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Daily transfers

Chord diagram of domain transfers between registrars on July 7, 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 8, 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 7, 2025 and their evolution during the preceding 30 days

Country Domains Parked Trend
Czechia 1 368 412 17.3 %
Slovakia 29 036 40.9 %
USA 25 444 4.5 %
Germany 14 925 17 %
Poland 7 663 8.4 %
UK 6 358 9.7 %
China 5 262 0.9 %
France 4 771 11.1 %
Netherlands 4 075 12.8 %
Bulgaria 3 641 2.1 %
Austria 2 522 25.5 %
Ukraine 2 374 10 %
Switzerland 2 358 15.8 %
Denmark 2 110 5.3 %
Other 21 287 11 %

Czech regions

Domains by holder’s region of residence in Czechia – current numbers for July 7, 2025

Region Domains
Hlavní město Praha 428 405 428405
Jihomoravský 173 014 173014
Středočeský 147 993 147993
Moravskoslezský 103 410 103410
Zlínský 66 947 66947
Jihočeský 57 460 57460
Ústecký 53 246 53246
Královéhradecký 52 662 52662
Pardubický 51 851 51851
Olomoucký 48 370 48370
Plzeňský 48 075 48075
Unknown 40 483 40483
Vysočina 39 935 39935
Liberecký 39 758 39758
Karlovarský 16 803 16803

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 332 253 79 14
INTERNET-CZ 326 346 60 8
ACTIVE24 190 964 85 32
WEBGLOBE 150 633 65 15
GRANSY 131 999 35 13
other 128 751 36 12
ZONER 64 502 79 28
MEDIA4WEB 51 383 76 5
WEB4U 43 456 77 28
THINLINE 37 676 93 33
WEBSUPPORT 21 381 30 47
1API 20 655 0 3

Domain operations

Registry operations related to domains in the time period before July 8, 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 8, 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 8, 2025
rdap
RDAP protocol (successor to Whois)
unix
traditional Whois command-line interface
web
web interface