cognitivesystemsauthority.com - robtex.com
cognitivesystemsauthority.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::6815:17f4🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3033::ac43:d6b4🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.23.244Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.214.180🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | tess.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3ae3🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | tess.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0e3🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | tess.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20e3🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | tess.ns.cloudflare.com | ||||||
| A | 108.162.192.227🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | tess.ns.cloudflare.com | ||||||
| A | 172.64.32.227🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | tess.ns.cloudflare.com | ||||||
| A | 173.245.58.227🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | tess.ns.cloudflare.com | ||||||
| NS | vin.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3bf5🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | vin.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1f5🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | vin.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21f5🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | vin.ns.cloudflare.com | ||||||
| A | 108.162.193.245🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | vin.ns.cloudflare.com | ||||||
| A | 172.64.33.245🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | vin.ns.cloudflare.com | ||||||
| A | 173.245.59.245🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | vin.ns.cloudflare.com | ||||||
| TXT | google-site-verification=Ny1988005TMWrszoNy43GmwXdK9lZAt34oROKemQRyU | ||||||
| TXT | v=spf1 -all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.23.244, 172.67.214.180 | ||||||
| IPv6 hints | 2606:4700:3031::6815:17f4, 2606:4700:3033::ac43:d6b4 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=54, name=cloudflare-ech.com | ||||||
| SOA | tess.ns.cloudflare.comdns@cloudflare.com serial=2410527138 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1785344677 | ||||||
Same first word
cognitivesystemsauthority.com |
DNS History
10 records (6 active, 4 former)
●NStess.ns.cloudflare.com2026-07-20 → 2026-07-29 · 2 obs
● 2026-07-29 17:24:36
●NSvin.ns.cloudflare.com2026-07-20 → 2026-07-29 · 2 obs
● 2026-07-29 17:24:36
●A104.21.23.2442026-07-29 → 2026-07-29 · 2 obs
● 2026-07-29 17:24:36
●A172.67.214.1802026-07-29 → 2026-07-29 · 2 obs
● 2026-07-29 17:24:36
○A188.114.96.02026-07-20 → 2026-07-20 · 2 obs
○ 2026-07-29 17:24:36
○A188.114.97.02026-07-20 → 2026-07-20 · 2 obs
○ 2026-07-29 17:24:36
●A2606:4700:3031::6815:17f42026-07-29 → 2026-07-29 · 2 obs
● 2026-07-29 17:24:36
●A2606:4700:3033::ac43:d6b42026-07-29 → 2026-07-29 · 2 obs
● 2026-07-29 17:24:36
○A2a06:98c1:3120::2026-07-20 → 2026-07-20 · 2 obs
○ 2026-07-29 17:24:36
○A2a06:98c1:3121::2026-07-20 → 2026-07-20 · 2 obs
○ 2026-07-29 17:24:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, k.gtld-servers.net, j.gtld-servers.net, a.gtld-servers.net... | - |
| cognitivesystemsauthority.com | tess.ns.cloudflare.com, vin.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.192.227
NS records: tess.ns.cloudflare.com, vin.ns.cloudflare.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 199ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.23.244, 172.67.214.180 |
| AAAA | 2 | 2606:4700:3033::ac43:d6b4, 2606:4700:3031::6815:17f4 |
| NS | 2 | tess.ns.cloudflare.com, vin.ns.cloudflare.com |
| TXT | 2 | google-site-verification=Ny1988005TMWrsz, v=spf1 -all |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | tess.ns.cloudflare.com dns.cloudflare.co |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (tess.ns.cloudflare.com, tess.ns.cloudflare.com, tess.ns.cloudflare.com...)
Analysis
IP Addresses
cognitivesystemsauthority.com points to the four IP addresses 104.21.23.244, 172.67.214.180, 2606:4700:3031::6815:17f4 and 2606:4700:3033::ac43:d6b4.
bestcrowntime.com, zerkalo.club, roobet-suomi.com and two other host names share IP numbers with cognitivesystemsauthority.com.
Name Servers
cognitivesystemsauthority.com uses two name servers for its delegation: tess.ns.cloudflare.com and vin.ns.cloudflare.com.
cognitivesystemsauthority.com uses the same name servers as several other domains — among them nationaljunkremovalauthority.com, energyefficiencyauthority.com, newhampshirelegalservicesauthority.com and two more.
The name servers of cognitivesystemsauthority.com overlap at least partially with those of other domains — among them empregosnobrasil.com.br, shedaustoufitch.net, 121server.com and two more.
The name servers coco.ns.cloudflare.com, melany.ns.cloudflare.com and art.ns.cloudflare.com are commonly seen alongside these name servers.
Hostnames that resolve to 6 IP addresses:
Hostname tess.ns.cloudflare.com directs to 108.162.192.227, 172.64.32.227 and 173.245.58.227 along with 3 other IP addresses.
Hostname vin.ns.cloudflare.com directs to 108.162.193.245, 172.64.33.245 and 173.245.59.245 along with 3 other IP addresses.