`vpn.professior404.workers.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:a695^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:31c3^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.49.195^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.166.149^{🇺🇸 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	104.21.49.195, 172.67.166.149
		IPv6 hints	2606:4700:3032::ac43:a695, 2606:4700:3036::6815:31c3
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=234, name=cloudflare-ech.com

`professior404.workers.dev`

	DNSSEC	⚠️ Not signed
	NS	`carla.ns.cloudflare.com` ⭐
	NS	`jerome.ns.cloudflare.com`
	SOA	`carla.ns.cloudflare.com`dns@cloudflare.com serial=2410546870

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DNS History

6 records (4 active, 2 former)

●A104.21.49.1952026-02-25 → 2026-07-31 · 2 obs

● 2026-02-25 11:40:26
● 2026-07-31 18:22:30

●A172.67.166.1492026-02-25 → 2026-07-31 · 2 obs

● 2026-02-25 11:40:26
● 2026-07-31 18:22:30

●A2606:4700:3032::ac43:a6952026-07-09 → 2026-07-31 · 3 obs

○ 2026-06-14 09:17:10
● 2026-07-09 03:41:24
● 2026-07-31 18:22:30

○A2606:4700:3033::6815:31c32026-02-25 → 2026-06-14 · 4 obs

● 2026-02-25 11:40:26
● 2026-06-14 09:17:10
○ 2026-07-09 03:41:24
○ 2026-07-31 18:22:30

●A2606:4700:3036::6815:31c32026-07-09 → 2026-07-31 · 3 obs

○ 2026-06-14 09:17:10
● 2026-07-09 03:41:24
● 2026-07-31 18:22:30

○A2606:4700:3037::ac43:a6952026-02-25 → 2026-06-14 · 4 obs

● 2026-02-25 11:40:26
● 2026-06-14 09:17:10
○ 2026-07-09 03:41:24
○ 2026-07-31 18:22:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
workers.dev	sofia.ns.cloudflare.com, clyde.ns.cloudflare.com	-
professior404.workers.dev	carla.ns.cloudflare.com, jerome.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.181

NS records: carla.ns.cloudflare.com, jerome.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for workers.dev (unsigned zone)

⏱️ Timing

Total: 229ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.49.195, 172.67.166.149`
AAAA	2	`2606:4700:3032::ac43:a695, 2606:4700:3036::6815:31c3`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

Analysis

IP Addresses

vpn.professior404.workers.dev points to the four IP addresses 104.21.49.195, 172.67.166.149, 2606:4700:3032::ac43:a695 and 2606:4700:3036::6815:31c3.

doct6.com, gegendtalerbauerneck.at, nss.firstranker.com plus two other host names have IP numbers in common with vpn.professior404.workers.dev.

vpn.professior404.workers.dev - robtex.com