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Daily transfers

Chord diagram of domain transfers between registrars on December 30, 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 December 1, 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 December 30, 2025 and their evolution during the preceding 30 days

Country Domains Parked Trend
Czechia 1 385 131 13.9 %
Slovakia 29 917 40 %
USA 25 096 5.8 %
Germany 15 246 16.7 %
Poland 8 032 8 %
UK 6 453 8.1 %
France 4 727 10.8 %
Netherlands 4 079 13.5 %
China 3 774 2.5 %
Ukraine 3 331 7.3 %
Bulgaria 3 243 1.9 %
Austria 2 588 24.9 %
Switzerland 2 347 12 %
Italy 2 119 5.8 %
Other 19 893 12.1 %

Czech regions

Domains by holder’s region of residence in Czechia – current numbers for December 30, 2025

Region Domains
Hlavní město Praha 433 231 433231
Jihomoravský 174 896 174896
Středočeský 149 902 149902
Moravskoslezský 104 820 104820
Zlínský 67 839 67839
Jihočeský 58 779 58779
Ústecký 53 891 53891
Královéhradecký 53 469 53469
Pardubický 52 755 52755
Olomoucký 49 130 49130
Plzeňský 49 004 49004
Vysočina 40 247 40247
Liberecký 40 192 40192
Unknown 39 997 39997
Karlovarský 16 979 16979

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 340 609 80 5
INTERNET-CZ 326 656 62 8
ACTIVE24 192 092 81 32
WEBGLOBE 144 162 71 16
GRANSY 138 317 33 12
other 129 843 27 10
ZONER 64 497 80 5
MEDIA4WEB 56 242 79 5
WEB4U 42 964 77 28
THINLINE 39 840 93 33
WEBSUPPORT 22 703 69 47
TELE3 18 022 56 12

Domain operations

Registry operations related to domains in the time period before December 31, 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 December 31, 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 December 31, 2025
rdap
RDAP protocol (successor to Whois)
unix
traditional Whois command-line interface
web
web interface