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Daily transfers

Chord diagram of domain transfers between registrars on July 12, 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 June 13, 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 July 12, 2025 and their evolution during the preceding 30 days

Country Domains Parked Trend
Czechia 1 368 757 17.3 %
Slovakia 29 053 40.9 %
USA 25 338 4.5 %
Germany 14 907 17 %
Poland 7 695 8.4 %
UK 6 354 9.7 %
China 5 241 0.9 %
France 4 774 11.1 %
Netherlands 4 076 12.8 %
Bulgaria 3 578 2.1 %
Austria 2 521 25.5 %
Ukraine 2 399 10 %
Switzerland 2 348 15.8 %
Denmark 2 058 5.3 %
Other 21 215 11 %

Czech regions

Domains by holder’s region of residence in Czechia – current numbers for July 12, 2025

Region Domains
Hlavní město Praha 428 382 428382
Jihomoravský 173 081 173081
Středočeský 148 046 148046
Moravskoslezský 103 468 103468
Zlínský 67 020 67020
Jihočeský 57 470 57470
Ústecký 53 259 53259
Královéhradecký 52 687 52687
Pardubický 51 880 51880
Olomoucký 48 399 48399
Plzeňský 48 106 48106
Unknown 40 477 40477
Vysočina 39 927 39927
Liberecký 39 746 39746
Karlovarský 16 809 16809

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 332 497 79 14
INTERNET-CZ 326 448 60 8
ACTIVE24 191 037 86 32
WEBGLOBE 150 568 65 15
GRANSY 131 895 35 13
other 128 698 36 12
ZONER 64 500 79 28
MEDIA4WEB 51 392 76 5
WEB4U 43 470 77 28
THINLINE 37 716 93 33
WEBSUPPORT 21 416 32 47
1API 20 438 0 3

Domain operations

Registry operations related to domains in the time period before July 13, 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 July 13, 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 July 13, 2025
rdap
RDAP protocol (successor to Whois)
unix
traditional Whois command-line interface
web
web interface