`openai.lhm.workers.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:1634^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:caf3^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.22.52^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.202.243^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.22.52, 172.67.202.243
		IPv6 hints	2606:4700:3033::6815:1634, 2606:4700:3037::ac43:caf3
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=48, name=cloudflare-ech.com

`lhm.workers.dev`

	DNSSEC	⚠️ Not signed
	NS	`anirban.ns.cloudflare.com` ⭐
	NS	`lilyana.ns.cloudflare.com`
	SOA	`anirban.ns.cloudflare.com`dns@cloudflare.com serial=2412182484

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DNS History

6 records (4 active, 2 former)

●A104.21.22.522026-06-27 → 2026-08-14 · 2 obs

● 2026-06-27 15:39:20
● 2026-08-14 19:12:32

●A172.67.202.2432026-06-27 → 2026-08-14 · 2 obs

● 2026-06-27 15:39:20
● 2026-08-14 19:12:32

○A2606:4700:3030::ac43:caf32026-06-27 → 2026-06-27 · 3 obs

● 2026-06-27 15:39:20
○ 2026-07-08 21:14:04
○ 2026-08-14 19:12:32

○A2606:4700:3031::6815:16342026-06-27 → 2026-06-27 · 3 obs

● 2026-06-27 15:39:20
○ 2026-07-08 21:14:04
○ 2026-08-14 19:12:32

●A2606:4700:3033::6815:16342026-07-08 → 2026-08-14 · 3 obs

○ 2026-06-27 15:39:20
● 2026-07-08 21:14:04
● 2026-08-14 19:12:32

●A2606:4700:3037::ac43:caf32026-07-08 → 2026-08-14 · 3 obs

○ 2026-06-27 15:39:20
● 2026-07-08 21:14:04
● 2026-08-14 19:12:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld4.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...	-
workers.dev	clyde.ns.cloudflare.com, sofia.ns.cloudflare.com	-
lhm.workers.dev	anirban.ns.cloudflare.com, lilyana.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.193.64

NS records: anirban.ns.cloudflare.com, lilyana.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for workers.dev (unsigned zone)

⏱️ Timing

Total: 307ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.22.52, 172.67.202.243`
AAAA	2	`2606:4700:3033::6815:1634, 2606:4700:3037::ac43:caf3`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

Analysis

IP Addresses

openai.lhm.workers.dev points to the four IP addresses 104.21.22.52, 172.67.202.243, 2606:4700:3033::6815:1634 and 2606:4700:3037::ac43:caf3.

Two other host names, along with qeriloventhasmu.com, zerion-portfolio.gr.com and matrixcorewise.click, also share IP numbers with openai.lhm.workers.dev.

openai.lhm.workers.dev - robtex.com