🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`openai.guochenyang91.workers.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:2649^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::ac43:dbd8^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.38.73^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.219.216^{🇺🇸 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	104.21.38.73, 172.67.219.216
		IPv6 hints	2606:4700:3032::6815:2649, 2606:4700:3032::ac43:dbd8
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=68, name=cloudflare-ech.com

`guochenyang91.workers.dev`

	DNSSEC	⚠️ Not signed
	NS	`amos.ns.cloudflare.com` ⭐
	NS	`sunny.ns.cloudflare.com`
	SOA	`amos.ns.cloudflare.com`dns@cloudflare.com serial=2411553792

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DNS History

6 records (4 active, 2 former)

●A104.21.38.732026-06-24 → 2026-08-17 · 2 obs

● 2026-06-24 16:30:48
● 2026-08-17 07:42:22

●A172.67.219.2162026-06-24 → 2026-08-17 · 2 obs

● 2026-06-24 16:30:48
● 2026-08-17 07:42:22

●A2606:4700:3032::6815:26492026-07-03 → 2026-08-17 · 3 obs

○ 2026-06-24 16:30:48
● 2026-07-03 12:09:00
● 2026-08-17 07:42:22

●A2606:4700:3032::ac43:dbd82026-07-03 → 2026-08-17 · 3 obs

○ 2026-06-24 16:30:48
● 2026-07-03 12:09:00
● 2026-08-17 07:42:22

○A2606:4700:3033::6815:26492026-06-24 → 2026-06-24 · 3 obs

● 2026-06-24 16:30:48
○ 2026-07-03 12:09:00
○ 2026-08-17 07:42:22

○A2606:4700:3036::ac43:dbd82026-06-24 → 2026-06-24 · 3 obs

● 2026-06-24 16:30:48
○ 2026-07-03 12:09:00
○ 2026-08-17 07:42:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
workers.dev	clyde.ns.cloudflare.com, sofia.ns.cloudflare.com	-
guochenyang91.workers.dev	amos.ns.cloudflare.com, sunny.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.194.166

NS records: amos.ns.cloudflare.com, sunny.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for workers.dev (unsigned zone)

⏱️ Timing

Total: 588ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.38.73, 172.67.219.216`
AAAA	2	`2606:4700:3032::6815:2649, 2606:4700:3032::ac43:dbd8`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

Analysis

IP Addresses

openai.guochenyang91.workers.dev directs to four IP numbers, which are 104.21.38.73, 172.67.219.216, 2606:4700:3032::6815:2649 and 2606:4700:3032::ac43:dbd8.

Additional host names — se.catalogium.com, 77uu88.com, get-in-balance.nl and two others — share IP numbers with openai.guochenyang91.workers.dev.

openai.guochenyang91.workers.dev - robtex.com