quicknotes.study - robtex.com
quicknotes.study
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3033::6815:605f🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:b049🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.96.95Cloudflare104.21.96.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.176.73🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | uriah.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::a29f:2cc2🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | uriah.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c3c2🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | uriah.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:23c2🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | uriah.ns.cloudflare.com | ||||||
| A | 108.162.195.194🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | uriah.ns.cloudflare.com | ||||||
| A | 162.159.44.194Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | uriah.ns.cloudflare.com | ||||||
| A | 172.64.35.194🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | uriah.ns.cloudflare.com | ||||||
| NS | zita.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3af3🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | zita.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0f3🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | zita.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20f3🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | zita.ns.cloudflare.com | ||||||
| A | 108.162.192.243🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | zita.ns.cloudflare.com | ||||||
| A | 172.64.32.243🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | zita.ns.cloudflare.com | ||||||
| A | 173.245.58.243🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | zita.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.96.95, 172.67.176.73 | ||||||
| IPv6 hints | 2606:4700:3033::6815:605f, 2606:4700:3037::ac43:b049 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=187, name=cloudflare-ech.com | ||||||
| SOA | uriah.ns.cloudflare.comdns@cloudflare.com serial=2415664086 | ||||||
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.studyadmin@tldns.godaddy serial=1790694298 | ||||||
Same first word
Similar names
Previous names
Next names
DNS History
6 records (6 active, 0 former)
●NSuriah.ns.cloudflare.com2026-09-24 → 2026-09-29 · 2 obs
● 2026-09-29 16:04:14
●NSzita.ns.cloudflare.com2026-09-24 → 2026-09-29 · 2 obs
● 2026-09-29 16:04:14
●A104.21.96.952026-09-24 → 2026-09-29 · 2 obs
● 2026-09-29 16:04:14
●A172.67.176.732026-09-24 → 2026-09-29 · 2 obs
● 2026-09-29 16:04:14
●A2606:4700:3033::6815:605f2026-09-24 → 2026-09-29 · 2 obs
● 2026-09-29 16:04:14
●A2606:4700:3037::ac43:b0492026-09-24 → 2026-09-29 · 2 obs
● 2026-09-29 16:04:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| study | a.nic.study, c.nic.study, b.nic.study, x.nic.study... | 12 records |
| quicknotes.study | zita.ns.cloudflare.com, uriah.ns.cloudflare.com | - |
✅ Authoritative Response
Server:162.159.44.194
NS records: zita.ns.cloudflare.com, uriah.ns.cloudflare.com
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
Validation error at study: Error: DNS query timeout: 37.209.192.10 for DNSKEY study
⏱️ Timing
Total: 3654ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.176.73, 104.21.96.95 |
| AAAA | 2 | 2606:4700:3033::6815:605f, 2606:4700:3037::ac43:b049 |
| NS | 2 | uriah.ns.cloudflare.com, zita.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | uriah.ns.cloudflare.com dns.cloudflare.c |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (a.nic.study, b.nic.study, c.nic.study...)
Analysis
IP Addresses
quicknotes.study points to the four IP addresses 104.21.96.95, 172.67.176.73, 2606:4700:3033::6815:605f and 2606:4700:3037::ac43:b049.
haqave.com, 8bgame.pro, molakent.com.tr and two other host names share IP numbers with quicknotes.study.
Name Servers
quicknotes.study has two authoritative name servers — uriah.ns.cloudflare.com and zita.ns.cloudflare.com.
quicknotes.study uses the same name servers as several other domains — among them velnatrixaq.pro, novasrf24.com, nexxtgaze1a.xyz and two more.
The name servers of quicknotes.study overlap at least partially with those of other domains — among them abc8.cafe, hortiworld.eu, resonantbusiness.ca and two more.
These name servers commonly appear in combination with the name servers nadia.ns.cloudflare.com.
Hostnames that resolve to 6 IP addresses:
uriah.ns.cloudflare.com points to 108.162.195.194, 162.159.44.194, 172.64.35.194 and 3 other IP addresses.
zita.ns.cloudflare.com points to 108.162.192.243, 172.64.32.243, 173.245.58.243 and 3 other IP addresses.