To find and display registry data enter a domain name as name.cz (without www) or handle of contact or name server set.

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Registered CZ domains: 1,485,600
Secured by DNSSEC: 850,372

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2024-12-09 12:00

Information - system will be out of operation

CZ.NIC announces that the system of domain-name registration under the .cz domain will be out of operation from December 11, 2024 at 00:01 AM to 01:00 AM

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11 Sep 2024, 14:14

Layered protocols, or the big I/O rewrite of Knot Resolver 6

One of the bigger changes made in Knot Resolver 6 is the almost complete rewrite of its I/O (input/output) system and management of communication sessions. To understand why this rewrite was needed, let us first take a brief look at […] more »