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Daily transfers

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

Country Domains Parked Trend
Czechia 1 378 938 13.9 %
Slovakia 29 506 39.8 %
USA 24 931 4.9 %
Germany 15 249 16.6 %
Poland 7 796 7.2 %
UK 6 405 8.4 %
China 4 900 1 %
France 4 757 11 %
Netherlands 4 089 12.6 %
Bulgaria 3 318 1.9 %
Ukraine 2 831 9.3 %
Austria 2 509 25.2 %
Switzerland 2 332 14.9 %
Italy 2 080 5.9 %
Other 21 060 11 %

Czech regions

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

Region Domains
Hlavní město Praha 431 503 431503
Jihomoravský 174 450 174450
Středočeský 149 039 149039
Moravskoslezský 104 218 104218
Zlínský 67 439 67439
Jihočeský 58 047 58047
Ústecký 53 511 53511
Královéhradecký 53 242 53242
Pardubický 52 455 52455
Olomoucký 48 761 48761
Plzeňský 48 680 48680
Unknown 40 473 40473
Liberecký 40 114 40114
Vysočina 40 097 40097
Karlovarský 16 909 16909

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 336 730 80 4
INTERNET-CZ 329 698 60 9
ACTIVE24 191 807 85 32
WEBGLOBE 151 082 64 15
GRANSY 132 820 34 12
other 129 060 36 12
ZONER 64 632 79 5
MEDIA4WEB 51 463 76 5
WEB4U 43 212 77 28
THINLINE 38 966 93 33
WEBSUPPORT 22 153 53 47
1API 18 489 0 4

Domain operations

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