🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`apps.study`

DNSSEC	⚠️ Not signed
NS	`harvard.ns.apps.study` ⭐
		A	2400:cb00:2049:1::a29f:2fd^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.2.253^{Cloudflare162.159.2.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`cambridge.ns.apps.study`
		A	2400:cb00:2049:1::a29f:4f8^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.4.248^{Cloudflare162.159.4.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
SOA	`harvard.ns.apps.study`dns@cloudflare.com serial=2413041045

`study`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.nic.study` ⭐
	NS	`b.nic.study`
	NS	`c.nic.study`
	NS	`x.nic.study`
	NS	`y.nic.study`
	NS	`z.nic.study`
	SOA	`a.nic.study`admin@tldns.godaddy serial=1789354049

Same first word

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Previous names

Next names

DNS History

2 records (2 active, 0 former)

●NScambridge.ns.apps.study2026-09-02 → 2026-09-14 · 2 obs

● 2026-09-02 09:19:20
● 2026-09-14 03:38:16

●NSharvard.ns.apps.study2026-09-02 → 2026-09-14 · 2 obs

● 2026-09-02 09:19:20
● 2026-09-14 03:38:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
study	a.nic.study, b.nic.study, c.nic.study, x.nic.study...	12 records
apps.study	harvard.ns.apps.study, cambridge.ns.apps.study	2 records

✅ Authoritative Response

Server:162.159.2.253

NS records: harvard.ns.apps.study, cambridge.ns.apps.study

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for apps.study (unsigned zone)

⏱️ Timing

Total: 147ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`harvard.ns.apps.study, cambridge.ns.apps.study`
SOA	1	`harvard.ns.apps.study dns.cloudflare.com`

📌 Glue Records Collected

Total: 14

In-bailiwick: 14 (a.nic.study, a.nic.study, b.nic.study...)

Analysis

Name Servers

apps.study is delegated to two name servers: cambridge.ns.apps.study and harvard.ns.apps.study.

cambridge.ns.apps.study and harvard.ns.apps.study each resolve to two IP addresses: cambridge.ns.apps.study points to 162.159.4.248 and 2400:cb00:2049:1::a29f:4f8, while harvard.ns.apps.study points to 162.159.2.253 and 2400:cb00:2049:1::a29f:2fd.

apps.study - robtex.com

apps.study

study