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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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Statistics

Registered CZ domains: 1,500,774
Secured by DNSSEC: 957,058

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IPv6 protocol
FENIX network

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News

2025-04-01 06:30

New Member of the CZ.NIC Association

The company IoT Way s. r. o. is a new members of the CZ.NIC association (chamber of Domain Name Holders) as of April 1. The association has actually 115 members.

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Blog

2 Apr 2025, 13:29

On the Drawbacks, Weaknesses and Appropriate Uses of NSEC3

Let’s start with a brief reminder of non-existence proofs in DNSSEC. If you have a solid understanding of the topic, feel free to skip this introduction. The standard DNSSEC solution to proving a record’s non-existence is the NSEC RR. It […] more »