`openai.cyo57.workers.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:cf32^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:4d70^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.77.112^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.207.50^{🇺🇸 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	104.21.77.112, 172.67.207.50
		IPv6 hints	2606:4700:3031::ac43:cf32, 2606:4700:3036::6815:4d70
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=17, name=cloudflare-ech.com

`cyo57.workers.dev`

	DNSSEC	⚠️ Not signed
	NS	`elaine.ns.cloudflare.com` ⭐
	NS	`hank.ns.cloudflare.com`
	SOA	`elaine.ns.cloudflare.com`dns@cloudflare.com serial=2411291261

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DNS History

6 records (4 active, 2 former)

●A104.21.77.1122026-06-24 → 2026-08-04 · 2 obs

● 2026-06-24 16:30:10
● 2026-08-04 08:07:06

●A172.67.207.502026-06-24 → 2026-08-04 · 2 obs

● 2026-06-24 16:30:10
● 2026-08-04 08:07:06

○A2606:4700:3031::6815:4d702026-06-24 → 2026-06-24 · 3 obs

● 2026-06-24 16:30:10
○ 2026-07-14 19:10:38
○ 2026-08-04 08:07:06

●A2606:4700:3031::ac43:cf322026-07-14 → 2026-08-04 · 3 obs

○ 2026-06-24 16:30:10
● 2026-07-14 19:10:38
● 2026-08-04 08:07:06

●A2606:4700:3036::6815:4d702026-07-14 → 2026-08-04 · 3 obs

○ 2026-06-24 16:30:10
● 2026-07-14 19:10:38
● 2026-08-04 08:07:06

○A2606:4700:3037::ac43:cf322026-06-24 → 2026-06-24 · 3 obs

● 2026-06-24 16:30:10
○ 2026-07-14 19:10:38
○ 2026-08-04 08:07:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
workers.dev	clyde.ns.cloudflare.com, sofia.ns.cloudflare.com	-
cyo57.workers.dev	elaine.ns.cloudflare.com, hank.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.193.116

NS records: elaine.ns.cloudflare.com, hank.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for workers.dev (unsigned zone)

⏱️ Timing

Total: 424ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.77.112, 172.67.207.50`
AAAA	2	`2606:4700:3031::ac43:cf32, 2606:4700:3036::6815:4d70`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

Analysis

IP Addresses

openai.cyo57.workers.dev directs to four IP numbers, which are 104.21.77.112, 172.67.207.50, 2606:4700:3031::ac43:cf32 and 2606:4700:3036::6815:4d70.

Two other host names, along with victorbrooklyn.com, soright.co.uk and www.ptpn3.id, also share IP numbers with openai.cyo57.workers.dev.

openai.cyo57.workers.dev - robtex.com