openai.fangfsz.workers.dev - robtex.com

openai.fangfsz.workers.dev

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:28c7🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3030::ac43:8a8f🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.40.199Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.138.143🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.40.199, 172.67.138.143
IPv6 hints2606:4700:3030::6815:28c7, 2606:4700:3030::ac43:8a8f
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=232, name=cloudflare-ech.com

fangfsz.workers.dev

DNSSEC⚠️ Not signed
NShuxley.ns.cloudflare.com ⭐
NSnola.ns.cloudflare.com
SOAhuxley.ns.cloudflare.comdns@cloudflare.com serial=2409456905

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DNS History

4 records (4 active, 0 former)

A104.21.40.199172.67.138.1432606:4700:3030::6815:28c72606:4700:3030::ac43:8a8f
●A104.21.40.1992026-06-28 → 2026-07-27 · 2 obs
● 2026-06-28 15:26:58
● 2026-07-27 23:50:12
●A172.67.138.1432026-06-28 → 2026-07-27 · 2 obs
● 2026-06-28 15:26:58
● 2026-07-27 23:50:12
●A2606:4700:3030::6815:28c72026-06-28 → 2026-07-27 · 2 obs
● 2026-06-28 15:26:58
● 2026-07-27 23:50:12
●A2606:4700:3030::ac43:8a8f2026-06-28 → 2026-07-27 · 2 obs
● 2026-06-28 15:26:58
● 2026-07-27 23:50:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
workers.devsofia.ns.cloudflare.com, clyde.ns.cloudflare.com-
fangfsz.workers.devhuxley.ns.cloudflare.com, nola.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.44.188

NS records: huxley.ns.cloudflare.com, nola.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for workers.dev (unsigned zone)

⏱️ Timing

Total: 272ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.138.143, 104.21.40.199
AAAA22606:4700:3030::6815:28c7, 2606:4700:3030::ac43:8a8f
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

openai.fangfsz.workers.dev directs to four IP numbers, which are 104.21.40.199, 172.67.138.143, 2606:4700:3030::6815:28c7 and 2606:4700:3030::ac43:8a8f.

autodiscover.4gitc.com, d2go.io, bankibps.com and two other host names share IP numbers with openai.fangfsz.workers.dev.