execoasiscourses.sbs - robtex.com
execoasiscourses.sbs
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3032::ac43:a05a🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::6815:3a8d🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.58.141Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.160.90🇺🇸 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 | itzel.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:262a🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | itzel.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c22a🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | itzel.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:222a🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | itzel.ns.cloudflare.com | ||||||
| A | 108.162.194.42🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | itzel.ns.cloudflare.com | ||||||
| A | 162.159.38.42Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | itzel.ns.cloudflare.com | ||||||
| A | 172.64.34.42🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | itzel.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.58.141, 172.67.160.90 | ||||||
| IPv6 hints | 2606:4700:3032::ac43:a05a, 2606:4700:3037::6815:3a8d | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=25, name=cloudflare-ech.com | ||||||
| SOA | ben.ns.cloudflare.comdns@cloudflare.com serial=2408427060 | ||||||
sbs
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns0.centralnic.net ⭐ | ||||||
| NS | a.nic.sbs | ||||||
| NS | b.nic.sbs | ||||||
| NS | c.nic.sbs | ||||||
| NS | d.nic.sbs | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=1785589747 | ||||||
Same first word
execoasiscourses.sbs |
DNS History
10 records (6 active, 4 former)
●NSben.ns.cloudflare.com2026-07-26 → 2026-08-01 · 2 obs
● 2026-08-01 13:52:24
●NSitzel.ns.cloudflare.com2026-07-26 → 2026-08-01 · 2 obs
● 2026-08-01 13:52:24
●A104.21.58.1412026-08-01 → 2026-08-01 · 2 obs
● 2026-08-01 13:52:24
●A172.67.160.902026-08-01 → 2026-08-01 · 2 obs
● 2026-08-01 13:52:24
○A188.114.96.02026-07-26 → 2026-07-26 · 2 obs
○ 2026-08-01 13:52:24
○A188.114.97.02026-07-26 → 2026-07-26 · 2 obs
○ 2026-08-01 13:52:24
●A2606:4700:3032::ac43:a05a2026-08-01 → 2026-08-01 · 2 obs
● 2026-08-01 13:52:24
●A2606:4700:3037::6815:3a8d2026-08-01 → 2026-08-01 · 2 obs
● 2026-08-01 13:52:24
○A2a06:98c1:3120::2026-07-26 → 2026-07-26 · 2 obs
○ 2026-08-01 13:52:24
○A2a06:98c1:3121::2026-07-26 → 2026-07-26 · 2 obs
○ 2026-08-01 13:52:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| sbs | a.nic.sbs, b.nic.sbs, c.nic.sbs, d.nic.sbs | 8 records |
| execoasiscourses.sbs | itzel.ns.cloudflare.com, ben.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.33.103
NS records: itzel.ns.cloudflare.com, ben.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for execoasiscourses.sbs (unsigned zone)
⏱️ Timing
Total: 312ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.58.141, 172.67.160.90 |
| AAAA | 2 | 2606:4700:3032::ac43:a05a, 2606:4700:3037::6815:3a8d |
| NS | 2 | ben.ns.cloudflare.com, itzel.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | ben.ns.cloudflare.com dns.cloudflare.com |
📌 Glue Records Collected
Total: 8
In-bailiwick: 8 (a.nic.sbs, b.nic.sbs, c.nic.sbs...)
Analysis
IP Addresses
execoasiscourses.sbs has four IP addresses: 104.21.58.141, 172.67.160.90, 2606:4700:3032::ac43:a05a and 2606:4700:3037::6815:3a8d.
rweurweb.online, lifetime758.com, manbuttered.com plus two other host names have IP numbers in common with execoasiscourses.sbs.
Name Servers
The NS records for execoasiscourses.sbs delegate to ben.ns.cloudflare.com and itzel.ns.cloudflare.com.
The name server configuration of execoasiscourses.sbs is shared with other domains, for instance 9888lll.com, win9999.pro, cwin07.com and two others.
execoasiscourses.sbs shares at least some of its name servers with other domains, including campusvirtual.com.mx, masterskaya.msk.ru, workfirstaid.com and two others.
These name servers are frequently paired with the name servers rory.ns.cloudflare.com and indie.ns.cloudflare.com.
Hosts with 6 IP addresses each:
ben.ns.cloudflare.com maps to 108.162.193.103, 172.64.33.103, 173.245.59.103 and 3 additional IP addresses.
itzel.ns.cloudflare.com maps to 108.162.194.42, 162.159.38.42, 172.64.34.42 and 3 additional IP addresses.