Row

Daily transfers

Chord diagram of domain transfers between registrars on June 4, 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 6, 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 4, 2026 and their evolution during the preceding 30 days

Country Domains Parked Trend
Czechia 1 409 954 13 %
Slovakia 30 884 39.7 %
USA 23 994 6.2 %
China 16 903 5.3 %
Germany 15 806 15.9 %
Poland 8 867 8.1 %
UK 6 689 7 %
Ukraine 5 246 4.3 %
France 4 716 10.5 %
Netherlands 4 242 13.4 %
Bulgaria 3 316 2.2 %
Austria 2 877 24.6 %
Italy 2 788 5.8 %
Switzerland 2 433 15.3 %
Other 24 136 12.2 %

Czech regions

Domains by holder’s region of residence in Czechia – current numbers for June 4, 2026

Region Domains
Hlavní město Praha 441 211 441211
Jihomoravský 178 084 178084
Středočeský 152 429 152429
Moravskoslezský 106 727 106727
Zlínský 68 656 68656
Jihočeský 60 910 60910
Ústecký 54 925 54925
Pardubický 54 624 54624
Královéhradecký 53 120 53120
Olomoucký 50 450 50450
Plzeňský 50 142 50142
Vysočina 41 004 41004
Liberecký 40 803 40803
Unknown 39 477 39477
Karlovarský 17 392 17392

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 355 920 77 4
INTERNET-CZ 331 526 62 7
ACTIVE24 192 610 85 33
GRANSY 151 769 31 7
WEBGLOBE 151 261 73 16
other 132 122 34 10
ZONER 63 896 80 5
MEDIA4WEB 51 008 77 5
WEB4U 42 681 77 28
THINLINE 42 326 93 27
WEBSUPPORT 24 294 88 47
KEYSYSTEMS 22 823 4 13

Domain operations

Registry operations related to domains in the time period before June 5, 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 5, 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 5, 2026
rdap
RDAP protocol (successor to Whois)
unix
traditional Whois command-line interface
web
web interface