Row

Daily transfers

Chord diagram of domain transfers between registrars on June 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 May 28, 2026

Row

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

Country Domains Parked Trend
Czechia 1 413 318 12.8 %
Slovakia 31 089 40 %
USA 24 568 6.3 %
China 17 104 4.7 %
Germany 15 869 15.3 %
Poland 8 970 8 %
UK 6 710 6.9 %
Ukraine 5 546 3.5 %
France 4 711 10.4 %
Netherlands 4 263 13.9 %
Bulgaria 3 333 2.1 %
Italy 2 888 5.8 %
Austria 2 886 23.8 %
Switzerland 2 463 15.5 %
Other 25 311 11.6 %

Czech regions

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

Region Domains
Hlavní město Praha 442 731 442731
Jihomoravský 178 341 178341
Středočeský 152 745 152745
Moravskoslezský 106 960 106960
Zlínský 68 811 68811
Jihočeský 61 113 61113
Ústecký 54 993 54993
Pardubický 54 765 54765
Královéhradecký 53 227 53227
Olomoucký 50 505 50505
Plzeňský 50 349 50349
Vysočina 41 094 41094
Liberecký 40 902 40902
Unknown 39 354 39354
Karlovarský 17 428 17428

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 357 296 77 4
INTERNET-CZ 332 235 62 7
ACTIVE24 192 467 86 33
GRANSY 154 266 30 8
WEBGLOBE 151 066 73 16
other 132 711 34 10
ZONER 63 864 80 5
MEDIA4WEB 50 869 77 5
WEB4U 42 690 77 28
THINLINE 42 648 92 23
WEBSUPPORT 24 579 88 47
KEYSYSTEMS 23 642 4 13

Domain operations

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