studygraph.app - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`studygraph.app`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::ac43:9d1b^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:3230^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.50.48^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.157.27^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`brit.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a4e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brit.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c04e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`brit.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:204e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`brit.ns.cloudflare.com`
		A	108.162.192.78^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brit.ns.cloudflare.com`
		A	172.64.32.78^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brit.ns.cloudflare.com`
		A	173.245.58.78^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brit.ns.cloudflare.com`
NS	`hank.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b74^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hank.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c174^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`hank.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2174^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`hank.ns.cloudflare.com`
		A	108.162.193.116^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hank.ns.cloudflare.com`
		A	172.64.33.116^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hank.ns.cloudflare.com`
		A	173.245.59.116^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hank.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.50.48, 172.67.157.27
		IPv6 hints	2606:4700:3034::ac43:9d1b, 2606:4700:3035::6815:3230
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=101, name=cloudflare-ech.com
SOA	`brit.ns.cloudflare.com`dns@cloudflare.com serial=2415867899

`app`

	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=101427

🔒 HSTS Preload (+subdomains)

Same first word

studygraph.cn

studygraph.in

studygraph.app

studygraph.ai

studygraph.co.uk

studygraph.online

Similar names

graphstudy.org

Previous names

Next names

DNS History

10 records (6 active, 4 former)

●NSbrit.ns.cloudflare.com2026-09-24 → 2026-10-22 · 2 obs

● 2026-09-24 03:12:46
● 2026-10-22 02:54:00

●NShank.ns.cloudflare.com2026-09-24 → 2026-10-22 · 2 obs

● 2026-09-24 03:12:46
● 2026-10-22 02:54:00

●A104.21.50.482026-09-26 → 2026-10-22 · 3 obs

○ 2026-09-24 03:12:46
● 2026-09-26 09:05:28
● 2026-10-22 02:54:00

●A172.67.157.272026-09-26 → 2026-10-22 · 3 obs

○ 2026-09-24 03:12:46
● 2026-09-26 09:05:28
● 2026-10-22 02:54:00

○A188.114.96.02026-09-24 → 2026-09-24 · 3 obs

● 2026-09-24 03:12:46
○ 2026-09-26 09:05:28
○ 2026-10-22 02:54:00

○A188.114.97.02026-09-24 → 2026-09-24 · 3 obs

● 2026-09-24 03:12:46
○ 2026-09-26 09:05:28
○ 2026-10-22 02:54:00

●A2606:4700:3034::ac43:9d1b2026-09-26 → 2026-10-22 · 3 obs

○ 2026-09-24 03:12:46
● 2026-09-26 09:05:28
● 2026-10-22 02:54:00

●A2606:4700:3035::6815:32302026-09-26 → 2026-10-22 · 3 obs

○ 2026-09-24 03:12:46
● 2026-09-26 09:05:28
● 2026-10-22 02:54:00

○A2a06:98c1:3120::2026-09-24 → 2026-09-24 · 3 obs

● 2026-09-24 03:12:46
○ 2026-09-26 09:05:28
○ 2026-10-22 02:54:00

○A2a06:98c1:3121::2026-09-24 → 2026-09-24 · 3 obs

● 2026-09-24 03:12:46
○ 2026-09-26 09:05:28
○ 2026-10-22 02:54:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
app	ns-tld5.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...	-
studygraph.app	hank.ns.cloudflare.com, brit.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.116

NS records: hank.ns.cloudflare.com, brit.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studygraph.app (unsigned zone)

⏱️ Timing

Total: 525ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.50.48, 172.67.157.27`
AAAA	2	`2606:4700:3034::ac43:9d1b, 2606:4700:3035::6815:3230`
NS	2	`brit.ns.cloudflare.com, hank.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`brit.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

studygraph.app points to the four IP addresses 104.21.50.48, 172.67.157.27, 2606:4700:3034::ac43:9d1b and 2606:4700:3035::6815:3230.

xoer.com.cn, istudyxuyuan.com, school-erabi.jp and two other host names share IP numbers with studygraph.app.

Name Servers

studygraph.app is served by two delegated name servers, brit.ns.cloudflare.com and hank.ns.cloudflare.com.

studygraph.app uses the same name servers as several other domains — among them oxy.works, cyberia1031.workers.dev, escolio.net and two more.

There is at least partial name server overlap between studygraph.app and other domains — cjbroker.com.br, knownonprofit.org, encryptilock.com and two more among them.

These name servers are routinely deployed together with the name servers lakas.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

brit.ns.cloudflare.com carries IP addresses 108.162.192.78, 172.64.32.78 and 173.245.58.78, with 3 other addresses beyond those.

hank.ns.cloudflare.com carries IP addresses 108.162.193.116, 172.64.33.116 and 173.245.59.116, with 3 other addresses beyond those.