cf.douglasfok.workers.dev - robtex.com

cf.douglasfok.workers.dev

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:c030🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3031::6815:39ca🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.57.202Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.192.48🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.57.202, 172.67.192.48
IPv62606:4700:3030::ac43:c030, 2606:4700:3031::6815:39ca

douglasfok.workers.dev

DNSSEC⚠️ Not signed
NSchin.ns.cloudflare.com ⭐
NSvin.ns.cloudflare.com
SOAchin.ns.cloudflare.comdns@cloudflare.com serial=2397602529

Same first word

cf.au
cf.lv
cf.akamai.net
cf.life
cf.cr
cf.edu
cf.training
cf.org
cf.com.br
cf.hu
cf.su
cf.country
cf.ink
cf.fyi
cf.cm
cf.co.za
cf.academy
cf.center
cf.pl
cf.dnsalias.com
cf.wtf
cf
cf.news
cf.dev
cf.com.mx
cf.vc
cf.ru
cf.cn
cf.akamaiedge.net
cf.co.kr
cf.nl
cf.kiev.ua
cf.ax
cf.mk
cf.agency
cf.ac.uk
cf.tools
cf.technology
cf.sa
cf.se
cf.rt.ht
cf.de
cf.finance
cf.cz
cf.by
cf.ac
cf.gs
cf.net
cf.ua
cf.rs
cf.kz
cf.me
cf.to
cf.vg
cf.ae
cf.lk
cf.org.pk
cf.org.sa
cf.dj
cf.church
cf.fi
cf.gob.pe
cf.careers
cf.com
cf.ro
cf.org.mx
cf.no
cf.dk
cf.app
cf.com.vn
cf.sg

Similar names

fc.be
fc.com.sg
fc.sumy.ua
fc.coach
fc.agency
fc.si
fc.church
fc.gov.pk
fc.football
fc.co
fc.sg
fc.bj.cn
fc.eu
fc.company
fc.zone
fc.ca
fc.tc
fc.med.sa
fc.ee
fc.net
fc.fi
fc.cz
fc.lc
fc.ms
fc.group
fc.net.au
fc.tt
fc.wtf
fc.to
fc.business
fc.nz
fc.team
fc.nl
fc.hu
fc.org.br
fc.org.cn
fc.zuerich
fc.by
fc.cc
fc.su
fc.world
fc.cl
fc.com.ua
fc.technology
fc.com.es
fc.lviv.ua
fc.de
fc.style
fc.com
fc.qa
fc.tv
fc.com.mk
fc.wang

DNS History

4 records (4 active, 0 former)

A104.21.57.202172.67.192.482606:4700:3030::ac43:c0302606:4700:3031::6815:39ca
●A104.21.57.2022026-02-15 → 2026-03-24 · 2 obs
● 2026-02-15 17:16:32
● 2026-03-24 10:20:46
●A172.67.192.482026-02-15 → 2026-03-24 · 2 obs
● 2026-02-15 17:16:32
● 2026-03-24 10:20:46
●A2606:4700:3030::ac43:c0302026-02-15 → 2026-03-24 · 2 obs
● 2026-02-15 17:16:32
● 2026-03-24 10:20:46
●A2606:4700:3031::6815:39ca2026-02-15 → 2026-03-24 · 2 obs
● 2026-02-15 17:16:32
● 2026-03-24 10:20:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...10 records
workers.devclyde.ns.cloudflare.com, sofia.ns.cloudflare.com-
douglasfok.workers.devchin.ns.cloudflare.com, vin.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.192.84

NS records: chin.ns.cloudflare.com, vin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for workers.dev (unsigned zone)

⏱️ Timing

Total: 483ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.192.48, 104.21.57.202
AAAA22606:4700:3031::6815:39ca, 2606:4700:3030::ac43:c030
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)

Analysis

IP Addresses

cf.douglasfok.workers.dev points to four IP numbers: 2606:4700:3030::ac43:c030, 2606:4700:3031::6815:39ca, 104.21.57.202 and 172.67.192.48.

Other host names, for instance ns2.graty.me, stlcounty.net, jk-forest.ru, remus.ru and xinchuanshuili.com share IP numbers with cf.douglasfok.workers.dev.