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Daily transfers

Chord diagram of domain transfers between registrars on September 19, 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 21, 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 19, 2025 and their evolution during the preceding 30 days

Country Domains Parked Trend
Czechia 1 375 924 14.8 %
Slovakia 29 296 40.2 %
USA 24 650 4.7 %
Germany 15 195 16.7 %
Poland 7 741 7.5 %
UK 6 413 8.3 %
China 4 918 1 %
France 4 761 10.8 %
Netherlands 4 114 12.6 %
Bulgaria 3 367 2.4 %
Ukraine 2 706 9 %
Austria 2 508 25.4 %
Switzerland 2 336 15.7 %
Italy 2 071 5 %
Other 20 980 10.9 %

Czech regions

Domains by holder’s region of residence in Czechia – current numbers for September 19, 2025

Region Domains
Hlavní město Praha 430 602 430602
Jihomoravský 174 084 174084
Středočeský 148 676 148676
Moravskoslezský 103 924 103924
Zlínský 67 299 67299
Jihočeský 57 944 57944
Ústecký 53 456 53456
Královéhradecký 53 083 53083
Pardubický 52 292 52292
Olomoucký 48 637 48637
Plzeňský 48 476 48476
Unknown 40 505 40505
Liberecký 40 064 40064
Vysočina 40 009 40009
Karlovarský 16 873 16873

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 335 110 81 4
INTERNET-CZ 328 664 60 8
ACTIVE24 191 741 86 32
WEBGLOBE 150 689 64 15
GRANSY 133 010 34 12
other 128 678 36 12
ZONER 64 484 79 28
MEDIA4WEB 51 478 76 5
WEB4U 43 277 77 28
THINLINE 38 623 93 33
WEBSUPPORT 21 941 47 46
1API 18 701 0 3

Domain operations

Registry operations related to domains in the time period before September 20, 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 20, 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 20, 2025
rdap
RDAP protocol (successor to Whois)
unix
traditional Whois command-line interface
web
web interface