`cs.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:1081^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:d4b6^{🇺🇸 Cloudflare2606:4700:3037::/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	2606:4700:3033::6815:1081, 2606:4700:3037::ac43:d4b6
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=241, name=cloudflare-ech.com
SOA	`kay.ns.cloudflare.com`dns@cloudflare.com serial=2404549801

`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.is

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.lt

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.edu.br

cs.simplesite.com

cs.co.uz

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.kinghost.net

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

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.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

14 records (6 active, 8 former)

●NSkay.ns.cloudflare.com2026-02-15 → 2026-07-08 · 2 obs

● 2026-02-15 20:52:08
● 2026-07-08 02:34:52

●NSlakas.ns.cloudflare.com2026-02-15 → 2026-07-08 · 2 obs

● 2026-02-15 20:52:08
● 2026-07-08 02:34:52

○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
○ 2026-07-08 02:34:52

●A104.21.16.1292026-02-15 → 2026-07-08 · 32 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
○ 2026-04-13 13:25:06
● 2026-04-14 19:48:32
○ 2026-04-22 06:27:58
● 2026-04-29 13:55:06
● 2026-04-29 19:19:14
○ 2026-05-04 11:18:08
● 2026-05-09 18:38:04
● 2026-06-13 10:01:12
○ 2026-06-13 22:21:16
○ 2026-06-16 09:05:06
● 2026-06-19 19:45:12
○ 2026-06-22 07:41:18
● 2026-06-23 06:27:06
● 2026-07-08 02:34:52

○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
○ 2026-07-08 02:34:52

●A172.67.212.1822026-02-15 → 2026-07-08 · 32 obs

○A188.114.96.02026-02-17 → 2026-06-22 · 31 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
● 2026-04-13 13:25:06
○ 2026-04-14 19:48:32
● 2026-04-22 06:27:58
○ 2026-04-29 13:55:06
○ 2026-04-29 19:19:14
● 2026-05-04 11:18:08
○ 2026-05-09 18:38:04
○ 2026-06-13 10:01:12
● 2026-06-13 22:21:16
● 2026-06-16 09:05:06
○ 2026-06-19 19:45:12
● 2026-06-22 07:41:18
○ 2026-06-23 06:27:06
○ 2026-07-08 02:34:52

○A188.114.97.02026-02-17 → 2026-06-22 · 31 obs

○A2606:4700:3031::ac43:d4b62026-02-15 → 2026-06-19 · 31 obs

●A2606:4700:3033::6815:10812026-06-23 → 2026-07-08 · 3 obs

○ 2026-06-22 07:41:18
● 2026-06-23 06:27:06
● 2026-07-08 02:34:52

○A2606:4700:3034::6815:10812026-02-15 → 2026-06-19 · 31 obs

●A2606:4700:3037::ac43:d4b62026-06-23 → 2026-07-08 · 3 obs

○ 2026-06-22 07:41:18
● 2026-06-23 06:27:06
● 2026-07-08 02:34:52

○A2a06:98c1:3120::2026-02-17 → 2026-06-22 · 31 obs

○A2a06:98c1:3121::2026-02-17 → 2026-06-22 · 31 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
cs.dev	kay.ns.cloudflare.com, lakas.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.193.194

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: 2348ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.16.129, 172.67.212.182`
AAAA	2	`2606:4700:3037::ac43:d4b6, 2606:4700:3033::6815:1081`
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 resolves to four IP addresses: 104.21.16.129, 172.67.212.182, 2606:4700:3033::6815:1081 and 2606:4700:3037::ac43:d4b6.

Additional host names — odziezkolarza.pl, isozilla.com, sirena.to and two others — share IP numbers with cs.dev.

Name Servers

cs.dev is delegated to two name servers: kay.ns.cloudflare.com and lakas.ns.cloudflare.com.

cs.dev shares its name server setup with other domains, including lsif.dev, vakansiya.org, proprietarystack.com and two others.

cs.dev shares at least some of its name servers with other domains, including emailsprint.com, wpz4yt4w0exqx2f9siw1z.top, bommelwereld.nl and two others.

These name servers are frequently paired with the name servers deb.ns.cloudflare.com, jack.ns.cloudflare.com and trevor.ns.cloudflare.com.

Host names with 6 IP numbers:

kay.ns.cloudflare.com resolves to 108.162.192.125, 172.64.32.125, 173.245.58.125 and 3 other IP addresses.

lakas.ns.cloudflare.com resolves to 108.162.193.194, 172.64.33.194, 173.245.59.194 and 3 other IP addresses.

cs.dev - robtex.com

cs.dev

dev