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Daily transfers

Chord diagram of domain transfers between registrars on November 5, 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 7, 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 5, 2025 and their evolution during the preceding 30 days

Country Domains Parked Trend
Czechia 1 381 687 13.9 %
Slovakia 29 696 39.8 %
USA 25 083 5.1 %
Germany 15 248 16.5 %
Poland 7 878 7.7 %
UK 6 421 8.4 %
China 4 889 1.1 %
France 4 763 10.9 %
Netherlands 4 086 13.1 %
Bulgaria 3 336 2.3 %
Ukraine 3 011 8.3 %
Austria 2 517 25.3 %
Switzerland 2 336 15 %
Italy 2 045 6.2 %
Other 20 940 11 %

Czech regions

Domains by holder’s region of residence in Czechia – current numbers for November 5, 2025

Region Domains
Hlavní město Praha 432 469 432469
Jihomoravský 174 558 174558
Středočeský 149 373 149373
Moravskoslezský 104 461 104461
Zlínský 67 633 67633
Jihočeský 58 191 58191
Ústecký 53 628 53628
Královéhradecký 53 358 53358
Pardubický 52 601 52601
Olomoucký 48 890 48890
Plzeňský 48 874 48874
Unknown 40 311 40311
Liberecký 40 200 40200
Vysočina 40 191 40191
Karlovarský 16 949 16949

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 337 758 80 4
INTERNET-CZ 330 650 60 9
ACTIVE24 191 940 86 32
WEBGLOBE 151 628 64 15
GRANSY 132 580 34 12
other 129 266 27 11
ZONER 64 726 80 5
MEDIA4WEB 51 489 76 6
WEB4U 43 201 77 28
THINLINE 39 238 93 33
WEBSUPPORT 22 401 58 47
TELE3 18 391 57 12

Domain operations

Registry operations related to domains in the time period before November 6, 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 6, 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 6, 2025
rdap
RDAP protocol (successor to Whois)
unix
traditional Whois command-line interface
web
web interface