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 October 19, 2026 and their evolution during the preceding 30 days

Country	Domains	Parked
Czechia	1 441 756	12.6 %
Slovakia	32 121	40.1 %
USA	27 721	5.7 %
China	22 257	2.4 %
Germany	15 000	15.7 %
Poland	9 934	7.5 %
UK	7 110	6.5 %
Ukraine	5 619	2.3 %
France	5 091	9.8 %
Netherlands	4 333	13.5 %
Bulgaria	3 448	2.3 %
Austria	2 647	22.7 %
Switzerland	2 526	15.3 %
Italy	2 430	5.2 %
Other	32 696	9.2 %

Domains by holder’s region of residence in Czechia – current numbers for October 19, 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	371 576	76	3
INTERNET-CZ	337 965	63	7
ACTIVE24	192 580	87	32
GRANSY	162 851	30	7
WEBGLOBE	156 273	74	17
other	140 182	32	10
ZONER	64 627	80	5
MEDIA4WEB	46 744	77	4
THINLINE	44 536	92	31
WEB4U	42 756	77	29
KEYSYSTEMS	28 861	4	10
WEBSUPPORT	25 480	88	46

Registry operations related to domains in the time period before October 20, 2026

Registry operations related to contacts in the time period before October 20, 2026

Whois requests by user interface in the week before October 20, 2026

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