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Daily transfers

Chord diagram of domain transfers between registrars on November 30, 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 November 1, 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 November 30, 2025 and their evolution during the preceding 30 days

Country Domains Parked Trend
Czechia 1 384 840 13.7 %
Slovakia 29 854 40 %
USA 25 029 5.1 %
Germany 15 273 16.5 %
Poland 7 961 7.8 %
UK 6 427 8.2 %
China 4 869 0.8 %
France 4 743 10.8 %
Netherlands 4 065 13.4 %
Bulgaria 3 321 3.3 %
Ukraine 3 130 9.2 %
Austria 2 530 25.3 %
Switzerland 2 339 14.4 %
Italy 2 063 6.6 %
Other 20 883 11.2 %

Czech regions

Domains by holder’s region of residence in Czechia – current numbers for November 30, 2025

Region Domains
Hlavní město Praha 433 334 433334
Jihomoravský 174 933 174933
Středočeský 149 847 149847
Moravskoslezský 104 675 104675
Zlínský 67 775 67775
Jihočeský 58 489 58489
Ústecký 53 943 53943
Královéhradecký 53 424 53424
Pardubický 52 734 52734
Olomoucký 49 022 49022
Plzeňský 48 948 48948
Vysočina 40 262 40262
Unknown 40 240 40240
Liberecký 40 217 40217
Karlovarský 16 997 16997

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 339 492 80 4
INTERNET-CZ 331 492 60 8
ACTIVE24 192 185 85 32
WEBGLOBE 152 120 63 16
GRANSY 132 571 33 12
other 129 917 27 10
ZONER 64 678 80 5
MEDIA4WEB 51 457 76 5
WEB4U 43 101 77 28
THINLINE 39 507 93 33
WEBSUPPORT 22 586 63 47
TELE3 18 188 56 12

Domain operations

Registry operations related to domains in the time period before December 1, 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 December 1, 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 December 1, 2025
rdap
RDAP protocol (successor to Whois)
unix
traditional Whois command-line interface
web
web interface