fibtcourse.lat - robtex.com
fibtcourse.lat
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::6815:b79🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:a604🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.11.121Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.166.4🇺🇸 Cloudflare172.67.160.0/20 , 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=GJ-6Fh4BtpXo89jNXZl5O2QzCljBw3cv6_SXbnwqdEA | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.11.121, 172.67.166.4 | ||||||
| IPv6 hints | 2606:4700:3031::6815:b79, 2606:4700:3037::ac43:a604 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=222, name=cloudflare-ech.com | ||||||
| SOA | aria.ns.cloudflare.comdns@cloudflare.com serial=2411784031 | ||||||
lat
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns0.centralnic.net ⭐ | ||||||
| NS | a.nic.lat | ||||||
| NS | b.nic.lat | ||||||
| NS | c.nic.lat | ||||||
| NS | d.nic.lat | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=167385076 | ||||||
Same first word
fibtcourse.lat |
Similar names
DNS History
7 records (6 active, 1 former)
●NSaria.ns.cloudflare.com2026-04-27 → 2026-08-11 · 2 obs
● 2026-08-11 07:11:14
●NSmario.ns.cloudflare.com2026-04-27 → 2026-08-11 · 2 obs
● 2026-08-11 07:11:14
●A104.21.11.1212026-04-27 → 2026-08-11 · 2 obs
● 2026-08-11 07:11:14
●A172.67.166.42026-04-27 → 2026-08-11 · 2 obs
● 2026-08-11 07:11:14
●A2606:4700:3031::6815:b792026-07-03 → 2026-08-11 · 3 obs
● 2026-07-03 15:16:58
● 2026-08-11 07:11:14
○A2606:4700:3035::6815:b792026-04-27 → 2026-06-14 · 4 obs
● 2026-06-14 04:51:42
○ 2026-07-03 15:16:58
○ 2026-08-11 07:11:14
●A2606:4700:3037::ac43:a6042026-04-27 → 2026-08-11 · 2 obs
● 2026-08-11 07:11:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| lat | c.nic.lat, a.nic.lat, d.nic.lat, b.nic.lat | 8 records |
| fibtcourse.lat | aria.ns.cloudflare.com, mario.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.33.203
NS records: aria.ns.cloudflare.com, mario.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for fibtcourse.lat (unsigned zone)
⏱️ Timing
Total: 296ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.11.121, 172.67.166.4 |
| AAAA | 2 | 2606:4700:3031::6815:b79, 2606:4700:3037::ac43:a604 |
| NS | 2 | aria.ns.cloudflare.com, mario.ns.cloudflare.com |
| TXT | 1 | google-site-verification=GJ-6Fh4BtpXo89j |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | aria.ns.cloudflare.com dns.cloudflare.co |
📌 Glue Records Collected
Total: 8
In-bailiwick: 8 (c.nic.lat, c.nic.lat, a.nic.lat...)
Analysis
IP Addresses
fibtcourse.lat points to the four IP addresses 104.21.11.121, 172.67.166.4, 2606:4700:3031::6815:b79 and 2606:4700:3037::ac43:a604.
onix-project.com, wiw.mazowsze.pl, ca-appmobile214.com and two other host names share IP numbers with fibtcourse.lat.
Name Servers
fibtcourse.lat uses two name servers for its delegation: aria.ns.cloudflare.com and mario.ns.cloudflare.com.
fibtcourse.lat uses the same name servers as several other domains — among them martcourse.de, huazn-ru.com, ilcourse.com and two more.
At least some of fibtcourse.lat's name servers are shared with other domains, for example bewertungenkaufen.com, libraryweblog.com, zbyi.net and two more.
These name servers tend to be used in conjunction with the name servers charles.ns.cloudflare.com.
Hostnames that resolve to 6 IP addresses:
Hostname aria.ns.cloudflare.com directs to 108.162.192.68, 172.64.32.68 and 173.245.58.68 along with 3 other IP addresses.
Hostname mario.ns.cloudflare.com directs to 108.162.193.203, 172.64.33.203 and 173.245.59.203 along with 3 other IP addresses.