`openai.ntz.workers.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:2f55^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:91fa^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.47.85^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.145.250^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.47.85, 172.67.145.250
		IPv6 hints	2606:4700:3035::6815:2f55, 2606:4700:3035::ac43:91fa
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=135, name=cloudflare-ech.com

`ntz.workers.dev`

	DNSSEC	⚠️ Not signed
	NS	`adi.ns.cloudflare.com` ⭐
	NS	`kaiser.ns.cloudflare.com`
	SOA	`adi.ns.cloudflare.com`dns@cloudflare.com serial=2410697236

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DNS History

6 records (4 active, 2 former)

●A104.21.47.852026-04-15 → 2026-07-31 · 2 obs

● 2026-04-15 12:34:12
● 2026-07-31 07:56:34

●A172.67.145.2502026-04-15 → 2026-07-31 · 2 obs

● 2026-04-15 12:34:12
● 2026-07-31 07:56:34

○A2606:4700:3032::6815:2f552026-04-15 → 2026-04-15 · 3 obs

● 2026-04-15 12:34:12
○ 2026-07-11 14:29:14
○ 2026-07-31 07:56:34

○A2606:4700:3033::ac43:91fa2026-04-15 → 2026-04-15 · 3 obs

● 2026-04-15 12:34:12
○ 2026-07-11 14:29:14
○ 2026-07-31 07:56:34

●A2606:4700:3035::6815:2f552026-07-11 → 2026-07-31 · 3 obs

○ 2026-04-15 12:34:12
● 2026-07-11 14:29:14
● 2026-07-31 07:56:34

●A2606:4700:3035::ac43:91fa2026-07-11 → 2026-07-31 · 3 obs

○ 2026-04-15 12:34:12
● 2026-07-11 14:29:14
● 2026-07-31 07:56:34

🔍 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	-
ntz.workers.dev	adi.ns.cloudflare.com, kaiser.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.195.9

NS records: adi.ns.cloudflare.com, kaiser.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for workers.dev (unsigned zone)

⏱️ Timing

Total: 516ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.47.85, 172.67.145.250`
AAAA	2	`2606:4700:3035::6815:2f55, 2606:4700:3035::ac43:91fa`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

Analysis

IP Addresses

openai.ntz.workers.dev resolves to four IP addresses: 104.21.47.85, 172.67.145.250, 2606:4700:3035::6815:2f55 and 2606:4700:3035::ac43:91fa.

rdbaseballacademy.com, www.dragqueenmerch.com, meetmattfraser.com plus two other host names have IP numbers in common with openai.ntz.workers.dev.

openai.ntz.workers.dev - robtex.com