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Daily transfers

Chord diagram of domain transfers between registrars on October 16, 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 September 17, 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 October 16, 2025 and their evolution during the preceding 30 days

Country Domains Parked Trend
Czechia 1 379 531 13.9 %
Slovakia 29 533 39.8 %
USA 24 961 4.9 %
Germany 15 254 16.6 %
Poland 7 795 7.2 %
UK 6 410 8.4 %
China 4 896 1 %
France 4 758 11 %
Netherlands 4 090 12.6 %
Bulgaria 3 317 1.9 %
Ukraine 2 838 9.3 %
Austria 2 510 25.2 %
Switzerland 2 335 14.9 %
Italy 2 074 5.9 %
Other 21 071 11 %

Czech regions

Domains by holder’s region of residence in Czechia – current numbers for October 16, 2025

Region Domains
Hlavní město Praha 431 736 431736
Jihomoravský 174 523 174523
Středočeský 149 092 149092
Moravskoslezský 104 245 104245
Zlínský 67 471 67471
Jihočeský 58 069 58069
Ústecký 53 526 53526
Královéhradecký 53 256 53256
Pardubický 52 468 52468
Olomoucký 48 771 48771
Plzeňský 48 731 48731
Unknown 40 474 40474
Liberecký 40 122 40122
Vysočina 40 122 40122
Karlovarský 16 925 16925

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 336 913 80 4
INTERNET-CZ 329 915 60 9
ACTIVE24 191 832 85 32
WEBGLOBE 151 138 64 15
GRANSY 132 819 34 12
other 129 137 36 12
ZONER 64 649 79 5
MEDIA4WEB 51 485 76 5
WEB4U 43 220 77 28
THINLINE 39 005 93 33
WEBSUPPORT 22 191 53 47
1API 18 476 0 4

Domain operations

Registry operations related to domains in the time period before October 17, 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 October 17, 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 October 17, 2025
rdap
RDAP protocol (successor to Whois)
unix
traditional Whois command-line interface
web
web interface