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Daily transfers

Chord diagram of domain transfers between registrars on November 19, 2025
A chord diagram represents flows between several entities, each represented by a segment on the outer part of the circular layout. Chords (arcs) are drawn between each pair of entities, representing bi-directional transfers between them. The size of a chord is proportional to the magnitude of the flow.

Monthly transfers

Heatmap of domain transfers between registrars since October 21, 2025

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Domains

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.

Countries

Domains by country of holders’ residence – current numbers for November 19, 2025 and their evolution during the preceding 30 days

Country Domains Parked Trend
Czechia 1 383 253 13.9 %
Slovakia 29 796 39.8 %
USA 25 056 5.1 %
Germany 15 264 16.5 %
Poland 7 937 7.7 %
UK 6 427 8.4 %
China 4 871 1.1 %
France 4 754 10.9 %
Netherlands 4 070 13.1 %
Bulgaria 3 349 2.3 %
Ukraine 3 078 8.3 %
Austria 2 522 25.3 %
Switzerland 2 340 15 %
Italy 2 057 6.2 %
Other 20 893 11 %

Czech regions

Domains by holder’s region of residence in Czechia – current numbers for November 19, 2025

Region Domains
Hlavní město Praha 432 822 432822
Jihomoravský 174 725 174725
Středočeský 149 622 149622
Moravskoslezský 104 527 104527
Zlínský 67 711 67711
Jihočeský 58 360 58360
Ústecký 53 889 53889
Královéhradecký 53 372 53372
Pardubický 52 657 52657
Olomoucký 48 964 48964
Plzeňský 48 919 48919
Vysočina 40 242 40242
Unknown 40 238 40238
Liberecký 40 215 40215
Karlovarský 16 990 16990

Holders

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.

Registrars

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

Registrar Domains DNSSEC (%) Parked (%)
WEDOS 338 750 80 4
INTERNET-CZ 331 157 60 9
ACTIVE24 192 112 85 32
WEBGLOBE 151 887 63 15
GRANSY 132 444 34 12
other 129 199 27 11
ZONER 64 659 80 5
MEDIA4WEB 51 439 76 6
WEB4U 43 121 77 28
THINLINE 39 369 93 33
WEBSUPPORT 22 497 61 46
TELE3 18 362 57 12

Domain operations

Registry operations related to domains in the time period before November 20, 2025
Check
Check availability of a domain
Create
Create a domain
Delete
Delete a domain
Info
Get info about a domain
Renew
Renew a domain
SendAuthInfo
Send authorization info associated with a domain
Transfer
Transfer a domain
Update
Update a domain

Contact operations

Registry operations related to contacts in the time period before November 20, 2025
Check
Check availability of a contact
Create
Create a contact
Delete
Delete a contact
Info
Get info about a contact
SendAuthInfo
Send authorization info associated with a contact
Transfer
Transfer a contact
Update
Update a contact

Whois requests

Whois requests by user interface in the week before November 20, 2025
rdap
RDAP protocol (successor to Whois)
unix
traditional Whois command-line interface
web
web interface