`openai.msauto.workers.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:2e69^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:89c5^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.46.105^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.137.197^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.46.105, 172.67.137.197
		IPv6 hints	2606:4700:3030::6815:2e69, 2606:4700:3033::ac43:89c5
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=253, name=cloudflare-ech.com

`msauto.workers.dev`

	DNSSEC	⚠️ Not signed
	NS	`andronicus.ns.cloudflare.com` ⭐
	NS	`tiffany.ns.cloudflare.com`
	SOA	`andronicus.ns.cloudflare.com`dns@cloudflare.com serial=2407260976

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DNS History

6 records (4 active, 2 former)

●A104.21.46.1052026-06-26 → 2026-07-15 · 2 obs

● 2026-06-26 15:15:00
● 2026-07-15 03:11:50

●A172.67.137.1972026-06-26 → 2026-07-15 · 2 obs

● 2026-06-26 15:15:00
● 2026-07-15 03:11:50

●A2606:4700:3030::6815:2e692026-07-15 → 2026-07-15 · 2 obs

○ 2026-06-26 15:15:00
● 2026-07-15 03:11:50

○A2606:4700:3031::ac43:89c52026-06-26 → 2026-06-26 · 2 obs

● 2026-06-26 15:15:00
○ 2026-07-15 03:11:50

●A2606:4700:3033::ac43:89c52026-07-15 → 2026-07-15 · 2 obs

○ 2026-06-26 15:15:00
● 2026-07-15 03:11:50

○A2606:4700:3037::6815:2e692026-06-26 → 2026-06-26 · 2 obs

● 2026-06-26 15:15:00
○ 2026-07-15 03:11:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com...	-
workers.dev	clyde.ns.cloudflare.com, sofia.ns.cloudflare.com	-
msauto.workers.dev	andronicus.ns.cloudflare.com, tiffany.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.44.113

NS records: andronicus.ns.cloudflare.com, tiffany.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for workers.dev (unsigned zone)

⏱️ Timing

Total: 672ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.137.197, 104.21.46.105`
AAAA	2	`2606:4700:3030::6815:2e69, 2606:4700:3033::ac43:89c5`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

Analysis

IP Addresses

openai.msauto.workers.dev points to the four IP addresses 104.21.46.105, 172.67.137.197, 2606:4700:3030::6815:2e69 and 2606:4700:3033::ac43:89c5.

www.ytxindonglijianshen.cn, hrmasia.com, liaowangxizang.net and two other host names share IP numbers with openai.msauto.workers.dev.

openai.msauto.workers.dev - robtex.com