`cs.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:d4b6^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::6815:1081^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.16.129^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.212.182^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`kay.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a7d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kay.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c07d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kay.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:207d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kay.ns.cloudflare.com`
		A	108.162.192.125^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kay.ns.cloudflare.com`
		A	172.64.32.125^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kay.ns.cloudflare.com`
		A	173.245.58.125^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kay.ns.cloudflare.com`
NS	`lakas.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bc2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lakas.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1c2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lakas.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21c2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lakas.ns.cloudflare.com`
		A	108.162.193.194^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lakas.ns.cloudflare.com`
		A	172.64.33.194^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lakas.ns.cloudflare.com`
		A	173.245.59.194^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lakas.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.16.129, 172.67.212.182
		IPv6 hints	2606:4700:3031::ac43:d4b6, 2606:4700:3034::6815:1081
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=16, name=cloudflare-ech.com
SOA	`kay.ns.cloudflare.com`dns@cloudflare.com serial=2399427531

`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

cs.be

cs.gt

cs.center

cs.design

cs.network

cs.co.il

cs.net.pl

cs.krakow.pl

cs.support

cs.la

cs.ca

cs.pl

cs.zone

cs.engineering

cs.com.uy

cs.kiev.ua

cs.ht

cs.surgery

cs.media

cs.run

cs.exchange

cs.link

cs.gov.tw

cs.chat

cs.team

cs.trade

cs.com.es

cs.net

cs.com.tr

cs.ua

cs.bs

cs.kz

cs.immo

cs.cl

cs.go.kr

cs.com.tw

cs.id.au

cs.hn.cn

cs.lc

cs.gg

cs.sn.cn

cs.ru

cs.cool

cs.com.au

cs.co.uk

cs.nl

cs.legal

cs.cm

cs.lutsk.ua

cs.co

cs.ac.th

cs.ge

cs.simplesite.com

cs.hr

cs.com.pt

cs.ro

cs.gs

cs.js.cn

cs.nu

cs.fyi

cs.plus

cs.com.ua

cs.edu.hk

cs.ind.br

cs.de

cs.casa

cs.uy

cs.inc

cs.se

cs.uk

cs.vg

cs.uz

cs.no

cs.at

cs.pn

cs.help

cs.cheap

cs.or.at

cs.sa

cs.ai

cs.gen.tr

cs.money

cs.cz

cs.torun.pl

cs.pp.se

cs.church

cs.com.cn

cs.by

cs.am

cs.casino

cs.hu

cs.sg

cs.guru

cs.ms

cs.limited

cs.codes

cs.energy

cs.hopto.org

cs.capital

cs.lv

Similar names

sc.com.ua

sc.lk

sc.edu.au

sc.cl

sc.am

sc.gov

sc.gg

sc.net.pk

sc.fr

sc.ac.th

sc.k12.mo.us

sc.archi

sc.edu.my

sc.marketing

sc.tc

sc.sg

sc.sh

sc.def.br

sc.be

sc.ms

sc.rs

sc.net

sc.co.ke

sc.holdings

sc.co.nz

sc.by

sc.com.es

sc.leg.br

sc.kz

sc.sc

sc.link

sc.services

sc.biz

sc.run

sc.center

sc.hu

sc.net.sa

sc.ua

sc.co.uk

sc.pl

sc.net.au

sc.ca

sc.com.br

sc.co.at

sc.dk

sc.selfip.com

sc.me.uk

sc.kg

sc.vc

DNS History

12 records (6 active, 6 former)

●NSkay.ns.cloudflare.com2026-02-15 → 2026-04-11 · 2 obs

● 2026-02-15 20:52:08
● 2026-04-11 20:44:26

●NSlakas.ns.cloudflare.com2026-02-15 → 2026-04-11 · 2 obs

● 2026-02-15 20:52:08
● 2026-04-11 20:44:26

○MXyour-dns-needs-immediate-attention.dev2017-05-29 → 2026-02-17 · 4 obs

● 2017-05-29 01:00:46
● 2026-02-17 02:11:24
○ 2026-02-22 13:03:28
○ 2026-04-11 20:44:26

●A104.21.16.1292026-02-15 → 2026-04-11 · 18 obs

○ 2017-08-05 22:01:32
● 2026-02-15 20:52:08
○ 2026-02-17 02:11:24
● 2026-02-22 13:03:28
● 2026-02-24 09:31:44
○ 2026-02-26 02:36:02
○ 2026-02-27 08:34:04
● 2026-03-03 09:44:24
● 2026-03-14 19:34:54
○ 2026-03-17 13:46:02
○ 2026-03-24 13:54:46
● 2026-03-26 00:41:56
○ 2026-04-01 14:17:18
○ 2026-04-02 22:17:40
● 2026-04-03 18:13:50
○ 2026-04-06 11:02:02
● 2026-04-11 15:06:28
● 2026-04-11 20:44:26

○A127.0.53.532017-05-29 → 2017-08-05 · 4 obs

● 2017-05-29 01:00:46
● 2017-08-05 22:01:32
○ 2026-02-15 20:52:08
○ 2026-04-11 20:44:26

●A172.67.212.1822026-02-15 → 2026-04-11 · 18 obs

○A188.114.96.02026-02-17 → 2026-04-06 · 17 obs

○ 2026-02-15 20:52:08
● 2026-02-17 02:11:24
○ 2026-02-22 13:03:28
○ 2026-02-24 09:31:44
● 2026-02-26 02:36:02
● 2026-02-27 08:34:04
○ 2026-03-03 09:44:24
○ 2026-03-14 19:34:54
● 2026-03-17 13:46:02
● 2026-03-24 13:54:46
○ 2026-03-26 00:41:56
● 2026-04-01 14:17:18
● 2026-04-02 22:17:40
○ 2026-04-03 18:13:50
● 2026-04-06 11:02:02
○ 2026-04-11 15:06:28
○ 2026-04-11 20:44:26

○A188.114.97.02026-02-17 → 2026-04-06 · 17 obs

●A2606:4700:3031::ac43:d4b62026-02-15 → 2026-04-11 · 18 obs

●A2606:4700:3034::6815:10812026-02-15 → 2026-04-11 · 18 obs

○A2a06:98c1:3120::2026-02-17 → 2026-04-06 · 17 obs

○A2a06:98c1:3121::2026-02-17 → 2026-04-06 · 17 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com...	-
cs.dev	kay.ns.cloudflare.com, lakas.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.194

NS records: kay.ns.cloudflare.com, lakas.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cs.dev (unsigned zone)

⏱️ Timing

Total: 667ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.212.182, 104.21.16.129`
AAAA	2	`2606:4700:3034::6815:1081, 2606:4700:3031::ac43:d4b6`
NS	2	`kay.ns.cloudflare.com, lakas.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`kay.ns.cloudflare.com dns.cloudflare.com`

Analysis

IP Addresses

cs.dev maps to four IP numbers: 2606:4700:3031::ac43:d4b6, 2606:4700:3034::6815:1081, 104.21.16.129 and 172.67.212.182.

Other host names, for instance isozilla.com, dismatic.tn, fenton77.com, valornutricional.com and bakerhealthcare.net share IP numbers with cs.dev.

Name Servers

Two name servers kay.ns.cloudflare.com and lakas.ns.cloudflare.com are delegated to cs.dev.

cs.dev uses the same name server configuration as other domains, such as lsif.dev, vakansiya.org, proprietarystack.com, bestapp.az and sg.dev.

cs.dev at least partially shares name servers with other domains such as bommelwereld.nl, rodeoslot.at, myedu.gr, soamadorasbr.com and a1az.com.

These name servers are commonly used with deb.ns.cloudflare.com and trevor.ns.cloudflare.com.

Host names with six IP numbers: Host name kay.ns.cloudflare.com points to 2606:4700:50::adf5:3a7d, 2803:f800:50::6ca2:c07d, 2a06:98c1:50::ac40:207d, 108.162.192.125, 172.64.32.125 and 173.245.58.125; host name lakas.ns.cloudflare.com points to 2606:4700:58::adf5:3bc2, 2803:f800:50::6ca2:c1c2, 2a06:98c1:50::ac40:21c2, 108.162.193.194, 172.64.33.194 and 173.245.59.194.

cs.dev - robtex.com

cs.dev

dev