`cf.dev`

DNSSEC	⚠️ Not signed
NS	`thomas.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bee^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`thomas.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1ee^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`thomas.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21ee^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`thomas.ns.cloudflare.com`
		A	108.162.193.238^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`thomas.ns.cloudflare.com`
		A	172.64.33.238^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`thomas.ns.cloudflare.com`
		A	173.245.59.238^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`thomas.ns.cloudflare.com`
NS	`vita.ns.cloudflare.com`
		A	2606:4700:50::adf5:3aee^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vita.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0ee^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`vita.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20ee^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`vita.ns.cloudflare.com`
		A	108.162.192.238^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vita.ns.cloudflare.com`
		A	172.64.32.238^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vita.ns.cloudflare.com`
		A	173.245.58.238^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vita.ns.cloudflare.com`
TXT	`v=spf1 -all`
SOA	`thomas.ns.cloudflare.com`dns@cloudflare.com serial=2405571912

`dev`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=1

🔒 HSTS Preload (+subdomains)

Same first word

cf.by

cf.ac

cf.gs

cf.net

cf.ua

cf.com.lb

cf.co.at

cf.rs

cf.kz

cf.me

cf.to

cf.vg

cf.ae

cf.lk

cf.org.pk

cf.saxo

cf.org.sa

cf.dj

cf.gl

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.com.tw

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

Similar names

fc.email

fc.tmp.br

fc.gov.cn

fc.pe

fc.edu.br

fc.jx.cn

fc.bayern

fc.lt

fc.hk

fc.ru

fc.media

fc.org

fc.lv

fc.cn

fc.koeln

fc.cx

fc.or.kr

fc.be

fc.com.sg

fc.sumy.ua

fc.coach

fc.agency

fc.si

fc.church

fc.gov.pk

fc.com.vc

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.sn.cn

fc.fi

fc.cz

fc.lc

fc.dz

fc.ms

fc.com.vn

fc.group

fc.co.mz

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

DNS History

2 records (2 active, 0 former)

●NSthomas.ns.cloudflare.com2026-02-14 → 2026-07-13 · 2 obs

● 2026-02-14 21:45:48
● 2026-07-13 09:36:54

●NSvita.ns.cloudflare.com2026-02-14 → 2026-07-13 · 2 obs

● 2026-02-14 21:45:48
● 2026-07-13 09:36:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	10 records
cf.dev	thomas.ns.cloudflare.com, vita.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.238

NS records: thomas.ns.cloudflare.com, vita.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cf.dev (unsigned zone)

⏱️ Timing

Total: 3324ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`thomas.ns.cloudflare.com, vita.ns.cloudflare.com`
TXT	1	`v=spf1 -all`
SOA	1	`thomas.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 10

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

Analysis

Name Servers

cf.dev has two authoritative name servers — thomas.ns.cloudflare.com and vita.ns.cloudflare.com.

cf.dev uses the same name servers as several other domains — among them cfwpt.com, cloudflare.at, banmovil.com and two more.

cf.dev partially shares its NS delegation with several other domains, including fc.eu, ofertasbmc.com.br, judgemccullough4supremecourt.com and two others.

These name servers are regularly seen alongside wally.ns.cloudflare.com and adrian.ns.cloudflare.com as name servers.

Hostnames that resolve to 6 IP addresses:

thomas.ns.cloudflare.com points to 108.162.193.238, 172.64.33.238, 173.245.59.238 and 3 other IP addresses.

vita.ns.cloudflare.com points to 108.162.192.238, 172.64.32.238, 173.245.58.238 and 3 other IP addresses.

cf.dev - robtex.com

cf.dev

dev