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Daily transfers

Chord diagram of domain transfers between registrars on December 31, 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 December 2, 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 December 31, 2025 and their evolution during the preceding 30 days

Country Domains Parked Trend
Czechia 1 384 944 13.9 %
Slovakia 29 922 40 %
USA 25 094 5.8 %
Germany 15 244 16.7 %
Poland 8 032 8 %
UK 6 450 8.1 %
France 4 725 10.8 %
Netherlands 4 078 13.5 %
China 3 732 2.5 %
Ukraine 3 332 7.3 %
Bulgaria 3 241 1.9 %
Austria 2 590 24.9 %
Switzerland 2 346 12 %
Italy 2 120 5.8 %
Other 19 850 12.1 %

Czech regions

Domains by holder’s region of residence in Czechia – current numbers for December 31, 2025

Region Domains
Hlavní město Praha 433 142 433142
Jihomoravský 174 862 174862
Středočeský 149 896 149896
Moravskoslezský 104 816 104816
Zlínský 67 819 67819
Jihočeský 58 768 58768
Ústecký 53 879 53879
Královéhradecký 53 465 53465
Pardubický 52 736 52736
Olomoucký 49 128 49128
Plzeňský 49 004 49004
Vysočina 40 248 40248
Liberecký 40 196 40196
Unknown 40 000 40000
Karlovarský 16 985 16985

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 340 553 80 5
INTERNET-CZ 326 623 62 8
ACTIVE24 192 032 81 32
WEBGLOBE 144 135 71 16
GRANSY 138 264 33 12
other 129 827 28 10
ZONER 64 486 80 5
MEDIA4WEB 56 233 79 5
WEB4U 42 962 77 28
THINLINE 39 833 93 33
WEBSUPPORT 22 708 69 47
TELE3 18 015 56 12

Domain operations

Registry operations related to domains in the time period before January 1, 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 January 1, 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 January 1, 2026
rdap
RDAP protocol (successor to Whois)
unix
traditional Whois command-line interface
web
web interface