100study.ai - dns.ninja
100study.ai
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::ac43:ce20🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3033::6815:2551🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.37.81Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.206.32🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | hugh.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3b75🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | hugh.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c175🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | hugh.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2175🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | hugh.ns.cloudflare.com | ||||||
| A | 108.162.193.117🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | hugh.ns.cloudflare.com | ||||||
| A | 172.64.33.117🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | hugh.ns.cloudflare.com | ||||||
| A | 173.245.59.117🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | hugh.ns.cloudflare.com | ||||||
| NS | norah.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:2646🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | norah.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c246🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | norah.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2246🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | norah.ns.cloudflare.com | ||||||
| A | 108.162.194.70🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | norah.ns.cloudflare.com | ||||||
| A | 162.159.38.70Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | norah.ns.cloudflare.com | ||||||
| A | 172.64.34.70🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | norah.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.37.81, 172.67.206.32 | ||||||
| IPv6 hints | 2606:4700:3031::ac43:ce20, 2606:4700:3033::6815:2551 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=16, name=cloudflare-ech.com | ||||||
| SOA | hugh.ns.cloudflare.comdns@cloudflare.com serial=2410494548 | ||||||
ai
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | v0n0.nic.ai ⭐ | ||||||
| NS | v0n1.nic.ai | ||||||
| NS | v0n2.nic.ai | ||||||
| NS | v0n3.nic.ai | ||||||
| NS | v2n0.nic.ai | ||||||
| NS | v2n1.nic.ai | ||||||
| SOA | v0n0.nic.aihostmaster@donuts.email serial=1785736481 | ||||||
Same first word
Similar names
DNS History
10 records (6 active, 4 former)
●NShugh.ns.cloudflare.com2026-06-20 → 2026-08-03 · 2 obs
● 2026-08-03 06:53:08
●NSnorah.ns.cloudflare.com2026-06-20 → 2026-08-03 · 2 obs
● 2026-08-03 06:53:08
●A104.21.37.812026-08-03 → 2026-08-03 · 2 obs
● 2026-08-03 06:53:08
●A172.67.206.322026-08-03 → 2026-08-03 · 2 obs
● 2026-08-03 06:53:08
○A188.114.96.02026-06-20 → 2026-06-20 · 2 obs
○ 2026-08-03 06:53:08
○A188.114.97.02026-06-20 → 2026-06-20 · 2 obs
○ 2026-08-03 06:53:08
●A2606:4700:3031::ac43:ce202026-08-03 → 2026-08-03 · 2 obs
● 2026-08-03 06:53:08
●A2606:4700:3033::6815:25512026-08-03 → 2026-08-03 · 2 obs
● 2026-08-03 06:53:08
○A2a06:98c1:3120::2026-06-20 → 2026-06-20 · 2 obs
○ 2026-08-03 06:53:08
○A2a06:98c1:3121::2026-06-20 → 2026-06-20 · 2 obs
○ 2026-08-03 06:53:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ai | v0n0.nic.ai, v2n1.nic.ai, v2n0.nic.ai, v0n3.nic.ai... | - |
| 100study.ai | hugh.ns.cloudflare.com, norah.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.33.117
NS records: hugh.ns.cloudflare.com, norah.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 100study.ai (unsigned zone)
⏱️ Timing
Total: 548ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.206.32, 104.21.37.81 |
| AAAA | 2 | 2606:4700:3031::ac43:ce20, 2606:4700:3033::6815:2551 |
| NS | 2 | hugh.ns.cloudflare.com, norah.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | hugh.ns.cloudflare.com dns.cloudflare.co |
Analysis
IP Addresses
100study.ai has four IP addresses: 104.21.37.81, 172.67.206.32, 2606:4700:3031::ac43:ce20 and 2606:4700:3033::6815:2551.
Two other host names, along with retireetoday.com, fabet.blue and freshseafoodineastprovidenceri.com.cdn.cloudflare.net, also share IP numbers with 100study.ai.
Name Servers
The NS records for 100study.ai delegate to hugh.ns.cloudflare.com and norah.ns.cloudflare.com.
100study.ai shares its NS records with other domains, for example globeecho.com, casino34213.top, solclima.com and two others.
100study.ai partially shares its NS delegation with several other domains, including lianzunwuzi.com, cypy.edu.hk, 3jiantao.com and two others.
The name servers austin.ns.cloudflare.com, zoe.ns.cloudflare.com, damian.ns.cloudflare.com and chan.ns.cloudflare.com are often found in use alongside these name servers.
DNS names with 6 IP addresses:
hugh.ns.cloudflare.com maps to 108.162.193.117, 172.64.33.117, 173.245.59.117 and 3 additional IP addresses.
norah.ns.cloudflare.com maps to 108.162.194.70, 162.159.38.70, 172.64.34.70 and 3 additional IP addresses.