Registry

Number of second-level domains registered in .CZ

The domain counts correspond to the end of each year, and the present day for the current year.

Domains by country of holders’ residence – current numbers for June 20, 2026 and their evolution during the preceding 30 days

Country	Domains	Parked
Czechia	1 412 770	13 %
Slovakia	31 054	39.7 %
USA	24 414	6.2 %
China	17 074	5.3 %
Germany	15 892	15.9 %
Poland	8 953	8.1 %
UK	6 706	7 %
Ukraine	5 418	4.3 %
France	4 719	10.5 %
Netherlands	4 257	13.4 %
Bulgaria	3 331	2.2 %
Austria	2 885	24.6 %
Italy	2 837	5.8 %
Switzerland	2 465	15.3 %
Other	24 885	12.2 %

Domains by holder’s region of residence in Czechia – current numbers for June 20, 2026

Holders by country of residence

Bar chart on the left initially displays current counts of holders. Click the “Play” button to animate the chart or manually drag the slider.

Slope graph on the right shows the changes in the top list of foreign holders over the last 4 years.

Domains by registrars - current numbers and changes in the top list of registrars over last 4 years

Registrar	Domains	DNSSEC (%)	Parked (%)
WEDOS	356 714	77	4
INTERNET-CZ	332 045	62	7
ACTIVE24	192 569	86	33
GRANSY	153 950	30	7
WEBGLOBE	151 192	73	16
other	132 608	34	10
ZONER	63 844	80	5
MEDIA4WEB	50 904	77	5
WEB4U	42 716	77	28
THINLINE	42 544	93	27
WEBSUPPORT	24 539	88	46
KEYSYSTEMS	23 386	4	12

Registry operations related to domains in the time period before June 21, 2026

Registry operations related to contacts in the time period before June 21, 2026

Whois requests by user interface in the week before June 21, 2026

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