`claude.1914083313.workers.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:d456^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:1079^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.16.121^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.212.86^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.16.121, 172.67.212.86
		IPv6 hints	2606:4700:3030::ac43:d456, 2606:4700:3037::6815:1079
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=161, name=cloudflare-ech.com

`1914083313.workers.dev`

	DNSSEC	⚠️ Not signed
	NS	`haley.ns.cloudflare.com` ⭐
	NS	`javon.ns.cloudflare.com`
	SOA	`haley.ns.cloudflare.com`dns@cloudflare.com serial=2411979040

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DNS History

4 records (4 active, 0 former)

●A104.21.16.1212026-08-10 → 2026-08-12 · 2 obs

● 2026-08-10 17:38:32
● 2026-08-12 06:32:32

●A172.67.212.862026-08-10 → 2026-08-12 · 2 obs

● 2026-08-10 17:38:32
● 2026-08-12 06:32:32

●A2606:4700:3030::ac43:d4562026-08-10 → 2026-08-12 · 2 obs

● 2026-08-10 17:38:32
● 2026-08-12 06:32:32

●A2606:4700:3037::6815:10792026-08-10 → 2026-08-12 · 2 obs

● 2026-08-10 17:38:32
● 2026-08-12 06:32:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
workers.dev	sofia.ns.cloudflare.com, clyde.ns.cloudflare.com	-
1914083313.workers.dev	haley.ns.cloudflare.com, javon.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.195.108

NS records: haley.ns.cloudflare.com, javon.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for workers.dev (unsigned zone)

⏱️ Timing

Total: 267ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.16.121, 172.67.212.86`
AAAA	2	`2606:4700:3030::ac43:d456, 2606:4700:3037::6815:1079`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

Analysis

IP Addresses

claude.1914083313.workers.dev directs to four IP numbers, which are 104.21.16.121, 172.67.212.86, 2606:4700:3030::ac43:d456 and 2606:4700:3037::6815:1079.

proemr.com, mermaidescort.com, rvhkxn.com plus two other host names have IP numbers in common with claude.1914083313.workers.dev.

claude.1914083313.workers.dev - robtex.com