`claude.feihe.workers.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:428b^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:a0a1^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.66.139^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.160.161^{🇺🇸 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	104.21.66.139, 172.67.160.161
		IPv6 hints	2606:4700:3031::6815:428b, 2606:4700:3034::ac43:a0a1
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=8, name=cloudflare-ech.com

`feihe.workers.dev`

	DNSSEC	⚠️ Not signed
	NS	`thomas.ns.cloudflare.com` ⭐
	NS	`tia.ns.cloudflare.com`
	SOA	`thomas.ns.cloudflare.com`dns@cloudflare.com serial=2409491517

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DNS History

6 records (4 active, 2 former)

●A104.21.66.1392026-06-28 → 2026-07-30 · 2 obs

● 2026-06-28 12:25:50
● 2026-07-30 22:28:18

●A172.67.160.1612026-06-28 → 2026-07-30 · 2 obs

● 2026-06-28 12:25:50
● 2026-07-30 22:28:18

●A2606:4700:3031::6815:428b2026-07-21 → 2026-07-30 · 3 obs

○ 2026-06-28 12:25:50
● 2026-07-21 04:57:38
● 2026-07-30 22:28:18

○A2606:4700:3031::ac43:a0a12026-06-28 → 2026-06-28 · 3 obs

● 2026-06-28 12:25:50
○ 2026-07-21 04:57:38
○ 2026-07-30 22:28:18

○A2606:4700:3034::6815:428b2026-06-28 → 2026-06-28 · 3 obs

● 2026-06-28 12:25:50
○ 2026-07-21 04:57:38
○ 2026-07-30 22:28:18

●A2606:4700:3034::ac43:a0a12026-07-21 → 2026-07-30 · 3 obs

○ 2026-06-28 12:25:50
● 2026-07-21 04:57:38
● 2026-07-30 22:28:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
workers.dev	clyde.ns.cloudflare.com, sofia.ns.cloudflare.com	-
feihe.workers.dev	thomas.ns.cloudflare.com, tia.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.229

NS records: thomas.ns.cloudflare.com, tia.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for workers.dev (unsigned zone)

⏱️ Timing

Total: 328ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.160.161, 104.21.66.139`
AAAA	2	`2606:4700:3031::6815:428b, 2606:4700:3034::ac43:a0a1`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

Analysis

IP Addresses

claude.feihe.workers.dev has four IP addresses: 104.21.66.139, 172.67.160.161, 2606:4700:3031::6815:428b and 2606:4700:3034::ac43:a0a1.

zarni-40mexav.biz, cablefam.com, transportationmanyparts.com and two other host names share IP numbers with claude.feihe.workers.dev.

claude.feihe.workers.dev - robtex.com