🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`openai.cestca.workers.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:c6c1^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::6815:24bf^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.36.191^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.198.193^{🇺🇸 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	104.21.36.191, 172.67.198.193
		IPv6 hints	2606:4700:3031::ac43:c6c1, 2606:4700:3034::6815:24bf
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=180, name=cloudflare-ech.com

`cestca.workers.dev`

	DNSSEC	⚠️ Not signed
	NS	`jay.ns.cloudflare.com` ⭐
	NS	`joan.ns.cloudflare.com`
	SOA	`jay.ns.cloudflare.com`dns@cloudflare.com serial=2416848121

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Next names

DNS History

8 records (4 active, 4 former)

●A104.21.36.1912026-06-24 → 2026-10-14 · 8 obs

● 2026-06-24 16:30:42
○ 2026-07-10 08:45:00
● 2026-08-18 18:30:24
○ 2026-09-02 17:55:56
● 2026-09-05 18:10:10
○ 2026-10-14 18:53:34
● 2026-10-14 22:46:00
● 2026-10-14 22:46:02

●A172.67.198.1932026-06-24 → 2026-10-14 · 8 obs

● 2026-06-24 16:30:42
○ 2026-07-10 08:45:00
● 2026-08-18 18:30:24
○ 2026-09-02 17:55:56
● 2026-09-05 18:10:10
○ 2026-10-14 18:53:34
● 2026-10-14 22:46:00
● 2026-10-14 22:46:02

○A188.114.96.02026-07-10 → 2026-10-14 · 8 obs

○ 2026-06-24 16:30:42
● 2026-07-10 08:45:00
○ 2026-08-18 18:30:24
● 2026-09-02 17:55:56
○ 2026-09-05 18:10:10
● 2026-10-14 18:53:34
○ 2026-10-14 22:46:00
○ 2026-10-14 22:46:02

○A188.114.97.02026-07-10 → 2026-10-14 · 8 obs

○ 2026-06-24 16:30:42
● 2026-07-10 08:45:00
○ 2026-08-18 18:30:24
● 2026-09-02 17:55:56
○ 2026-09-05 18:10:10
● 2026-10-14 18:53:34
○ 2026-10-14 22:46:00
○ 2026-10-14 22:46:02

●A2606:4700:3031::ac43:c6c12026-06-24 → 2026-10-14 · 8 obs

● 2026-06-24 16:30:42
○ 2026-07-10 08:45:00
● 2026-08-18 18:30:24
○ 2026-09-02 17:55:56
● 2026-09-05 18:10:10
○ 2026-10-14 18:53:34
● 2026-10-14 22:46:00
● 2026-10-14 22:46:02

●A2606:4700:3034::6815:24bf2026-06-24 → 2026-10-14 · 8 obs

● 2026-06-24 16:30:42
○ 2026-07-10 08:45:00
● 2026-08-18 18:30:24
○ 2026-09-02 17:55:56
● 2026-09-05 18:10:10
○ 2026-10-14 18:53:34
● 2026-10-14 22:46:00
● 2026-10-14 22:46:02

○A2a06:98c1:3120::2026-07-10 → 2026-10-14 · 8 obs

○ 2026-06-24 16:30:42
● 2026-07-10 08:45:00
○ 2026-08-18 18:30:24
● 2026-09-02 17:55:56
○ 2026-09-05 18:10:10
● 2026-10-14 18:53:34
○ 2026-10-14 22:46:00
○ 2026-10-14 22:46:02

○A2a06:98c1:3121::2026-07-10 → 2026-10-14 · 8 obs

○ 2026-06-24 16:30:42
● 2026-07-10 08:45:00
○ 2026-08-18 18:30:24
● 2026-09-02 17:55:56
○ 2026-09-05 18:10:10
● 2026-10-14 18:53:34
○ 2026-10-14 22:46:00
○ 2026-10-14 22:46:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	10 records
workers.dev	clyde.ns.cloudflare.com, sofia.ns.cloudflare.com	-
cestca.workers.dev	jay.ns.cloudflare.com, joan.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.193.123

NS records: jay.ns.cloudflare.com, joan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for workers.dev (unsigned zone)

⏱️ Timing

Total: 2245ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.198.193, 104.21.36.191`
AAAA	2	`2606:4700:3034::6815:24bf, 2606:4700:3031::ac43:c6c1`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns-tld1.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...)

Analysis

IP Addresses

openai.cestca.workers.dev directs to four IP numbers, which are 104.21.36.191, 172.67.198.193, 2606:4700:3031::ac43:c6c1 and 2606:4700:3034::6815:24bf.

Two other host names, along with pakbostogelh.com, idi-pasarwajokota.org and w999winner.online, also share IP numbers with openai.cestca.workers.dev.

openai.cestca.workers.dev - robtex.com