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Daily transfers

Chord diagram of domain transfers between registrars on June 17, 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 19, 2026

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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 June 17, 2026 and their evolution during the preceding 30 days

Country Domains Parked Trend
Czechia 1 413 025 13 %
Slovakia 31 059 39.7 %
USA 24 346 6.2 %
China 17 017 5.3 %
Germany 15 882 15.9 %
Poland 8 933 8.1 %
UK 6 706 7 %
Ukraine 5 405 4.3 %
France 4 717 10.5 %
Netherlands 4 256 13.4 %
Bulgaria 3 327 2.2 %
Austria 2 885 24.6 %
Italy 2 806 5.8 %
Switzerland 2 440 15.3 %
Other 24 761 12.2 %

Czech regions

Domains by holder’s region of residence in Czechia – current numbers for June 17, 2026

Region Domains
Hlavní město Praha 442 810 442810
Jihomoravský 178 246 178246
Středočeský 152 682 152682
Moravskoslezský 106 951 106951
Zlínský 68 798 68798
Jihočeský 61 066 61066
Ústecký 54 967 54967
Pardubický 54 695 54695
Královéhradecký 53 229 53229
Olomoucký 50 468 50468
Plzeňský 50 308 50308
Vysočina 41 108 41108
Liberecký 40 894 40894
Unknown 39 383 39383
Karlovarský 17 420 17420

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 357 194 77 4
INTERNET-CZ 332 042 62 7
ACTIVE24 192 648 86 33
GRANSY 153 425 30 7
WEBGLOBE 151 244 73 16
other 132 571 34 10
ZONER 63 878 80 5
MEDIA4WEB 50 916 77 5
WEB4U 42 716 77 28
THINLINE 42 519 92 27
WEBSUPPORT 24 524 88 46
KEYSYSTEMS 23 245 4 12

Domain operations

Registry operations related to domains in the time period before June 18, 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 18, 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 18, 2026
rdap
RDAP protocol (successor to Whois)
unix
traditional Whois command-line interface
web
web interface