`openai.lbxx.workers.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:4849^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:b062^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.72.73^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.176.98^{🇺🇸 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	104.21.72.73, 172.67.176.98
		IPv6 hints	2606:4700:3035::6815:4849, 2606:4700:3035::ac43:b062
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=120, name=cloudflare-ech.com

`lbxx.workers.dev`

	DNSSEC	⚠️ Not signed
	NS	`alla.ns.cloudflare.com` ⭐
	NS	`remy.ns.cloudflare.com`
	SOA	`alla.ns.cloudflare.com`dns@cloudflare.com serial=2407301205

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DNS History

6 records (4 active, 2 former)

●A104.21.72.732026-06-25 → 2026-07-29 · 2 obs

● 2026-06-25 14:22:50
● 2026-07-29 00:58:36

●A172.67.176.982026-06-25 → 2026-07-29 · 2 obs

● 2026-06-25 14:22:50
● 2026-07-29 00:58:36

○A2606:4700:3032::6815:48492026-06-25 → 2026-06-25 · 3 obs

● 2026-06-25 14:22:50
○ 2026-07-25 21:50:36
○ 2026-07-29 00:58:36

○A2606:4700:3034::ac43:b0622026-06-25 → 2026-06-25 · 3 obs

● 2026-06-25 14:22:50
○ 2026-07-25 21:50:36
○ 2026-07-29 00:58:36

●A2606:4700:3035::6815:48492026-07-25 → 2026-07-29 · 3 obs

○ 2026-06-25 14:22:50
● 2026-07-25 21:50:36
● 2026-07-29 00:58:36

●A2606:4700:3035::ac43:b0622026-07-25 → 2026-07-29 · 3 obs

○ 2026-06-25 14:22:50
● 2026-07-25 21:50:36
● 2026-07-29 00:58:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
workers.dev	sofia.ns.cloudflare.com, clyde.ns.cloudflare.com	-
lbxx.workers.dev	alla.ns.cloudflare.com, remy.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.35.115

NS records: alla.ns.cloudflare.com, remy.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for workers.dev (unsigned zone)

⏱️ Timing

Total: 378ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.176.98, 104.21.72.73`
AAAA	2	`2606:4700:3035::ac43:b062, 2606:4700:3035::6815:4849`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

Analysis

IP Addresses

openai.lbxx.workers.dev has four IP addresses: 104.21.72.73, 172.67.176.98, 2606:4700:3035::6815:4849 and 2606:4700:3035::ac43:b062.

Among the host names that share IP numbers with openai.lbxx.workers.dev are www.ww.care, lounipi.sa.com, tjett.xyz and two others.

openai.lbxx.workers.dev - robtex.com