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Daily transfers

Chord diagram of domain transfers between registrars on January 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 December 19, 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 January 17, 2026 and their evolution during the preceding 30 days

Country Domains Parked Trend
Czechia 1 386 962 13.9 %
Slovakia 30 005 40 %
USA 24 111 5.8 %
Germany 15 504 16.7 %
China 8 359 2.5 %
Poland 8 089 8 %
UK 6 455 8.1 %
France 4 755 10.8 %
Netherlands 4 074 13.5 %
Ukraine 3 486 7.3 %
Bulgaria 3 176 1.9 %
Austria 2 777 24.9 %
Italy 2 408 5.8 %
Switzerland 2 353 12 %
Other 20 404 12.1 %

Czech regions

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

Region Domains
Hlavní město Praha 433 616 433616
Jihomoravský 175 136 175136
Středočeský 150 151 150151
Moravskoslezský 104 974 104974
Zlínský 67 940 67940
Jihočeský 59 040 59040
Ústecký 53 954 53954
Královéhradecký 53 485 53485
Pardubický 52 759 52759
Olomoucký 49 249 49249
Plzeňský 49 176 49176
Vysočina 40 311 40311
Liberecký 40 250 40250
Unknown 39 915 39915
Karlovarský 17 006 17006

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 346 489 79 5
INTERNET-CZ 331 897 61 8
ACTIVE24 192 082 81 32
WEBGLOBE 143 955 76 16
GRANSY 138 523 33 12
other 129 106 35 11
ZONER 64 609 80 5
MEDIA4WEB 51 400 77 6
WEB4U 42 919 77 28
THINLINE 40 167 93 33
WEBSUPPORT 22 861 74 47
KEYSYSTEMS 18 890 5 9

Domain operations

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