`openai.jeff4107.workers.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:2b86^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:b3dd^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.43.134^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.179.221^{🇺🇸 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	104.21.43.134, 172.67.179.221
		IPv6 hints	2606:4700:3032::6815:2b86, 2606:4700:3034::ac43:b3dd
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=182, name=cloudflare-ech.com

`jeff4107.workers.dev`

	DNSSEC	⚠️ Not signed
	NS	`cash.ns.cloudflare.com` ⭐
	NS	`tina.ns.cloudflare.com`
	SOA	`cash.ns.cloudflare.com`dns@cloudflare.com serial=2410384394

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DNS History

6 records (4 active, 2 former)

●A104.21.43.1342026-04-13 → 2026-07-29 · 2 obs

● 2026-04-13 22:13:28
● 2026-07-29 23:50:20

●A172.67.179.2212026-04-13 → 2026-07-29 · 2 obs

● 2026-04-13 22:13:28
● 2026-07-29 23:50:20

○A2606:4700:3031::ac43:b3dd2026-04-13 → 2026-04-13 · 3 obs

● 2026-04-13 22:13:28
○ 2026-06-28 20:57:22
○ 2026-07-29 23:50:20

●A2606:4700:3032::6815:2b862026-06-28 → 2026-07-29 · 3 obs

○ 2026-04-13 22:13:28
● 2026-06-28 20:57:22
● 2026-07-29 23:50:20

●A2606:4700:3034::ac43:b3dd2026-06-28 → 2026-07-29 · 3 obs

○ 2026-04-13 22:13:28
● 2026-06-28 20:57:22
● 2026-07-29 23:50:20

○A2606:4700:3037::6815:2b862026-04-13 → 2026-04-13 · 3 obs

● 2026-04-13 22:13:28
○ 2026-06-28 20:57:22
○ 2026-07-29 23:50:20

🔍 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	-
jeff4107.workers.dev	cash.ns.cloudflare.com, tina.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.230

NS records: cash.ns.cloudflare.com, tina.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for workers.dev (unsigned zone)

⏱️ Timing

Total: 1091ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.43.134, 172.67.179.221`
AAAA	2	`2606:4700:3034::ac43:b3dd, 2606:4700:3032::6815:2b86`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

Analysis

IP Addresses

openai.jeff4107.workers.dev points to the four IP addresses 104.21.43.134, 172.67.179.221, 2606:4700:3032::6815:2b86 and 2606:4700:3034::ac43:b3dd.

Two other host names, along with syblyy.com, telcocrats.com and mydreamofly.com, also share IP numbers with openai.jeff4107.workers.dev.

openai.jeff4107.workers.dev - robtex.com