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Daily transfers

Chord diagram of domain transfers between registrars on March 14, 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 February 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 March 14, 2025 and their evolution during the preceding 30 days

Country Domains Parked Trend
Czechia 1 364 087 17.1 %
Slovakia 28 974 40.5 %
USA 27 352 4.5 %
Germany 15 362 15.9 %
Poland 7 698 8.5 %
UK 6 201 10 %
China 5 395 3.1 %
France 5 109 9.4 %
Netherlands 4 131 13 %
Bulgaria 3 529 3 %
Austria 2 509 26.2 %
Switzerland 2 480 17.5 %
Denmark 2 181 5 %
Ukraine 2 065 10.6 %
Other 21 539 10.8 %

Czech regions

Domains by holder’s region of residence in Czechia – current numbers for March 14, 2025

Region Domains
Hlavní město Praha 427 002 427002
Jihomoravský 171 808 171808
Středočeský 147 859 147859
Moravskoslezský 103 229 103229
Zlínský 66 418 66418
Jihočeský 57 314 57314
Ústecký 53 273 53273
Královéhradecký 52 151 52151
Pardubický 51 906 51906
Olomoucký 48 123 48123
Plzeňský 47 847 47847
Unknown 41 238 41238
Vysočina 39 731 39731
Liberecký 39 536 39536
Karlovarský 16 652 16652

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 (%)
INTERNET-CZ 324 400 60 8
WEDOS 323 341 82 14
ACTIVE24 191 091 75 32
WEBGLOBE 150 870 67 14
GRANSY 138 287 33 12
other 130 220 36 12
ZONER 64 395 79 29
MEDIA4WEB 51 537 75 5
WEB4U 44 060 77 27
THINLINE 36 668 7 33
1API 22 738 0 3
WEBSUPPORT 20 453 5 46

Domain operations

Registry operations related to domains in the time period before March 15, 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 March 15, 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 March 15, 2025
rdap
RDAP protocol (successor to Whois)
unix
traditional Whois command-line interface
web
web interface