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Daily transfers

Chord diagram of domain transfers between registrars on May 14, 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 15, 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 14, 2025 and their evolution during the preceding 30 days

Country Domains Parked Trend
Czechia 1 365 947 17.4 %
Slovakia 29 075 40.9 %
USA 26 760 4.4 %
Germany 15 043 16.4 %
Poland 7 610 8.2 %
UK 6 200 9.9 %
China 5 409 1.4 %
France 4 894 10.5 %
Netherlands 4 095 12.8 %
Bulgaria 3 591 2.9 %
Austria 2 510 25.8 %
Switzerland 2 428 16.9 %
Ukraine 2 241 10.1 %
Denmark 2 185 4.9 %
Other 21 812 10.6 %

Czech regions

Domains by holder’s region of residence in Czechia – current numbers for May 14, 2025

Region Domains
Hlavní město Praha 427 333 427333
Jihomoravský 172 421 172421
Středočeský 147 957 147957
Moravskoslezský 103 393 103393
Zlínský 66 597 66597
Jihočeský 57 362 57362
Ústecký 53 299 53299
Královéhradecký 52 381 52381
Pardubický 51 898 51898
Olomoucký 48 122 48122
Plzeňský 47 992 47992
Unknown 40 892 40892
Vysočina 39 871 39871
Liberecký 39 684 39684
Karlovarský 16 745 16745

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 327 484 81 14
INTERNET-CZ 325 414 60 9
ACTIVE24 191 005 77 32
WEBGLOBE 150 744 66 15
GRANSY 134 974 34 13
other 129 909 36 12
ZONER 64 297 79 28
MEDIA4WEB 51 485 76 5
WEB4U 43 619 77 28
THINLINE 37 237 92 33
1API 22 165 0 3
WEBSUPPORT 20 900 19 47

Domain operations

Registry operations related to domains in the time period before May 15, 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 15, 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 15, 2025
rdap
RDAP protocol (successor to Whois)
unix
traditional Whois command-line interface
web
web interface