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Daily transfers

Chord diagram of domain transfers between registrars on April 26, 2026
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 March 28, 2026

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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 April 26, 2026 and their evolution during the preceding 30 days

Country Domains Parked Trend
Czechia 1 405 469 13.5 %
Slovakia 30 723 40.1 %
USA 23 471 6.5 %
Germany 15 743 15.8 %
China 15 289 4.7 %
Poland 8 580 8 %
UK 6 563 7.4 %
France 4 743 10.4 %
Ukraine 4 488 7.7 %
Netherlands 4 204 13.8 %
Bulgaria 3 248 2.1 %
Italy 2 852 9.9 %
Austria 2 839 22.8 %
Switzerland 2 392 15.1 %
Other 22 736 12.5 %

Czech regions

Domains by holder’s region of residence in Czechia – current numbers for April 26, 2026

Region Domains
Hlavní město Praha 439 725 439725
Jihomoravský 177 536 177536
Středočeský 151 929 151929
Moravskoslezský 106 439 106439
Zlínský 68 433 68433
Jihočeský 60 537 60537
Ústecký 54 768 54768
Pardubický 54 388 54388
Královéhradecký 52 954 52954
Olomoucký 50 123 50123
Plzeňský 50 034 50034
Vysočina 40 893 40893
Liberecký 40 700 40700
Unknown 39 675 39675
Karlovarský 17 335 17335

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 354 417 78 4
INTERNET-CZ 330 158 62 7
ACTIVE24 192 746 85 33
WEBGLOBE 151 345 73 16
GRANSY 148 004 31 11
other 130 489 34 11
ZONER 63 753 80 5
MEDIA4WEB 51 305 77 5
WEB4U 42 730 77 28
THINLINE 41 873 93 30
WEBSUPPORT 24 001 87 47
KEYSYSTEMS 21 873 5 14

Domain operations

Registry operations related to domains in the time period before April 27, 2026
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 April 27, 2026
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 April 27, 2026
rdap
RDAP protocol (successor to Whois)
unix
traditional Whois command-line interface
web
web interface