.cz

Download .cz domains

1,179,634 active domains

Public suffix · Under .cz · Operated by CZ.NIC

TLD suffix -47.18% YoY Latest export · 0 days ago
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About .cz

.cz is a multi-level public suffix sitting one level below .cz. Suffixes like this exist because registries reserve a second level for specific registrant categories. Registrants treat them as if they were top-level TLDs, and so do webatla datasets.

At a glance

Suffix.cz
Parent TLD.cz
RegistryCZ.NIC
Domains1,179,634
Growth (YoY)-47.18%
New domain registrations
2,507 last week
5,073 last month
Active domains
1,179,634
registered in this zone
Active websites
1,107,633
resolved successfully in the last export
DNS
1,142,270
domains with DNS records
Countries
88
countries represented (by hosting IP)
RDAP & WHOIS
1,179,623
domains with RDAP & WHOIS records

Database preview of .cz domains

5 sample rows from the live database. Switch the dataset to see what each one contains, then preview the file or buy the full dataset.

webatla-cz-all-2026-06-13.jsonl.zst · 1,179,634 rows · 5.1 MB · 23 columns Daily fresh export
DomainTLD suffixTLDDomain type
ceskatelevize.czczczICANN
active24.czczczICANN
denik.czczczICANN
idnes.czczczICANN
ceskenoviny.czczczICANN
DomainTLD suffixTLDDomain typeCountry by IPPR valueHarmonic valueDomain creation dateDomain expiration date
ceskatelevize.czczczICANNSK0.000010172118,275,8462000-06-042027-06-04
active24.czczczICANNSK0.0000082565414,317,5182004-06-042030-06-03
denik.czczczICANNUS0.0000080520818,264,9941998-07-042026-10-23
idnes.czczczICANNCZ0.0000072853217,249,8221997-11-302026-10-19
ceskenoviny.czczczICANNCZ0.0000061066918,293,9021998-03-032030-10-09
DomainTLD suffixTLDDomain typeHTTP statusIP addressCountry by IPSocial networksTechnologies last data checkedTechnologiesPR valueHarmonic valueDomain creation dateDomain expiration date
ceskatelevize.czczczICANNHTTP 20085.239.69.9SK{"threads":["https://threads.net/@ceskatelevize"],"youtube":["https://youtube.com/ceskatelevize"],"facebook":["https://facebook.com/ceskatelevize"],"instagram":["https://instagram.com/ceskatelevize"],"x-twitter":["https://x.com/czechtv"]}2026-05-02PHP, React, Hotjar, jQuery 1.11.1, Modernizr, jQuery UI 1.10.0, Open Graph, Facebook Pixel, Google Analytics, Apple iCloud Mail0.000010172118,275,8462000-06-042027-06-04
active24.czczczICANNHTTP 20037.9.169.171SK{"youtube":["https://youtube.com/@active24czsk"],"facebook":["https://facebook.com/active24cz"],"linkedin":["https://cz.linkedin.com/company/active24"],"instagram":["https://instagram.com/active24cz"]}2026-04-23DHL, PHP, HSTS, MySQL, Nginx, Quill, jQuery, Alpine.js, Bootstrap 5, WordPress0.0000082565414,317,5182004-06-042030-06-03
denik.czczczICANNHTTP 200104.20.28.105US{"facebook":["https://facebook.com/denik.cz"],"instagram":["https://instagram.com/denik.cz"],"x-twitter":["https://twitter.com/denikcz"]}2026-05-05PHP, PWA, RSS, HSTS, Cxense, HTTP/3, Cloudflare, Open Graph, Microsoft 365, Priority Hints0.0000080520818,264,9941998-07-042026-10-23
idnes.czczczICANNHTTP 200185.17.117.32CZ{"tiktok":["https://tiktok.com/@idnescz"],"facebook":["https://facebook.com/iDNES.cz"],"telegram":["https://t.me/idnescz"],"instagram":["https://instagram.com/idnescz"],"x-twitter":["https://x.com/iDNEScz"]}2026-05-14RSS, HSTS, Cxense, Sectigo, Google Ads, Open Graph, Facebook Pixel, Priority Hints, Google Analytics, Microsoft Clarity0.0000072853217,249,8221997-11-302026-10-19
ceskenoviny.czczczICANNHTTP 20080.79.27.48CZ{"youtube":["https://youtube.com/user/CTKvideozpravy/feed"],"facebook":["https://facebook.com/CTK.cz"],"x-twitter":["https://twitter.com/ceskenoviny_cz"]}2026-05-02PHP, RSS, HSTS, Open Graph, Google Font API, Google Analytics GA4, Snowplow Analytics0.0000061066918,293,9021998-03-032030-10-09
DomainTLD suffixTLDDomain typeDNS last data checkedDNS StatusDNS records
ceskatelevize.czczczICANN2026-06-10TRUE{"A":["85.239.69.9"],"DS":[{"digest":"494e0b6cf3f6694d4aded30b20d198e707e52c839e70c1ee94838b0a4a2523aa","key_tag":16017,"algorithm":13,"digest_type":2}],"MX":[{"host":"mail3.czech-tv.cz","priority":10},{"host":"mail4.czech-tv.cz","priority":20}],"NS":["ceskatelevize1.ns.nic.cz","ceskatelevize2.ns.nic.cz"],"SOA":{"mname":"ceskatelevize1.ns.nic.cz","retry":7200,"rname":"systemacivt.czech-tv.cz","expire":1209600,"serial":2025091897,"minimum":3600,"refresh":14400},"TXT":["MOSYQS70XBPINVMQLHI2ALE3M532NU2X15BJ3MN0","MS=ms49398127","apple-domain-verification=m2Qs3HNWu2MghoIa","asv=f6a8261aef3edc4b0d0acb111c26160c","google-site-verification=JRZrcqhcp09xCPka-nJFLInl4dmXM3FS_M8x2eMK9XQ","google-site-verification=LBBE5gCE4XN2R0EjFexxqAZape8rBnWJGApm_oTaVEY","miro-verification=c5f67960b9972dfd58095f23c5698997046dccc7","v=spf1 a mx ip4:85.236.69.30 ip4:85.239.66.10 ip4:85.239.66.51 ip4:85.239.68.68 ip4:85.239.69.56 ip4:207.154.194.238 ip4:85.239.64.55 mx:mail3.czech-tv.cz mx:mail4.czech-tv.cz ~all"],"DNSKEY":[{"flags":256,"protocol":3,"algorithm":13,"public_key":"KrTo4rm4LDPZomI2J6Gzl69Uzq36diCg6F1GiCK1sTDU+LL5BKdOsTeR6KNleHiuv4OAZYtyIwfEnbNGObEEUw=="},{"flags":257,"protocol":3,"algorithm":13,"public_key":"+Ebv27sHsGBhsZ0L8+5+KfnXTWwuZ6CeH5HLZYYVfLg8fOddmOoGT8Uyfwpl+j7oPzDGORAj0y8gpme/Zs3t7w=="}]}
active24.czczczICANN2026-06-01TRUE{"A":["37.9.169.171","37.9.169.172","37.9.169.173"],"MX":[{"host":"mx.spamfilter.io","priority":10}],"NS":["alfa.ns.active24.cz","beta.ns.active24.cz","gama.ns.active24.sk"],"CAA":[{"tag":"issue","flags":0,"value":"letsencrypt.org"},{"tag":"iodef","flags":0,"value":"mailto:caa@active24.cz"},{"tag":"issue","flags":0,"value":"sectigo.com"},{"tag":"issuewild","flags":0,"value":"sectigo.com"},{"tag":"issue","flags":0,"value":"thawte.com"},{"tag":"issuewild","flags":0,"value":"thawte.com"}],"SOA":{"mname":"alfa.ns.active24.cz","retry":3600,"rname":"hostmaster.active24.cz","expire":604800,"serial":2026052813,"minimum":3600,"refresh":14400},"TXT":["OSSRH-58398","amazonses:eAOuVxlmO4a4k2BCjPK4EFOjyQUfFEFWniuTB0Dmphk=","facebook-domain-verification=bxdobw5c71ymo1s50cisodul6ydxxt","google-site-verification=4lO5Pxtc--qLdlzLBO92yZsZ-tZ8zm2BrhC-bCVPDL0","have-i-been-pwned-verification=10638c872e65592e7e9859936bddef7b","v=spf1 mx ip4:81.95.96.0/20 ip4:31.15.8.0/21 ip4:185.12.196.0/22 ip4:185.26.229.213 ip6:2a02:4a8:ac24::/48 ip4:212.123.41.224/28 include:_spf.hostedemail.com include:servers.mcsv.net include:spf.spamfilter.io include:spf.protection.outlook.com includ e:spf-eu.emailsignatures365.com -all"],"AAAA":["2a00:4b40:1000:4:37:9:169:171","2a00:4b40:1000:4:37:9:169:172","2a00:4b40:1000:4:37:9:169:173"]}
denik.czczczICANN2026-05-30TRUE{"A":["104.20.28.105","172.66.150.5"],"MX":[{"host":"denik-cz.mail.protection.outlook.com","priority":0}],"NS":["emily.ns.cloudflare.com","jeremy.ns.cloudflare.com"],"SOA":{"mname":"emily.ns.cloudflare.com","retry":2400,"rname":"dns.cloudflare.com","expire":604800,"serial":2404432113,"minimum":1800,"refresh":10000},"TXT":["MS=ms95048318","TuDmF/4YFcXvmzbz2gTGquyLWV7XxnaGt1KKAuzHOujOMMslUwwihHp5fibO9c9PpwSWBzud27RnrOcvkkPglA==","Y3lsweE0Ho5ylcTbxFCD9jPbk6sII4bUGgT1r5v8aXVTt1BVSAVu47v7/jrnYauMont1PeL2XORR25XQjh6y8g==","ahrefs-site-verification_7025c9ab1c7555552fb56178c705f2a5f3126809165fcec7da2106f07572f204","anthropic-domain-verification-ysas0t=iZFdCT56vQqJ86RDiDRdwYjZJ","atlassian-domain-verification=ONPwBIpoCfM1TNvfNmV8EChGfJKHlBGpcKrr6GWwX2s2ZsdgnQxXkICoO63WRoF0","canva-site-verification=_wGOvTMijYXrJ5Ap0s1NGg","facebook-domain-verification=adtwsl1n0gi8qt86ofi29k6unazf89","google-site-verification=Dat8ldpndHnVORQ3Pwwg5myVEoGuTVOU1wVZsYJQ-Sw","google-site-verification=GC6AaduX5vYXPvrn9VNrS85A-EhIAgX8kTtSZqMSWm4","v=spf1 ip4:195.191.204.0/23 include:spf.protection.outlook.com include:spf1.supportbox.cz -all"],"AAAA":["2606:4700:10::6814:1c69","2606:4700:10::ac42:9605"]}
idnes.czczczICANN2026-06-05TRUE{"A":["185.17.117.32"],"MX":[{"host":"smtp1.mafra.cz","priority":10},{"host":"smtp2.mafra.cz","priority":10},{"host":"smtp3.mafra.cz","priority":20},{"host":"smtp4.mafra.cz","priority":20}],"NS":["ns.mafra.cz","ns.mafracz.net","ns2.mafra.cz"],"CAA":[{"tag":"issue","flags":0,"value":"letsencrypt.org"},{"tag":"iodef","flags":0,"value":"mailto:itcerts@mafra.cz"},{"tag":"issue","flags":0,"value":"sectigo.com"}],"SOA":{"mname":"ns.mafra.cz","retry":900,"rname":"hostmaster.mafra.cz","expire":604800,"serial":2026060502,"minimum":300,"refresh":300},"TXT":["MS=ms45743943","asv_domain=11002d5c5b01eab3f7176d9abcdde1f0","cisco-ci-domain-verification=1c493ddf9c6e7bbb3accae8c8bcaffdc5bc73dcee0a05cf2228e3bba1dd142d","google-site-verification=3gmVU4Owr1irArdk1y6yJuW61YwWidJGkuHorgyLxDc","google-site-verification=VdNNYIF4KCAI_-Fde4OKMfDGyYUb4JtYO8m8IbuDKAg","google-site-verification=e8vQLJxL2f86eMT_umz9otbgNecaKeIPbOc3APmK_tI","v=spf1 include:_spf.xqueue.com include:spf.mafra.cz ip4:195.146.144.22 ip4:195.146.144.24 ip4:185.63.156.22 ip4:185.63.156.24 include:spf.smartemailing.cz -all"]}
ceskenoviny.czczczICANN2026-06-11TRUE{"A":["80.79.27.48"],"MX":[{"host":"irp.ctk.cz","priority":15},{"host":"irp2.ctk.cz","priority":15},{"host":"mail.ctk.cz","priority":10}],"NS":["ns.ceskenoviny.cz","ns.ctk.cz"],"SOA":{"mname":"ns.ceskenoviny.cz","retry":3600,"rname":"root.ns.ceskenoviny.cz","expire":604800,"serial":2026051204,"minimum":10800,"refresh":300},"TXT":["google-site-verification=p-USoXL8_yvK1R3343R5hYXOH91Mb_cfznnfeB7etSc","v=spf1 mx include:incosrv.com ip4:62.168.9.222 ip4:62.168.9.223 ip4:62.168.9.132 ip4:94.247.37.222 ip4:80.79.27.48 ip4:193.86.66.220 a:support.clapix.com include:incosrv.com ~all"],"AAAA":["2a01:430:0:37::48"]}
DomainRDAP/WHOIS last data checkedRDAP/WHOIS methodDomain creation dateDomain expiration dateDomain last changedRegistrarRDAP/WHOIS RecordResponse Status RDAP/WHOIS
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Showing 5 of 1,179,634 rows · All active domains · Every live domain with its TLD and domain type.

Top technologies on .cz

TechnologySitesShare
PHP 200K 18.1%
Nginx 194K 17.6%
jQuery 171K 15.5%
Apache HTTP Server 158K 14.3%
Google Font API 145K 13.1%

Top countries on .cz

CountrySitesShare
🇨🇿 Czechia 747K 67.5%
🇺🇸 United States 97K 8.8%
🇸🇰 Slovakia 84K 7.6%
🇩🇪 Germany 83K 7.5%
🇬🇧 United Kingdom 36K 3.3%

The .cz dataset

Everything we have on 1,179,634 .cz domains in one downloadable file — fresh export every day. Same columns and cadence as any top-level TLD.

Buy a dataset to download .cz

The full .cz slice (5.1 MB JSONL, fresh daily exports) lives inside each dataset. Buy one — €29 to €599 / month — and download immediately. No subscription.

See datasets ↓ Download free preview (20 rows)

Frequently asked questions

How many .cz domains are there?

webatla tracks 1.2M active .cz domains, re-exported every day — each with its DNS, RDAP/WHOIS, detected technologies, IP, hosting country and ranking.

Can I download the full list of .cz domains?

Yes — the full .cz list downloads as structured JSONL (zstd). Pay once for one month, no subscription; a free sample is available first.

What's included for each domain, and how fresh is it?

Every domain carries the full schema — DNS, RDAP/WHOIS, technologies, IP & country, PageRank and Harmonic — re-exported daily.

Other suffixes under .cz