`openai.fmuksbj8.workers.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:2267^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::ac43:9f18^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.34.103^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.159.24^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.34.103, 172.67.159.24
		IPv6 hints	2606:4700:3030::6815:2267, 2606:4700:3032::ac43:9f18
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=126, name=cloudflare-ech.com

`fmuksbj8.workers.dev`

	DNSSEC	⚠️ Not signed
	NS	`howard.ns.cloudflare.com` ⭐
	NS	`surina.ns.cloudflare.com`
	SOA	`howard.ns.cloudflare.com`dns@cloudflare.com serial=2401420093

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DNS History

4 records (4 active, 0 former)

●A104.21.34.1032026-04-10 → 2026-05-10 · 2 obs

● 2026-04-10 06:13:52
● 2026-05-10 23:54:54

●A172.67.159.242026-04-10 → 2026-05-10 · 2 obs

● 2026-04-10 06:13:52
● 2026-05-10 23:54:54

●A2606:4700:3030::6815:22672026-04-10 → 2026-05-10 · 2 obs

● 2026-04-10 06:13:52
● 2026-05-10 23:54:54

●A2606:4700:3032::ac43:9f182026-04-10 → 2026-05-10 · 2 obs

● 2026-04-10 06:13:52
● 2026-05-10 23:54:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...	-
workers.dev	clyde.ns.cloudflare.com, sofia.ns.cloudflare.com	-
fmuksbj8.workers.dev	howard.ns.cloudflare.com, surina.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.34.19

NS records: howard.ns.cloudflare.com, surina.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for workers.dev (unsigned zone)

⏱️ Timing

Total: 1086ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.159.24, 104.21.34.103`
AAAA	2	`2606:4700:3030::6815:2267, 2606:4700:3032::ac43:9f18`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

Analysis

IP Addresses

openai.fmuksbj8.workers.dev points to four IP numbers: 2606:4700:3030::6815:2267, 2606:4700:3032::ac43:9f18, 104.21.34.103 and 172.67.159.24.

Other host names, for instance kk8518.com, gzconsultants.org, wjjiajie.com, advertools.com and glassonsireland.com share IP numbers with openai.fmuksbj8.workers.dev.

openai.fmuksbj8.workers.dev - robtex.com