isaimini.courses - robtex.com
isaimini.courses
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3034::6815:4016🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:ae61🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.64.22Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.174.97🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | ben.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3b67🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ben.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c167🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | ben.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2167🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | ben.ns.cloudflare.com | ||||||
| A | 108.162.193.103🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ben.ns.cloudflare.com | ||||||
| A | 172.64.33.103🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ben.ns.cloudflare.com | ||||||
| A | 173.245.59.103🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ben.ns.cloudflare.com | ||||||
| NS | sofia.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3adf🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sofia.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0df🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | sofia.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20df🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | sofia.ns.cloudflare.com | ||||||
| A | 108.162.192.223🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sofia.ns.cloudflare.com | ||||||
| A | 172.64.32.223🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sofia.ns.cloudflare.com | ||||||
| A | 173.245.58.223🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sofia.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.64.22, 172.67.174.97 | ||||||
| IPv6 hints | 2606:4700:3034::6815:4016, 2606:4700:3037::ac43:ae61 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=32, name=cloudflare-ech.com | ||||||
| SOA | ben.ns.cloudflare.comdns@cloudflare.com serial=2406964606 | ||||||
courses
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.nic.courses ⭐ | ||||||
| NS | b.nic.courses | ||||||
| NS | c.nic.courses | ||||||
| NS | x.nic.courses | ||||||
| NS | y.nic.courses | ||||||
| NS | z.nic.courses | ||||||
| SOA | a.nic.coursesadmin@tldns.godaddy serial=1784927598 | ||||||
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSben.ns.cloudflare.com2026-07-17 → 2026-07-24 · 2 obs
● 2026-07-24 21:34:56
●NSsofia.ns.cloudflare.com2026-07-17 → 2026-07-24 · 2 obs
● 2026-07-24 21:34:56
●A104.21.64.222026-07-17 → 2026-07-24 · 2 obs
● 2026-07-24 21:34:56
●A172.67.174.972026-07-17 → 2026-07-24 · 2 obs
● 2026-07-24 21:34:56
●A2606:4700:3034::6815:40162026-07-17 → 2026-07-24 · 2 obs
● 2026-07-24 21:34:56
●A2606:4700:3037::ac43:ae612026-07-17 → 2026-07-24 · 2 obs
● 2026-07-24 21:34:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| courses | y.nic.courses, b.nic.courses, a.nic.courses, c.nic.courses... | 12 records |
| isaimini.courses | sofia.ns.cloudflare.com, ben.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.32.223
NS records: sofia.ns.cloudflare.com, ben.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for isaimini.courses (unsigned zone)
⏱️ Timing
Total: 518ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.174.97, 104.21.64.22 |
| AAAA | 2 | 2606:4700:3034::6815:4016, 2606:4700:3037::ac43:ae61 |
| NS | 2 | ben.ns.cloudflare.com, sofia.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | ben.ns.cloudflare.com dns.cloudflare.com |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (a.nic.courses, b.nic.courses, c.nic.courses...)
Analysis
IP Addresses
isaimini.courses has four IP addresses: 104.21.64.22, 172.67.174.97, 2606:4700:3034::6815:4016 and 2606:4700:3037::ac43:ae61.
Additional host names — yirunds.com, app.(0x787878)lssop.one, kostas.com.py and two others — share IP numbers with isaimini.courses.
Name Servers
isaimini.courses has two authoritative name servers — ben.ns.cloudflare.com and sofia.ns.cloudflare.com.
isaimini.courses shares its name server setup with other domains, including sketchybusiness.io, isaimini.cool, sisacademypehowa.org and two others.
isaimini.courses has at least partial name server overlap with other domains, such as monsterkitchen.com.au, homeownerscircle.com, foodabovegold.com and two others.
It is common to find these name servers paired with the name servers indie.ns.cloudflare.com.
Host names with 6 IP numbers:
ben.ns.cloudflare.com points to 108.162.193.103, 172.64.33.103, 173.245.59.103 and 3 other IP addresses.
sofia.ns.cloudflare.com points to 108.162.192.223, 172.64.32.223, 173.245.58.223 and 3 other IP addresses.