fibcourses.art - robtex.com
fibcourses.art
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3032::6815:3f51🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::ac43:9052🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.63.81Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.144.82🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | aria.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3a44🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | aria.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c044🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | aria.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2044🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | aria.ns.cloudflare.com | ||||||
| A | 108.162.192.68🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | aria.ns.cloudflare.com | ||||||
| A | 172.64.32.68🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | aria.ns.cloudflare.com | ||||||
| A | 173.245.58.68🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | aria.ns.cloudflare.com | ||||||
| NS | mario.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3bcb🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | mario.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1cb🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | mario.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21cb🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | mario.ns.cloudflare.com | ||||||
| A | 108.162.193.203🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | mario.ns.cloudflare.com | ||||||
| A | 172.64.33.203🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | mario.ns.cloudflare.com | ||||||
| A | 173.245.59.203🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | mario.ns.cloudflare.com | ||||||
| TXT | google-site-verification=ZM_PeW9My3PizW-CNENJX9c3n1m8xGD55R1XJHx2m38 | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.63.81, 172.67.144.82 | ||||||
| IPv6 hints | 2606:4700:3032::6815:3f51, 2606:4700:3035::ac43:9052 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=15, name=cloudflare-ech.com | ||||||
| SOA | aria.ns.cloudflare.comdns@cloudflare.com serial=2405048165 | ||||||
art
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns0.centralnic.net ⭐ | ||||||
| NS | a.nic.art | ||||||
| NS | b.nic.art | ||||||
| NS | c.nic.art | ||||||
| NS | d.nic.art | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=366177 | ||||||
Same first word
fibcourses.art |
fibcourses.pics |
Similar names
DNS History
8 records (6 active, 2 former)
●NSaria.ns.cloudflare.com2026-06-01 → 2026-07-10 · 2 obs
● 2026-07-10 13:45:36
●NSmario.ns.cloudflare.com2026-06-01 → 2026-07-10 · 2 obs
● 2026-07-10 13:45:36
●A104.21.63.812026-06-01 → 2026-07-10 · 2 obs
● 2026-07-10 13:45:36
●A172.67.144.822026-06-01 → 2026-07-10 · 2 obs
● 2026-07-10 13:45:36
○A2606:4700:3030::6815:3f512026-06-01 → 2026-06-01 · 3 obs
○ 2026-07-01 02:24:18
○ 2026-07-10 13:45:36
●A2606:4700:3032::6815:3f512026-07-01 → 2026-07-10 · 3 obs
● 2026-07-01 02:24:18
● 2026-07-10 13:45:36
○A2606:4700:3034::ac43:90522026-06-01 → 2026-06-01 · 3 obs
○ 2026-07-01 02:24:18
○ 2026-07-10 13:45:36
●A2606:4700:3035::ac43:90522026-07-01 → 2026-07-10 · 3 obs
● 2026-07-01 02:24:18
● 2026-07-10 13:45:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| art | d.nic.art, b.nic.art, a.nic.art, c.nic.art | 8 records |
| fibcourses.art | mario.ns.cloudflare.com, aria.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.193.203
NS records: mario.ns.cloudflare.com, aria.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for fibcourses.art (unsigned zone)
⏱️ Timing
Total: 4664ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.144.82, 104.21.63.81 |
| AAAA | 2 | 2606:4700:3035::ac43:9052, 2606:4700:3032::6815:3f51 |
| NS | 2 | aria.ns.cloudflare.com, mario.ns.cloudflare.com |
| TXT | 1 | google-site-verification=ZM_PeW9My3PizW- |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | aria.ns.cloudflare.com dns.cloudflare.co |
📌 Glue Records Collected
Total: 8
In-bailiwick: 8 (a.nic.art, b.nic.art, c.nic.art...)
Analysis
IP Addresses
fibcourses.art has four IP addresses: 104.21.63.81, 172.67.144.82, 2606:4700:3032::6815:3f51 and 2606:4700:3035::ac43:9052.
staging.sasoccermag.co.za, spinmaxplanet.us, 97g.net plus two other host names have IP numbers in common with fibcourses.art.
Name Servers
fibcourses.art has two authoritative name servers — aria.ns.cloudflare.com and mario.ns.cloudflare.com.
The name server configuration of fibcourses.art is shared with other domains, for instance uacable.com, ficourse.lat, crecoursee.media and two others.
fibcourses.art has at least partial name server overlap with other domains, such as discountbible.com, directtire.ca, oheetahlnfo.com and two others.
These name servers tend to appear together with the name servers elaine.ns.cloudflare.com, igor.ns.cloudflare.com and cory.ns.cloudflare.com.
Hosts with 6 IP addresses each:
aria.ns.cloudflare.com points to 108.162.192.68, 172.64.32.68, 173.245.58.68 and 3 other IP addresses.
mario.ns.cloudflare.com points to 108.162.193.203, 172.64.33.203, 173.245.59.203 and 3 other IP addresses.