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Daily transfers

Chord diagram of domain transfers between registrars on November 29, 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 October 31, 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 29, 2025 and their evolution during the preceding 30 days

Country Domains Parked Trend
Czechia 1 384 868 13.7 %
Slovakia 29 853 40 %
USA 25 031 5.1 %
Germany 15 276 16.5 %
Poland 7 967 7.8 %
UK 6 429 8.2 %
China 4 869 0.8 %
France 4 742 10.8 %
Netherlands 4 066 13.4 %
Bulgaria 3 321 3.3 %
Ukraine 3 129 9.2 %
Austria 2 528 25.3 %
Switzerland 2 340 14.4 %
Italy 2 064 6.6 %
Other 20 885 11.2 %

Czech regions

Domains by holder’s region of residence in Czechia – current numbers for November 29, 2025

Region Domains
Hlavní město Praha 433 353 433353
Jihomoravský 174 924 174924
Středočeský 149 845 149845
Moravskoslezský 104 666 104666
Zlínský 67 789 67789
Jihočeský 58 487 58487
Ústecký 53 937 53937
Královéhradecký 53 427 53427
Pardubický 52 739 52739
Olomoucký 49 049 49049
Plzeňský 48 943 48943
Vysočina 40 267 40267
Unknown 40 229 40229
Liberecký 40 215 40215
Karlovarský 16 998 16998

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 339 456 80 4
INTERNET-CZ 331 524 60 8
ACTIVE24 192 180 85 32
WEBGLOBE 152 092 63 16
GRANSY 132 615 33 12
other 129 919 27 10
ZONER 64 685 80 5
MEDIA4WEB 51 474 76 5
WEB4U 43 107 77 28
THINLINE 39 506 93 33
WEBSUPPORT 22 586 63 47
TELE3 18 191 56 12

Domain operations

Registry operations related to domains in the time period before November 30, 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 November 30, 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 November 30, 2025
rdap
RDAP protocol (successor to Whois)
unix
traditional Whois command-line interface
web
web interface