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Daily transfers

Chord diagram of domain transfers between registrars on December 12, 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 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 December 12, 2025 and their evolution during the preceding 30 days

Country Domains Parked Trend
Czechia 1 386 059 13.7 %
Slovakia 29 923 40 %
USA 25 059 5.1 %
Germany 15 266 16.5 %
Poland 7 992 7.8 %
UK 6 447 8.2 %
France 4 751 10.8 %
China 4 542 0.8 %
Netherlands 4 080 13.4 %
Bulgaria 3 323 3.3 %
Ukraine 3 224 9.2 %
Austria 2 538 25.3 %
Switzerland 2 339 14.4 %
Italy 2 077 6.6 %
Other 20 484 11.2 %

Czech regions

Domains by holder’s region of residence in Czechia – current numbers for December 12, 2025

Region Domains
Hlavní město Praha 433 697 433697
Jihomoravský 175 098 175098
Středočeský 150 063 150063
Moravskoslezský 104 862 104862
Zlínský 67 852 67852
Jihočeský 58 609 58609
Ústecký 53 855 53855
Královéhradecký 53 465 53465
Pardubický 52 781 52781
Olomoucký 49 098 49098
Plzeňský 48 999 48999
Vysočina 40 272 40272
Liberecký 40 222 40222
Unknown 40 171 40171
Karlovarský 17 015 17015

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 340 105 80 4
INTERNET-CZ 331 809 61 8
ACTIVE24 192 320 84 32
WEBGLOBE 144 497 65 16
GRANSY 139 911 33 11
other 129 711 27 10
ZONER 64 647 80 5
MEDIA4WEB 51 441 77 5
WEB4U 43 049 77 28
THINLINE 39 732 93 33
WEBSUPPORT 22 711 65 47
TELE3 18 138 56 12

Domain operations

Registry operations related to domains in the time period before December 13, 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 13, 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 13, 2025
rdap
RDAP protocol (successor to Whois)
unix
traditional Whois command-line interface
web
web interface