studygpt.app - robtex.com
studygpt.app
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3032::6815:425🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:839e🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.4.37Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.131.158🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | amber.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3a40🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | amber.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c040🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | amber.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2040🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | amber.ns.cloudflare.com | ||||||
| A | 108.162.192.64🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 172.64.32.64🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 173.245.58.64🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | harvey.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2c98🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | harvey.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c398🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | harvey.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2398🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | harvey.ns.cloudflare.com | ||||||
| A | 108.162.195.152🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | harvey.ns.cloudflare.com | ||||||
| A | 162.159.44.152Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | harvey.ns.cloudflare.com | ||||||
| A | 172.64.35.152🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | harvey.ns.cloudflare.com | ||||||
| TXT | google-site-verification=BQir7Ve0vkvDA0p3YtYSBcV7yIGlqiPXTDfMTPBqpq0 | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.4.37, 172.67.131.158 | ||||||
| IPv6 hints | 2606:4700:3032::6815:425, 2606:4700:3037::ac43:839e | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=10, name=cloudflare-ech.com | ||||||
| SOA | amber.ns.cloudflare.comdns@cloudflare.com serial=2406351070 | ||||||
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.comcloud-dns-hostmaster@google.com serial=101427 | ||||||
Same first word
studygpt.app |
DNS History
6 records (6 active, 0 former)
●NSamber.ns.cloudflare.com2026-03-20 → 2026-07-04 · 2 obs
● 2026-07-04 15:58:46
●NSharvey.ns.cloudflare.com2026-03-20 → 2026-07-04 · 2 obs
● 2026-07-04 15:58:46
●A104.21.4.372026-03-20 → 2026-07-04 · 2 obs
● 2026-07-04 15:58:46
●A172.67.131.1582026-03-20 → 2026-07-04 · 2 obs
● 2026-07-04 15:58:46
●A2606:4700:3032::6815:4252026-03-20 → 2026-07-04 · 2 obs
● 2026-07-04 15:58:46
●A2606:4700:3037::ac43:839e2026-03-20 → 2026-07-04 · 2 obs
● 2026-07-04 15:58:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| app | ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com... | - |
| studygpt.app | amber.ns.cloudflare.com, harvey.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.192.64
NS records: amber.ns.cloudflare.com, harvey.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for studygpt.app (unsigned zone)
⏱️ Timing
Total: 418ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.4.37, 172.67.131.158 |
| AAAA | 2 | 2606:4700:3037::ac43:839e, 2606:4700:3032::6815:425 |
| NS | 2 | amber.ns.cloudflare.com, harvey.ns.cloudflare.com |
| TXT | 1 | google-site-verification=BQir7Ve0vkvDA0p |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | amber.ns.cloudflare.com dns.cloudflare.c |
Analysis
IP Addresses
studygpt.app has four IP addresses: 104.21.4.37, 172.67.131.158, 2606:4700:3032::6815:425 and 2606:4700:3037::ac43:839e.
loscabosairport.com, millaveallen.com, mumble.london plus two other host names have IP numbers in common with studygpt.app.
Name Servers
DNS delegation for studygpt.app points to two name servers: amber.ns.cloudflare.com and harvey.ns.cloudflare.com.
The name server configuration of studygpt.app is shared with other domains, for instance winniesheartofgold.com, westchasefoundation.com, foreststrategicsolutions.com and two others.
studygpt.app partially shares its NS delegation with several other domains, including 1ratuular77.online, frankmayer.com, monimia.com and two others.
These name servers regularly co-occur with the name servers neil.ns.cloudflare.com, amit.ns.cloudflare.com and laylah.ns.cloudflare.com.
Hosts with 6 IP addresses each:
amber.ns.cloudflare.com has IP addresses 108.162.192.64, 172.64.32.64 and 173.245.58.64, plus 3 other.
harvey.ns.cloudflare.com has IP addresses 108.162.195.152, 162.159.44.152 and 172.64.35.152, plus 3 other.