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Daily transfers

Chord diagram of domain transfers between registrars on June 2, 2026
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 4, 2026

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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 2, 2026 and their evolution during the preceding 30 days

Country Domains Parked Trend
Czechia 1 409 389 13 %
Slovakia 30 855 39.7 %
USA 23 963 6.2 %
China 16 869 5.3 %
Germany 15 774 15.9 %
Poland 8 854 8.1 %
UK 6 693 7 %
Ukraine 5 106 4.3 %
France 4 717 10.5 %
Netherlands 4 241 13.4 %
Bulgaria 3 312 2.2 %
Austria 2 877 24.6 %
Italy 2 785 5.8 %
Switzerland 2 432 15.3 %
Other 24 075 12.2 %

Czech regions

Domains by holder’s region of residence in Czechia – current numbers for June 2, 2026

Region Domains
Hlavní město Praha 441 083 441083
Jihomoravský 177 975 177975
Středočeský 152 306 152306
Moravskoslezský 106 692 106692
Zlínský 68 632 68632
Jihočeský 60 872 60872
Ústecký 54 890 54890
Pardubický 54 586 54586
Královéhradecký 53 114 53114
Olomoucký 50 448 50448
Plzeňský 50 139 50139
Vysočina 40 991 40991
Liberecký 40 793 40793
Unknown 39 485 39485
Karlovarský 17 383 17383

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 355 655 77 4
INTERNET-CZ 331 361 62 7
ACTIVE24 192 539 86 33
GRANSY 151 629 31 7
WEBGLOBE 151 320 73 16
other 131 966 34 10
ZONER 63 869 80 5
MEDIA4WEB 51 004 77 5
WEB4U 42 681 77 28
THINLINE 42 270 93 27
WEBSUPPORT 24 271 88 47
KEYSYSTEMS 22 766 5 13

Domain operations

Registry operations related to domains in the time period before June 3, 2026
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 3, 2026
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 3, 2026
rdap
RDAP protocol (successor to Whois)
unix
traditional Whois command-line interface
web
web interface