www.thecastly.com - robtex.com

www.thecastly.com

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:cef6🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::6815:455e🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.69.94Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.206.246🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.69.94, 172.67.206.246
IPv6 hints2606:4700:3031::ac43:cef6, 2606:4700:3033::6815:455e
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=24, name=cloudflare-ech.com

thecastly.com

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:cef6🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::6815:455e🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.69.94Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.206.246🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSbrynne.ns.cloudflare.com ⭐
NSgordon.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.69.94, 172.67.206.246
IPv6 hints2606:4700:3031::ac43:cef6, 2606:4700:3033::6815:455e
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=24, name=cloudflare-ech.com
SOAbrynne.ns.cloudflare.comdns@cloudflare.com serial=2404800717
⚠️ On DNS blocklist: ultimate
⚠️ On DNS blocklist: tif, ultimate

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DNS History

10 records (4 active, 6 former)

A104.21.69.94172.67.206.2462606:4700:3031::ac43:cef62606:4700:3033::6815:455e188.114.96.0188.114.97.02606:4700:3030::6815:455e2606:4700:3035::ac43:cef62a06:98c1:3120::2a06:98c1:3121::
●A104.21.69.942026-05-24 → 2026-07-11 · 4 obs
● 2026-05-24 09:36:40
● 2026-06-15 23:07:58
○ 2026-06-18 04:21:34
● 2026-07-11 12:42:58
●A172.67.206.2462026-05-24 → 2026-07-11 · 4 obs
● 2026-05-24 09:36:40
● 2026-06-15 23:07:58
○ 2026-06-18 04:21:34
● 2026-07-11 12:42:58
○A188.114.96.02026-06-18 → 2026-06-18 · 3 obs
○ 2026-06-15 23:07:58
● 2026-06-18 04:21:34
○ 2026-07-11 12:42:58
○A188.114.97.02026-06-18 → 2026-06-18 · 3 obs
○ 2026-06-15 23:07:58
● 2026-06-18 04:21:34
○ 2026-07-11 12:42:58
○A2606:4700:3030::6815:455e2026-05-24 → 2026-06-15 · 4 obs
● 2026-05-24 09:36:40
● 2026-06-15 23:07:58
○ 2026-06-18 04:21:34
○ 2026-07-11 12:42:58
●A2606:4700:3031::ac43:cef62026-07-11 → 2026-07-11 · 2 obs
○ 2026-06-18 04:21:34
● 2026-07-11 12:42:58
●A2606:4700:3033::6815:455e2026-07-11 → 2026-07-11 · 2 obs
○ 2026-06-18 04:21:34
● 2026-07-11 12:42:58
○A2606:4700:3035::ac43:cef62026-05-24 → 2026-06-15 · 4 obs
● 2026-05-24 09:36:40
● 2026-06-15 23:07:58
○ 2026-06-18 04:21:34
○ 2026-07-11 12:42:58
○A2a06:98c1:3120::2026-06-18 → 2026-06-18 · 3 obs
○ 2026-06-15 23:07:58
● 2026-06-18 04:21:34
○ 2026-07-11 12:42:58
○A2a06:98c1:3121::2026-06-18 → 2026-06-18 · 3 obs
○ 2026-06-15 23:07:58
● 2026-06-18 04:21:34
○ 2026-07-11 12:42:58

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
thecastly.comgordon.ns.cloudflare.com, brynne.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.170

NS records: gordon.ns.cloudflare.com, brynne.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for thecastly.com (unsigned zone)

⏱️ Timing

Total: 138ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.69.94, 172.67.206.246
AAAA22606:4700:3031::ac43:cef6, 2606:4700:3033::6815:455e
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (gordon.ns.cloudflare.com, gordon.ns.cloudflare.com, gordon.ns.cloudflare.com...)

Analysis

IP Addresses

www.thecastly.com has four IP addresses: 104.21.69.94, 172.67.206.246, 2606:4700:3031::ac43:cef6 and 2606:4700:3033::6815:455e.

stonefieldhomeclassaction.com, computerguyofgastonia.com, houstoniamag.com plus two other host names have IP numbers in common with www.thecastly.com.