, munay-amaru.pages.dev and two more.

These name servers commonly co-occur with the name servers addilyn.ns.cloudflare.com, piers.ns.cloudflare.com, eloise.ns.cloudflare.com and zelda.ns.cloudflare.com.

Host names with 6 IP numbers:

annabel.ns.cloudflare.com has IP addresses 108.162.194.207, 162.159.38.207 and 172.64.34.207, plus 3 other.

arvind.ns.cloudflare.com has IP addresses 108.162.195.227, 162.159.44.227 and 172.64.35.227, plus 3 other.

openshellacademy.dev - robtex.com