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Daily transfers

Chord diagram of domain transfers between registrars on December 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 November 15, 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 December 14, 2025 and their evolution during the preceding 30 days

Country Domains Parked Trend
Czechia 1 385 830 13.7 %
Slovakia 29 911 40 %
USA 25 065 5.1 %
Germany 15 250 16.5 %
Poland 7 988 7.8 %
UK 6 443 8.2 %
France 4 750 10.8 %
China 4 430 0.8 %
Netherlands 4 081 13.4 %
Bulgaria 3 318 3.3 %
Ukraine 3 224 9.2 %
Austria 2 538 25.3 %
Switzerland 2 339 14.4 %
Italy 2 074 6.6 %
Other 20 394 11.2 %

Czech regions

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

Region Domains
Hlavní město Praha 433 598 433598
Jihomoravský 175 068 175068
Středočeský 150 039 150039
Moravskoslezský 104 856 104856
Zlínský 67 836 67836
Jihočeský 58 621 58621
Ústecký 53 870 53870
Královéhradecký 53 466 53466
Pardubický 52 772 52772
Olomoucký 49 085 49085
Plzeňský 48 991 48991
Vysočina 40 252 40252
Liberecký 40 213 40213
Unknown 40 154 40154
Karlovarský 17 009 17009

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 340 186 80 4
INTERNET-CZ 331 765 61 8
ACTIVE24 192 311 85 32
WEBGLOBE 144 444 65 16
GRANSY 139 618 33 12
other 129 659 27 10
ZONER 64 631 80 5
MEDIA4WEB 51 406 77 5
WEB4U 43 031 77 28
THINLINE 39 732 93 33
WEBSUPPORT 22 691 66 47
TELE3 18 129 56 12

Domain operations

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