`cf.oykinf40189.workers.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:89d0^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:5120^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.81.32^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.137.208^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.81.32, 172.67.137.208
		IPv6 hints	2606:4700:3031::ac43:89d0, 2606:4700:3036::6815:5120
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=244, name=cloudflare-ech.com

`oykinf40189.workers.dev`

	DNSSEC	⚠️ Not signed
	NS	`carlos.ns.cloudflare.com` ⭐
	NS	`sue.ns.cloudflare.com`
	SOA	`carlos.ns.cloudflare.com`dns@cloudflare.com serial=2403588515

Same first word

cf.church

cf.fi

cf.gob.pe

cf.careers

cf.la

cf.com

cf.ro

cf.org.mx

cf.no

cf.dk

cf.app

cf.com.vn

cf.sg

cf.au

cf.lv

cf.akamai.net

cf.life

cf.cr

cf.ph

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.com.cn

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.link

cf.sa

cf.se

cf.rt.ht

cf.de

cf.finance

cf.cz

cf.by

cf.ac

cf.gs

cf.net

cf.ua

cf.com.lb

cf.rs

cf.kz

cf.me

cf.to

cf.vg

cf.ae

cf.org.pk

cf.saxo

cf.org.sa

cf.dj

Similar names

fc.lc

fc.dz

fc.ms

fc.com.vn

fc.group

fc.co.mz

fc.net.au

fc.tt

fc.wtf

fc.to

fc.business

fc.nz

fc.team

fc.biz

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.se

fc.style

fc.com

fc.qa

fc.tv

fc.com.mk

fc.wang

fc.vc

fc.idv.tw

fc.net.pk

fc.city

fc.om

fc.org.nz

fc.sk

fc.school

fc.sa

fc.dk

fc.gp

fc.life

fc.pl

fc.ac.ae

fc.chat

fc.org.uk

fc.squares.net

fc.one

fc.email

fc.tmp.br

fc.gov.cn

fc.pe

DNS History

4 records (4 active, 0 former)

●A104.21.81.322026-03-30 → 2026-05-11 · 2 obs

● 2026-03-30 09:23:12
● 2026-05-11 05:02:48

●A172.67.137.2082026-03-30 → 2026-05-11 · 2 obs

● 2026-03-30 09:23:12
● 2026-05-11 05:02:48

●A2606:4700:3031::ac43:89d02026-03-30 → 2026-05-11 · 2 obs

● 2026-03-30 09:23:12
● 2026-05-11 05:02:48

●A2606:4700:3036::6815:51202026-03-30 → 2026-05-11 · 2 obs

● 2026-03-30 09:23:12
● 2026-05-11 05:02:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
workers.dev	clyde.ns.cloudflare.com, sofia.ns.cloudflare.com	-
oykinf40189.workers.dev	carlos.ns.cloudflare.com, sue.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.195.112

NS records: carlos.ns.cloudflare.com, sue.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for workers.dev (unsigned zone)

⏱️ Timing

Total: 517ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.81.32, 172.67.137.208`
AAAA	2	`2606:4700:3031::ac43:89d0, 2606:4700:3036::6815:5120`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

Analysis

IP Addresses

cf.oykinf40189.workers.dev points to four IP numbers: 2606:4700:3031::ac43:89d0, 2606:4700:3036::6815:5120, 104.21.81.32 and 172.67.137.208.

Other host names including dstvtech.co.za, techweek.it, www.frequentflyer.co.za, 889992724.xyz and www.liebelib.mobi share IP numbers with cf.oykinf40189.workers.dev.

cf.oykinf40189.workers.dev - robtex.com