ef.vbwcs.workers.dev - dns.ninja

ef.vbwcs.workers.dev

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:8b7b🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:5eb8🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.94.184Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.139.123🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.94.184, 172.67.139.123
IPv6 hints2606:4700:3031::ac43:8b7b, 2606:4700:3036::6815:5eb8
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=77, name=cloudflare-ech.com

vbwcs.workers.dev

DNSSEC⚠️ Not signed
NSamber.ns.cloudflare.com ⭐
NSkyle.ns.cloudflare.com
SOAamber.ns.cloudflare.comdns@cloudflare.com serial=2411305352

Same first word

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ef.university
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ef.is
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ef.uk.com
ef.com.hk

Similar names

fe.fi
fe.business
fe.com.tr
fe.vc
fe.ax
fe.net.au
fe.biz
fe.nl
fe.is
fe.se
fe.ms
fe.gallery
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fe.rw
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fe.live
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fe.ca
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fe.uz
fe.kz
fe.network
fe.co.za
fe.be
fe.sk
fe.team
fe.do
ef.mus.br
fe.net

DNS History

8 records (4 active, 4 former)

A104.21.94.184172.67.139.1232606:4700:3031::ac43:8b7b2606:4700:3036::6815:5eb8172.64.80.12606:4700:130:436c:6f75:6466:6c61:72652606:4700:3033::6815:5eb82606:4700:3036::ac43:8b7b
●A104.21.94.1842026-02-17 → 2026-08-07 · 2 obs
● 2026-02-17 01:41:00
● 2026-08-07 14:09:56
○A172.64.80.12026-02-17 → 2026-08-07 · 2 obs
○ 2026-02-17 01:41:00
○ 2026-08-07 14:09:56
●A172.67.139.1232026-02-17 → 2026-08-07 · 2 obs
● 2026-02-17 01:41:00
● 2026-08-07 14:09:56
○A2606:4700:130:436c:6f75:6466:6c61:72652026-02-17 → 2026-08-07 · 2 obs
○ 2026-02-17 01:41:00
○ 2026-08-07 14:09:56
●A2606:4700:3031::ac43:8b7b2026-08-07 → 2026-08-07 · 3 obs
○ 2026-06-04 06:43:38
● 2026-08-07 14:09:54
● 2026-08-07 14:09:56
○A2606:4700:3033::6815:5eb82026-02-17 → 2026-06-04 · 4 obs
● 2026-02-17 01:41:00
● 2026-06-04 06:43:38
○ 2026-08-07 14:09:54
○ 2026-08-07 14:09:56
●A2606:4700:3036::6815:5eb82026-08-07 → 2026-08-07 · 3 obs
○ 2026-06-04 06:43:38
● 2026-08-07 14:09:54
● 2026-08-07 14:09:56
○A2606:4700:3036::ac43:8b7b2026-02-17 → 2026-06-04 · 4 obs
● 2026-02-17 01:41:00
● 2026-06-04 06:43:38
○ 2026-08-07 14:09:54
○ 2026-08-07 14:09:56

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...-
workers.devsofia.ns.cloudflare.com, clyde.ns.cloudflare.com-
vbwcs.workers.devamber.ns.cloudflare.com, kyle.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.192.64

NS records: amber.ns.cloudflare.com, kyle.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for workers.dev (unsigned zone)

⏱️ Timing

Total: 620ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.139.123, 104.21.94.184
AAAA22606:4700:3036::6815:5eb8, 2606:4700:3031::ac43:8b7b
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

ef.vbwcs.workers.dev points to the four IP addresses 104.21.94.184, 172.67.139.123, 2606:4700:3031::ac43:8b7b and 2606:4700:3036::6815:5eb8.

Additional host names — dr-farfar.com, www.vinylflooringuk.co.uk, crestron.co.uk and two others — share IP numbers with ef.vbwcs.workers.dev.