cdn.simpsn.com - robtex.com
cdn.simpsn.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3033::6815:5b43🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:d358🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.91.67Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.211.88🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.91.67, 172.67.211.88 | ||||||
| IPv6 hints | 2606:4700:3033::6815:5b43, 2606:4700:3037::ac43:d358 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=31, name=cloudflare-ech.com | ||||||
simpsn.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3033::6815:5b43🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:d358🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.91.67Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.211.88🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | mary.ns.cloudflare.com ⭐ | ||||||
| NS | rick.ns.cloudflare.com | ||||||
| MX | route3.mx.cloudflare.net ⭐ | ||||||
| MX | route2.mx.cloudflare.net(67) | ||||||
| MX | route1.mx.cloudflare.net(91) | ||||||
| TXT | apple-domain=B2X5wdj5fLj6Xl8X | ||||||
| TXT | google-site-verification=jwnCUFqLo90t-RMseWyilWsO17h_tki-C8fzqzQbvnI | ||||||
| TXT | v=spf1 include:_spf.mx.cloudflare.net ~all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.91.67, 172.67.211.88 | ||||||
| IPv6 hints | 2606:4700:3033::6815:5b43, 2606:4700:3037::ac43:d358 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=31, name=cloudflare-ech.com | ||||||
| SOA | mary.ns.cloudflare.comdns@cloudflare.com serial=2403757098 | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●A104.21.91.672026-02-15 → 2026-05-09 · 2 obs
● 2026-02-15 14:01:18
● 2026-05-09 00:54:06
● 2026-05-09 00:54:06
●A172.67.211.882026-02-15 → 2026-05-09 · 2 obs
● 2026-02-15 14:01:18
● 2026-05-09 00:54:06
● 2026-05-09 00:54:06
●A2606:4700:3033::6815:5b432026-02-15 → 2026-05-09 · 2 obs
● 2026-02-15 14:01:18
● 2026-05-09 00:54:06
● 2026-05-09 00:54:06
●A2606:4700:3037::ac43:d3582026-02-15 → 2026-05-09 · 2 obs
● 2026-02-15 14:01:18
● 2026-05-09 00:54:06
● 2026-05-09 00:54:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| simpsn.com | rick.ns.cloudflare.com, mary.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.192.134
NS records: rick.ns.cloudflare.com, mary.ns.cloudflare.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 221ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.91.67, 172.67.211.88 |
| AAAA | 2 | 2606:4700:3033::6815:5b43, 2606:4700:3037::ac43:d358 |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (rick.ns.cloudflare.com, rick.ns.cloudflare.com, rick.ns.cloudflare.com...)
Analysis
IP Addresses
cdn.simpsn.com maps to four IP numbers: 2606:4700:3033::6815:5b43, 2606:4700:3037::ac43:d358, 104.21.91.67 and 172.67.211.88.
other host names include ns2.scriptinstall.rocks, astake.cc, centobot.com, www.scriptinstall.rocks and www.learngrowteach.com; they share IP numbers with cdn.simpsn.com.