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Daily transfers

Chord diagram of domain transfers between registrars on September 22, 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 August 24, 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 September 22, 2025 and their evolution during the preceding 30 days

Country Domains Parked Trend
Czechia 1 376 007 14.8 %
Slovakia 29 328 40.2 %
USA 24 668 4.7 %
Germany 15 191 16.7 %
Poland 7 745 7.5 %
UK 6 409 8.3 %
China 4 911 1 %
France 4 766 10.8 %
Netherlands 4 112 12.6 %
Bulgaria 3 348 2.4 %
Ukraine 2 713 9 %
Austria 2 506 25.4 %
Switzerland 2 334 15.7 %
Italy 2 071 5 %
Other 20 937 10.9 %

Czech regions

Domains by holder’s region of residence in Czechia – current numbers for September 22, 2025

Region Domains
Hlavní město Praha 430 622 430622
Jihomoravský 174 067 174067
Středočeský 148 678 148678
Moravskoslezský 103 941 103941
Zlínský 67 300 67300
Jihočeský 57 943 57943
Ústecký 53 465 53465
Královéhradecký 53 094 53094
Pardubický 52 304 52304
Olomoucký 48 649 48649
Plzeňský 48 481 48481
Unknown 40 521 40521
Liberecký 40 070 40070
Vysočina 39 997 39997
Karlovarský 16 875 16875

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 335 195 81 4
INTERNET-CZ 328 745 60 8
ACTIVE24 191 751 86 32
WEBGLOBE 150 722 64 15
GRANSY 132 937 34 12
other 128 677 35 12
ZONER 64 471 79 28
MEDIA4WEB 51 462 76 5
WEB4U 43 266 77 28
THINLINE 38 640 93 33
WEBSUPPORT 21 940 48 46
1API 18 657 0 4

Domain operations

Registry operations related to domains in the time period before September 23, 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 September 23, 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 September 23, 2025
rdap
RDAP protocol (successor to Whois)
unix
traditional Whois command-line interface
web
web interface