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Daily transfers

Chord diagram of domain transfers between registrars on May 16, 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 April 17, 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 May 16, 2025 and their evolution during the preceding 30 days

Country Domains Parked Trend
Czechia 1 366 221 17.4 %
Slovakia 29 096 40.9 %
USA 26 760 4.4 %
Germany 15 027 16.4 %
Poland 7 612 8.2 %
UK 6 202 9.9 %
China 5 422 1.4 %
France 4 884 10.5 %
Netherlands 4 093 12.8 %
Bulgaria 3 599 2.9 %
Austria 2 512 25.8 %
Switzerland 2 427 16.9 %
Ukraine 2 244 10.1 %
Denmark 2 187 4.9 %
Other 21 826 10.6 %

Czech regions

Domains by holder’s region of residence in Czechia – current numbers for May 16, 2025

Region Domains
Hlavní město Praha 427 389 427389
Jihomoravský 172 444 172444
Středočeský 147 965 147965
Moravskoslezský 103 417 103417
Zlínský 66 612 66612
Jihočeský 57 363 57363
Ústecký 53 305 53305
Královéhradecký 52 469 52469
Pardubický 51 889 51889
Olomoucký 48 125 48125
Plzeňský 48 021 48021
Unknown 40 880 40880
Vysočina 39 906 39906
Liberecký 39 687 39687
Karlovarský 16 749 16749

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 327 619 81 14
INTERNET-CZ 325 542 60 9
ACTIVE24 191 002 77 32
WEBGLOBE 150 803 66 15
GRANSY 134 921 34 13
other 129 927 36 12
ZONER 64 289 79 28
MEDIA4WEB 51 484 76 5
WEB4U 43 621 77 28
THINLINE 37 253 92 33
1API 22 166 0 3
WEBSUPPORT 20 922 20 47

Domain operations

Registry operations related to domains in the time period before May 17, 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 May 17, 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 May 17, 2025
rdap
RDAP protocol (successor to Whois)
unix
traditional Whois command-line interface
web
web interface