vkm.cfw557.workers.dev - robtex.com

vkm.cfw557.workers.dev

DNSSEC⚠️ Not signed
A2606:4700:3034::ac43:cb91🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:3cfc🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.60.252Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.203.145🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.60.252, 172.67.203.145
IPv6 hints2606:4700:3034::ac43:cb91, 2606:4700:3037::6815:3cfc
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=16, name=cloudflare-ech.com

cfw557.workers.dev

DNSSEC⚠️ Not signed
NScruz.ns.cloudflare.com ⭐
NSdane.ns.cloudflare.com
SOAcruz.ns.cloudflare.comdns@cloudflare.com serial=2407098786

Same first word

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DNS History

6 records (4 active, 2 former)

A104.21.60.252172.67.203.1452606:4700:3034::ac43:cb912606:4700:3037::6815:3cfc2606:4700:3035::6815:3cfc2606:4700:3035::ac43:cb91
●A104.21.60.2522026-06-10 → 2026-07-22 · 2 obs
● 2026-06-10 17:46:06
● 2026-07-22 03:35:44
●A172.67.203.1452026-06-10 → 2026-07-22 · 2 obs
● 2026-06-10 17:46:06
● 2026-07-22 03:35:44
●A2606:4700:3034::ac43:cb912026-07-22 → 2026-07-22 · 2 obs
○ 2026-06-13 11:56:02
● 2026-07-22 03:35:44
○A2606:4700:3035::6815:3cfc2026-06-10 → 2026-06-13 · 3 obs
● 2026-06-10 17:46:06
● 2026-06-13 11:56:02
○ 2026-07-22 03:35:44
○A2606:4700:3035::ac43:cb912026-06-10 → 2026-06-13 · 3 obs
● 2026-06-10 17:46:06
● 2026-06-13 11:56:02
○ 2026-07-22 03:35:44
●A2606:4700:3037::6815:3cfc2026-07-22 → 2026-07-22 · 2 obs
○ 2026-06-13 11:56:02
● 2026-07-22 03:35:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
workers.devclyde.ns.cloudflare.com, sofia.ns.cloudflare.com-
cfw557.workers.devcruz.ns.cloudflare.com, dane.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.58.88

NS records: cruz.ns.cloudflare.com, dane.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for workers.dev (unsigned zone)

⏱️ Timing

Total: 206ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.60.252, 172.67.203.145
AAAA22606:4700:3034::ac43:cb91, 2606:4700:3037::6815:3cfc
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

vkm.cfw557.workers.dev directs to four IP numbers, which are 104.21.60.252, 172.67.203.145, 2606:4700:3034::ac43:cb91 and 2606:4700:3037::6815:3cfc.

Among the host names that share IP numbers with vkm.cfw557.workers.dev are okey-school.com, www.batix.re, batix.re and two others.