cz.dev - dns.ninja

`cz.dev`

DNSSEC	⚠️ Not signed
NS	`harvey.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c98^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`harvey.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c398^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`harvey.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2398^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`harvey.ns.cloudflare.com`
		A	108.162.195.152^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`harvey.ns.cloudflare.com`
		A	162.159.44.152^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`harvey.ns.cloudflare.com`
		A	172.64.35.152^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`harvey.ns.cloudflare.com`
NS	`janet.ns.cloudflare.com`
		A	2606:4700:50::adf5:3aa9^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`janet.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0a9^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`janet.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20a9^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`janet.ns.cloudflare.com`
		A	108.162.192.169^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`janet.ns.cloudflare.com`
		A	172.64.32.169^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`janet.ns.cloudflare.com`
		A	173.245.58.169^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`janet.ns.cloudflare.com`
SOA	`harvey.ns.cloudflare.com`dns@cloudflare.com serial=2410202401

`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

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cz.law

cz.js.cn

cz.cz

cz.school

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cz.abbott

cz.uy

cz.ca

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cz.be

cz.s3-website.eu-central-1.amazonaws.com

cz.dk

cz.ws

cz.tf

cz.org

cz.hu

cz.weber

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cz.uz

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cz.eu.org

cz.construction

cz.tl

cz.au

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cz.sa.com

cz.ru

cz.ink

cz.no

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cz.net

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zc.bz

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zc.org.cn

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zc.i234.me

zc.tw.cn

zc.com

zc.org

zc.chat

zc.ma

zc.vg

zc.nl

zc.com.au

zc.pt

DNS History

2 records (2 active, 0 former)

●NSharvey.ns.cloudflare.com2026-02-14 → 2026-08-11 · 2 obs

● 2026-02-14 23:15:26
● 2026-08-11 09:20:24

●NSjanet.ns.cloudflare.com2026-02-14 → 2026-08-11 · 2 obs

● 2026-02-14 23:15:26
● 2026-08-11 09:20:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld5.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...	-
cz.dev	harvey.ns.cloudflare.com, janet.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.169

NS records: harvey.ns.cloudflare.com, janet.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cz.dev (unsigned zone)

⏱️ Timing

Total: 208ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`harvey.ns.cloudflare.com, janet.ns.cloudflare.com`
SOA	1	`harvey.ns.cloudflare.com dns.cloudflare.`

Analysis

Name Servers

cz.dev has two authoritative name servers — harvey.ns.cloudflare.com and janet.ns.cloudflare.com.

cz.dev shares its name server setup with other domains, including cl.dev, wholedesignstudios.com, lu.dev and two others.

The name servers of cz.dev overlap at least partially with those of other domains — among them ufml-asso.fr, grabbite.com, jesuitas.ec and two more.

These name servers commonly appear alongside the name servers wells.ns.cloudflare.com and elisa.ns.cloudflare.com.

Host names with 6 IP numbers:

harvey.ns.cloudflare.com points to 108.162.195.152, 162.159.44.152, 172.64.35.152 and 3 other IP addresses.

janet.ns.cloudflare.com points to 108.162.192.169, 172.64.32.169, 173.245.58.169 and 3 other IP addresses.