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Daily transfers

Chord diagram of domain transfers between registrars on March 30, 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 March 1, 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 March 30, 2025 and their evolution during the preceding 30 days

Country Domains Parked Trend
Czechia 1 365 092 17.4 %
Slovakia 28 986 40.8 %
USA 27 026 4.8 %
Germany 15 250 16.2 %
Poland 7 689 8.1 %
UK 6 195 9.9 %
China 5 384 3.3 %
France 5 084 9.2 %
Netherlands 4 113 12.9 %
Bulgaria 3 525 3.1 %
Austria 2 507 25.4 %
Switzerland 2 462 16.6 %
Denmark 2 187 5 %
Ukraine 2 161 12.3 %
Other 21 565 10.7 %

Czech regions

Domains by holder’s region of residence in Czechia – current numbers for March 30, 2025

Region Domains
Hlavní město Praha 427 365 427365
Jihomoravský 171 994 171994
Středočeský 147 916 147916
Moravskoslezský 103 366 103366
Zlínský 66 454 66454
Jihočeský 57 399 57399
Ústecký 53 319 53319
Královéhradecký 52 244 52244
Pardubický 51 879 51879
Olomoucký 48 171 48171
Plzeňský 47 894 47894
Unknown 41 158 41158
Vysočina 39 742 39742
Liberecký 39 532 39532
Karlovarský 16 659 16659

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 (%)
INTERNET-CZ 324 797 60 9
WEDOS 323 986 81 14
ACTIVE24 191 160 75 32
WEBGLOBE 150 833 67 15
GRANSY 138 076 34 13
other 129 998 36 12
ZONER 64 420 79 29
MEDIA4WEB 51 557 75 5
WEB4U 43 992 77 28
THINLINE 36 884 9 33
1API 22 399 0 4
WEBSUPPORT 20 581 8 47

Domain operations

Registry operations related to domains in the time period before March 31, 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 March 31, 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 March 31, 2025
rdap
RDAP protocol (successor to Whois)
unix
traditional Whois command-line interface
web
web interface