graycloud.study - robtex.com
graycloud.study
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::6815:39d2🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:95f3🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.57.210Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.149.243🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | julissa.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::a29f:2669🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | julissa.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c269🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | julissa.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2269🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | julissa.ns.cloudflare.com | ||||||
| A | 108.162.194.105🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | julissa.ns.cloudflare.com | ||||||
| A | 162.159.38.105Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | julissa.ns.cloudflare.com | ||||||
| A | 172.64.34.105🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | julissa.ns.cloudflare.com | ||||||
| NS | syeef.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2cee🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | syeef.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c3ee🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | syeef.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:23ee🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | syeef.ns.cloudflare.com | ||||||
| A | 108.162.195.238🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | syeef.ns.cloudflare.com | ||||||
| A | 162.159.44.238Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | syeef.ns.cloudflare.com | ||||||
| A | 172.64.35.238🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | syeef.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.57.210, 172.67.149.243 | ||||||
| IPv6 hints | 2606:4700:3030::6815:39d2, 2606:4700:3037::ac43:95f3 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=18, name=cloudflare-ech.com | ||||||
| SOA | julissa.ns.cloudflare.comdns@cloudflare.com serial=2418074073 | ||||||
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=1794201306 | ||||||
Same first word
Similar names
Previous names
Next names
DNS History
14 records (6 active, 8 former)
●NSjulissa.ns.cloudflare.com2026-10-19 → 2026-11-09 · 2 obs
● 2026-11-09 05:30:16
●NSsyeef.ns.cloudflare.com2026-10-19 → 2026-11-09 · 2 obs
● 2026-11-09 05:30:16
●A104.21.57.2102026-10-20 → 2026-11-09 · 5 obs
● 2026-10-20 05:47:14
○ 2026-11-06 20:54:56
● 2026-11-08 21:34:04
● 2026-11-09 05:30:16
●A172.67.149.2432026-10-20 → 2026-11-09 · 5 obs
● 2026-10-20 05:47:14
○ 2026-11-06 20:54:56
● 2026-11-08 21:34:04
● 2026-11-09 05:30:16
○A188.114.96.02026-11-06 → 2026-11-06 · 4 obs
● 2026-11-06 20:54:56
○ 2026-11-08 21:34:04
○ 2026-11-09 05:30:16
○A188.114.96.42026-10-19 → 2026-10-19 · 3 obs
○ 2026-10-20 05:47:14
○ 2026-11-09 05:30:16
○A188.114.97.02026-11-06 → 2026-11-06 · 4 obs
● 2026-11-06 20:54:56
○ 2026-11-08 21:34:04
○ 2026-11-09 05:30:16
○A188.114.97.42026-10-19 → 2026-10-19 · 3 obs
○ 2026-10-20 05:47:14
○ 2026-11-09 05:30:16
●A2606:4700:3030::6815:39d22026-10-20 → 2026-11-09 · 5 obs
● 2026-10-20 05:47:14
○ 2026-11-06 20:54:56
● 2026-11-08 21:34:04
● 2026-11-09 05:30:16
●A2606:4700:3037::ac43:95f32026-10-20 → 2026-11-09 · 5 obs
● 2026-10-20 05:47:14
○ 2026-11-06 20:54:56
● 2026-11-08 21:34:04
● 2026-11-09 05:30:16
○A2a06:98c1:3120::2026-11-06 → 2026-11-06 · 4 obs
● 2026-11-06 20:54:56
○ 2026-11-08 21:34:04
○ 2026-11-09 05:30:16
○A2a06:98c1:3120::42026-10-19 → 2026-10-19 · 3 obs
○ 2026-10-20 05:47:14
○ 2026-11-09 05:30:16
○A2a06:98c1:3121::2026-11-06 → 2026-11-06 · 4 obs
● 2026-11-06 20:54:56
○ 2026-11-08 21:34:04
○ 2026-11-09 05:30:16
○A2a06:98c1:3121::42026-10-19 → 2026-10-19 · 3 obs
○ 2026-10-20 05:47:14
○ 2026-11-09 05:30:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| study | c.nic.study, a.nic.study, b.nic.study, z.nic.study... | 12 records |
| graycloud.study | syeef.ns.cloudflare.com, julissa.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.35.238
NS records: syeef.ns.cloudflare.com, julissa.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for graycloud.study (unsigned zone)
⏱️ Timing
Total: 437ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.57.210, 172.67.149.243 |
| AAAA | 2 | 2606:4700:3030::6815:39d2, 2606:4700:3037::ac43:95f3 |
| NS | 2 | julissa.ns.cloudflare.com, syeef.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | julissa.ns.cloudflare.com dns.cloudflare |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (a.nic.study, b.nic.study, c.nic.study...)
Analysis
IP Addresses
graycloud.study has four IP addresses: 104.21.57.210, 172.67.149.243, 2606:4700:3030::6815:39d2 and 2606:4700:3037::ac43:95f3.
Additional host names — cmd398.bet, gompel-svacina.eu, jeankcooperlnc.com and two others — share IP numbers with graycloud.study.
Name Servers
The NS records for graycloud.study delegate to julissa.ns.cloudflare.com and syeef.ns.cloudflare.com.
graycloud.study shares its name server setup with other domains, including partydecorkits.com, waheedsardarryk29.workers.dev, steepwater2q97.workers.dev and two others.
graycloud.study partially shares its NS delegation with several other domains, including tempat-bermain-asik.pages.dev, dfbzcl.com, 754540252.workers.dev and two others.
The name servers robin.ns.cloudflare.com, will.ns.cloudflare.com, gwen.ns.cloudflare.com and pearl.ns.cloudflare.com are often found in use alongside these name servers.
Host names with 6 IP numbers:
julissa.ns.cloudflare.com maps to 108.162.194.105, 162.159.38.105, 172.64.34.105 and 3 additional IP addresses.
syeef.ns.cloudflare.com maps to 108.162.195.238, 162.159.44.238, 172.64.35.238 and 3 additional IP addresses.