`cdn.google-server.workers.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:8994^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:40e7^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.64.231^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.137.148^{🇺🇸 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	104.21.64.231, 172.67.137.148
		IPv6 hints	2606:4700:3030::ac43:8994, 2606:4700:3035::6815:40e7
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=161, name=cloudflare-ech.com

`google-server.workers.dev`

	DNSSEC	⚠️ Not signed
	NS	`adrian.ns.cloudflare.com` ⭐
	NS	`tate.ns.cloudflare.com`
	SOA	`adrian.ns.cloudflare.com`dns@cloudflare.com serial=2402471012

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DNS History

4 records (4 active, 0 former)

●A104.21.64.2312026-04-12 → 2026-04-25 · 2 obs

● 2026-04-12 06:28:18
● 2026-04-25 02:23:04

●A172.67.137.1482026-04-12 → 2026-04-25 · 2 obs

● 2026-04-12 06:28:18
● 2026-04-25 02:23:04

●A2606:4700:3030::ac43:89942026-04-12 → 2026-04-25 · 2 obs

● 2026-04-12 06:28:18
● 2026-04-25 02:23:04

●A2606:4700:3035::6815:40e72026-04-12 → 2026-04-25 · 2 obs

● 2026-04-12 06:28:18
● 2026-04-25 02:23:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
workers.dev	clyde.ns.cloudflare.com, sofia.ns.cloudflare.com	-
google-server.workers.dev	adrian.ns.cloudflare.com, tate.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.44.191

NS records: adrian.ns.cloudflare.com, tate.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for workers.dev (unsigned zone)

⏱️ Timing

Total: 255ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.137.148, 104.21.64.231`
AAAA	2	`2606:4700:3035::6815:40e7, 2606:4700:3030::ac43:8994`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

Analysis

IP Addresses

cdn.google-server.workers.dev points to four IP numbers: 2606:4700:3030::ac43:8994, 2606:4700:3035::6815:40e7, 104.21.64.231 and 172.67.137.148.

Other host names including www.reviewstalk.com, roobetcanada.com, www.brafree.org, www.iuscanonicum.it and maxx.info share IP numbers with cdn.google-server.workers.dev.

cdn.google-server.workers.dev - robtex.com