simplify.study - dns.ninja
simplify.study
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3033::ac43:a506🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::6815:298a🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.41.138Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.165.6🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | lynn.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3bc9🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | lynn.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1c9🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | lynn.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21c9🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | lynn.ns.cloudflare.com | ||||||
| A | 108.162.193.201🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | lynn.ns.cloudflare.com | ||||||
| A | 172.64.33.201🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | lynn.ns.cloudflare.com | ||||||
| A | 173.245.59.201🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | lynn.ns.cloudflare.com | ||||||
| NS | rachel.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3ad7🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rachel.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0d7🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | rachel.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20d7🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | rachel.ns.cloudflare.com | ||||||
| A | 108.162.192.215🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rachel.ns.cloudflare.com | ||||||
| A | 172.64.32.215🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rachel.ns.cloudflare.com | ||||||
| A | 173.245.58.215🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rachel.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.41.138, 172.67.165.6 | ||||||
| IPv6 hints | 2606:4700:3033::ac43:a506, 2606:4700:3037::6815:298a | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=13, name=cloudflare-ech.com | ||||||
| SOA | lynn.ns.cloudflare.comdns@cloudflare.com serial=2415057736 | ||||||
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=1790224683 | ||||||
Same first word
Similar names
Previous names
Next names
DNS History
6 records (6 active, 0 former)
●NSlynn.ns.cloudflare.com2026-09-14 → 2026-09-24 · 2 obs
● 2026-09-24 05:02:52
●NSrachel.ns.cloudflare.com2026-09-14 → 2026-09-24 · 2 obs
● 2026-09-24 05:02:52
●A104.21.41.1382026-09-14 → 2026-09-24 · 2 obs
● 2026-09-24 05:02:52
●A172.67.165.62026-09-14 → 2026-09-24 · 2 obs
● 2026-09-24 05:02:52
●A2606:4700:3033::ac43:a5062026-09-14 → 2026-09-24 · 2 obs
● 2026-09-24 05:02:52
●A2606:4700:3037::6815:298a2026-09-14 → 2026-09-24 · 2 obs
● 2026-09-24 05:02:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| study | a.nic.study, b.nic.study, c.nic.study, x.nic.study... | 12 records |
| simplify.study | lynn.ns.cloudflare.com, rachel.ns.cloudflare.com | - |
✅ Authoritative Response
Server:173.245.58.215
NS records: lynn.ns.cloudflare.com, rachel.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for simplify.study (unsigned zone)
⏱️ Timing
Total: 711ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.165.6, 104.21.41.138 |
| AAAA | 2 | 2606:4700:3037::6815:298a, 2606:4700:3033::ac43:a506 |
| NS | 2 | lynn.ns.cloudflare.com, rachel.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | lynn.ns.cloudflare.com dns.cloudflare.co |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (a.nic.study, a.nic.study, b.nic.study...)
Analysis
IP Addresses
simplify.study points to the four IP addresses 104.21.41.138, 172.67.165.6, 2606:4700:3033::ac43:a506 and 2606:4700:3037::6815:298a.
ihatebillgates.com, dnadventure.com, nomadicdreams325.com and two other host names share IP numbers with simplify.study.
Name Servers
DNS delegation for simplify.study points to two name servers: lynn.ns.cloudflare.com and rachel.ns.cloudflare.com.
simplify.study uses the same name servers as several other domains — among them mamuninternational.org, bdesheba-nid-correction.pages.dev, vastuta.co and two more.
There is at least partial name server overlap between simplify.study and other domains — cjc9fdqt5yg-kqnh.top, pendidikan-wtvc.pages.dev, dfab.nl and two more among them.
These name servers are routinely deployed together with the name servers troy.ns.cloudflare.com.
Hostnames that resolve to 6 IP addresses:
lynn.ns.cloudflare.com has IP addresses 108.162.193.201, 172.64.33.201 and 173.245.59.201, plus 3 other.
rachel.ns.cloudflare.com has IP addresses 108.162.192.215, 172.64.32.215 and 173.245.58.215, plus 3 other.