`openai-api-worker.nullmad.workers.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:4b6e^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:de6a^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.75.110^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.222.106^{🇺🇸 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	104.21.75.110, 172.67.222.106
		IPv6 hints	2606:4700:3031::6815:4b6e, 2606:4700:3036::ac43:de6a
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=229, name=cloudflare-ech.com

`nullmad.workers.dev`

	DNSSEC	⚠️ Not signed
	NS	`dante.ns.cloudflare.com` ⭐
	NS	`gabriella.ns.cloudflare.com`
	SOA	`dante.ns.cloudflare.com`dns@cloudflare.com serial=2409724968

Same first word

openai-api-worker.pages.dev

openai-api-worker.workers.dev

Similar names

openai-worker-api.workers.dev

DNS History

6 records (4 active, 2 former)

●A104.21.75.1102026-06-26 → 2026-07-28 · 2 obs

● 2026-06-26 14:57:10
● 2026-07-28 23:47:18

●A172.67.222.1062026-06-26 → 2026-07-28 · 2 obs

● 2026-06-26 14:57:10
● 2026-07-28 23:47:18

○A2606:4700:3030::6815:4b6e2026-06-26 → 2026-06-26 · 2 obs

● 2026-06-26 14:57:10
○ 2026-07-28 23:47:18

●A2606:4700:3031::6815:4b6e2026-07-28 → 2026-07-28 · 2 obs

○ 2026-06-26 14:57:10
● 2026-07-28 23:47:18

●A2606:4700:3036::ac43:de6a2026-07-28 → 2026-07-28 · 2 obs

○ 2026-06-26 14:57:10
● 2026-07-28 23:47:18

○A2606:4700:3037::ac43:de6a2026-06-26 → 2026-06-26 · 2 obs

● 2026-06-26 14:57:10
○ 2026-07-28 23:47:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
workers.dev	sofia.ns.cloudflare.com, clyde.ns.cloudflare.com	-
nullmad.workers.dev	dante.ns.cloudflare.com, gabriella.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.35.10

NS records: dante.ns.cloudflare.com, gabriella.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for workers.dev (unsigned zone)

⏱️ Timing

Total: 140ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.222.106, 104.21.75.110`
AAAA	2	`2606:4700:3036::ac43:de6a, 2606:4700:3031::6815:4b6e`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

Analysis

IP Addresses

openai-api-worker.nullmad.workers.dev has four IP addresses: 104.21.75.110, 172.67.222.106, 2606:4700:3031::6815:4b6e and 2606:4700:3036::ac43:de6a.

Among the host names that share IP numbers with openai-api-worker.nullmad.workers.dev are h8548.com, fortunepulsez.nl, b9506.com and two others.

openai-api-worker.nullmad.workers.dev - robtex.com