`openai.esac.workers.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:a57b^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::6815:41bf^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.65.191^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.165.123^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.65.191, 172.67.165.123
		IPv6 hints	2606:4700:3031::ac43:a57b, 2606:4700:3034::6815:41bf
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=190, name=cloudflare-ech.com

`esac.workers.dev`

	DNSSEC	⚠️ Not signed
	NS	`candy.ns.cloudflare.com` ⭐
	NS	`cory.ns.cloudflare.com`
	SOA	`candy.ns.cloudflare.com`dns@cloudflare.com serial=2408192956

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DNS History

6 records (4 active, 2 former)

●A104.21.65.1912026-04-06 → 2026-07-24 · 2 obs

● 2026-04-06 10:53:16
● 2026-07-24 01:01:46

●A172.67.165.1232026-04-06 → 2026-07-24 · 2 obs

● 2026-04-06 10:53:16
● 2026-07-24 01:01:46

○A2606:4700:3030::6815:41bf2026-04-06 → 2026-06-12 · 4 obs

● 2026-04-06 10:53:16
● 2026-06-12 18:21:20
○ 2026-07-08 04:48:40
○ 2026-07-24 01:01:46

○A2606:4700:3030::ac43:a57b2026-04-06 → 2026-06-12 · 4 obs

● 2026-04-06 10:53:16
● 2026-06-12 18:21:20
○ 2026-07-08 04:48:40
○ 2026-07-24 01:01:46

●A2606:4700:3031::ac43:a57b2026-07-08 → 2026-07-24 · 3 obs

○ 2026-06-12 18:21:20
● 2026-07-08 04:48:40
● 2026-07-24 01:01:46

●A2606:4700:3034::6815:41bf2026-07-08 → 2026-07-24 · 3 obs

○ 2026-06-12 18:21:20
● 2026-07-08 04:48:40
● 2026-07-24 01:01:46

🔍 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	sofia.ns.cloudflare.com, clyde.ns.cloudflare.com	-
esac.workers.dev	candy.ns.cloudflare.com, cory.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.93

NS records: candy.ns.cloudflare.com, cory.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for workers.dev (unsigned zone)

⏱️ Timing

Total: 463ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.165.123, 104.21.65.191`
AAAA	2	`2606:4700:3034::6815:41bf, 2606:4700:3031::ac43:a57b`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

Analysis

IP Addresses

openai.esac.workers.dev directs to four IP numbers, which are 104.21.65.191, 172.67.165.123, 2606:4700:3031::ac43:a57b and 2606:4700:3034::6815:41bf.

Two other host names, along with www.agilityware.com, z.qvzqpnature.bond and lw1314.net, also share IP numbers with openai.esac.workers.dev.

openai.esac.workers.dev - dns.ninja