openai.whose.workers.dev - dns.ninja

`openai.whose.workers.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:b26e^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::6815:4b9c^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.75.156^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.178.110^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.75.156, 172.67.178.110
		IPv6 hints	2606:4700:3032::ac43:b26e, 2606:4700:3033::6815:4b9c
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=152, name=cloudflare-ech.com

`whose.workers.dev`

	DNSSEC	⚠️ Not signed
	NS	`aron.ns.cloudflare.com` ⭐
	NS	`norm.ns.cloudflare.com`
	SOA	`aron.ns.cloudflare.com`dns@cloudflare.com serial=2411611870

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DNS History

6 records (4 active, 2 former)

●A104.21.75.1562026-06-28 → 2026-08-07 · 2 obs

● 2026-06-28 15:53:56
● 2026-08-07 21:09:30

●A172.67.178.1102026-06-28 → 2026-08-07 · 2 obs

● 2026-06-28 15:53:56
● 2026-08-07 21:09:30

○A2606:4700:3031::6815:4b9c2026-06-28 → 2026-06-28 · 3 obs

● 2026-06-28 15:53:56
○ 2026-07-23 07:44:48
○ 2026-08-07 21:09:30

●A2606:4700:3032::ac43:b26e2026-07-23 → 2026-08-07 · 3 obs

○ 2026-06-28 15:53:56
● 2026-07-23 07:44:48
● 2026-08-07 21:09:30

●A2606:4700:3033::6815:4b9c2026-07-23 → 2026-08-07 · 3 obs

○ 2026-06-28 15:53:56
● 2026-07-23 07:44:48
● 2026-08-07 21:09:30

○A2606:4700:3036::ac43:b26e2026-06-28 → 2026-06-28 · 3 obs

● 2026-06-28 15:53:56
○ 2026-07-23 07:44:48
○ 2026-08-07 21:09:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
workers.dev	sofia.ns.cloudflare.com, clyde.ns.cloudflare.com	-
whose.workers.dev	aron.ns.cloudflare.com, norm.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.69

NS records: aron.ns.cloudflare.com, norm.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for workers.dev (unsigned zone)

⏱️ Timing

Total: 414ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.75.156, 172.67.178.110`
AAAA	2	`2606:4700:3033::6815:4b9c, 2606:4700:3032::ac43:b26e`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

Analysis

IP Addresses

openai.whose.workers.dev points to the four IP addresses 104.21.75.156, 172.67.178.110, 2606:4700:3032::ac43:b26e and 2606:4700:3033::6815:4b9c.

gsdec.network, fuelhandler.com, bananavideo.net and two other host names share IP numbers with openai.whose.workers.dev.