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Daily transfers

Chord diagram of domain transfers between registrars on December 3, 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 4, 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 3, 2025 and their evolution during the preceding 30 days

Country Domains Parked Trend
Czechia 1 385 503 13.7 %
Slovakia 29 877 40 %
USA 25 036 5.1 %
Germany 15 277 16.5 %
Poland 7 969 7.8 %
UK 6 436 8.2 %
China 4 854 0.8 %
France 4 741 10.8 %
Netherlands 4 058 13.4 %
Bulgaria 3 319 3.3 %
Ukraine 3 151 9.2 %
Austria 2 532 25.3 %
Switzerland 2 343 14.4 %
Italy 2 069 6.6 %
Other 20 858 11.2 %

Czech regions

Domains by holder’s region of residence in Czechia – current numbers for December 3, 2025

Region Domains
Hlavní město Praha 433 659 433659
Jihomoravský 175 040 175040
Středočeský 149 928 149928
Moravskoslezský 104 792 104792
Zlínský 67 809 67809
Jihočeský 58 539 58539
Ústecký 53 817 53817
Královéhradecký 53 435 53435
Pardubický 52 750 52750
Olomoucký 49 048 49048
Plzeňský 48 964 48964
Vysočina 40 281 40281
Unknown 40 231 40231
Liberecký 40 200 40200
Karlovarský 17 010 17010

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 339 848 80 4
INTERNET-CZ 331 589 60 8
ACTIVE24 192 300 84 32
WEBGLOBE 152 148 63 16
GRANSY 132 512 33 12
other 129 950 27 10
ZONER 64 679 80 5
MEDIA4WEB 51 477 77 5
WEB4U 43 102 77 28
THINLINE 39 585 93 33
WEBSUPPORT 22 624 64 47
TELE3 18 179 56 12

Domain operations

Registry operations related to domains in the time period before December 4, 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 4, 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 4, 2025
rdap
RDAP protocol (successor to Whois)
unix
traditional Whois command-line interface
web
web interface