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Daily transfers

Chord diagram of domain transfers between registrars on June 15, 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 May 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 June 15, 2025 and their evolution during the preceding 30 days

Country Domains Parked Trend
Czechia 1 367 684 17.5 %
Slovakia 29 110 40.7 %
USA 25 983 4.4 %
Germany 14 925 16.9 %
Poland 7 632 8.1 %
UK 6 218 9.4 %
China 5 308 1.1 %
France 4 746 10.4 %
Netherlands 4 076 12.8 %
Bulgaria 3 627 2.1 %
Austria 2 515 25.8 %
Switzerland 2 370 16.6 %
Ukraine 2 340 8.4 %
Denmark 2 162 5.3 %
Other 21 731 10.6 %

Czech regions

Domains by holder’s region of residence in Czechia – current numbers for June 15, 2025

Region Domains
Hlavní město Praha 428 154 428154
Jihomoravský 172 844 172844
Středočeský 147 969 147969
Moravskoslezský 103 427 103427
Zlínský 66 780 66780
Jihočeský 57 411 57411
Ústecký 53 273 53273
Královéhradecký 52 654 52654
Pardubický 51 827 51827
Olomoucký 48 249 48249
Plzeňský 48 083 48083
Unknown 40 573 40573
Vysočina 39 927 39927
Liberecký 39 759 39759
Karlovarský 16 754 16754

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 330 339 80 15
INTERNET-CZ 326 220 60 9
ACTIVE24 191 030 86 32
WEBGLOBE 150 840 66 15
GRANSY 133 236 34 13
other 129 455 35 12
ZONER 64 442 79 28
MEDIA4WEB 51 454 76 5
WEB4U 43 502 77 28
THINLINE 37 433 93 33
1API 21 304 0 3
WEBSUPPORT 21 232 26 46

Domain operations

Registry operations related to domains in the time period before June 16, 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 June 16, 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 June 16, 2025
rdap
RDAP protocol (successor to Whois)
unix
traditional Whois command-line interface
web
web interface