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Daily transfers

Chord diagram of domain transfers between registrars on December 25, 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 November 26, 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 25, 2025 and their evolution during the preceding 30 days

Country Domains Parked Trend
Czechia 1 385 343 13.9 %
Slovakia 29 913 40 %
USA 25 063 5.8 %
Germany 14 984 16.7 %
Poland 8 013 8 %
UK 6 450 8.1 %
France 4 731 10.8 %
China 4 173 2.5 %
Netherlands 4 077 13.5 %
Ukraine 3 317 7.3 %
Bulgaria 3 298 1.9 %
Austria 2 542 24.9 %
Switzerland 2 347 12 %
Italy 2 125 5.8 %
Other 19 996 12.1 %

Czech regions

Domains by holder’s region of residence in Czechia – current numbers for December 25, 2025

Region Domains
Hlavní město Praha 433 364 433364
Jihomoravský 174 932 174932
Středočeský 149 919 149919
Moravskoslezský 104 819 104819
Zlínský 67 854 67854
Jihočeský 58 716 58716
Ústecký 53 874 53874
Královéhradecký 53 485 53485
Pardubický 52 745 52745
Olomoucký 49 119 49119
Plzeňský 49 002 49002
Vysočina 40 257 40257
Liberecký 40 199 40199
Unknown 40 081 40081
Karlovarský 16 977 16977

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 340 897 80 5
INTERNET-CZ 331 571 61 8
ACTIVE24 192 181 82 32
WEBGLOBE 144 289 65 16
GRANSY 138 432 33 12
other 129 509 27 10
ZONER 64 534 80 5
MEDIA4WEB 51 358 77 6
WEB4U 42 984 77 28
THINLINE 39 816 93 33
WEBSUPPORT 22 717 68 47
TELE3 18 054 56 12

Domain operations

Registry operations related to domains in the time period before December 26, 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 26, 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 26, 2025
rdap
RDAP protocol (successor to Whois)
unix
traditional Whois command-line interface
web
web interface