Download the list of .cz domains

Zone	Updated	Domains
.cz domains	11.05.2026 00:10 (CET) next update in 2 hours	820 807	Download (zip txt)
.cz detailed dataset (full)	11.05.2026	820 807	Download (zip)
.cz detailed dataset (daily update)	11.05.2026	3 154	Download (zip)
.cz extended detailed dataset (full)	11.05.2026	820 807	Upgrade to ULTIMATE (zip)
.cz extended detailed dataset (daily update)	11.05.2026	3 154	Upgrade to ULTIMATE (zip)

.cz is a country code top-level domain (ccTLD), zone registry maintained by CZ.NIC.
We have 820 807 domains available in .cz zone at the time of: 11.05.2026.

Several dataset options are available, including a simple list of domains and detailed/extended detailed datasets that include email addresses, phone numbers, geodata, DNS, technologies and more. You can learn more about the dataset formats: detailed, extended detailed. You can download a list of all active domains in this zone or a list of newly registered domains only. All datasets are updated daily.

The file contains the most complete list of all registered domains in .cz zone. You can download a list of all .cz Internet addresses in one file in one click. Each domain is represented as a separate line in the file. We update the data in the file every day. Data is also available via API.

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