List of all registered .CZ domains

Below you can find a list of all known .cz domains for download.

1,063,047 registered .CZ domains.

We have collected data on 2,287,978 domains from Czechia (Czech Republic) under the .CZ top-level domain (ccTLD), of which 1,063,047 have been identified as actively registered. Official records indicate a total of 1,500,657 registered .CZ domains.

Type	Updated	Number of Domains	New Domains Today
All registered .CZ domains	June 21, 2025	1,063,047	24
All known .CZ domains	June 21, 2025	2,287,978	24
Detailed .CZ domain list	June 21, 2025	1,063,047	24

The standard list of registered .CZ domains comprises one domain per line.

The complete list of all known .CZ domains is available in CSV format with two fields: the first is the domain name, and the second is its status (free, registered, or deleted).

Detailed domain lists include the following CSV fields, when available:

Domain Name
Webserver
Request Time
Number of HTML Elements
Google IDs
DNS Servers
IP Addresses
Crawl Date

We also provide custom crawling services should you require additional data beyond the standard information provided.