DNSSEC Validator is a free add-on for the Chrome web browser developed by CZ.NIC Labs. It allows users to easily check the existence and validity of DNSSEC DNS records for domain names displayed in their browser window.

This add-on provides a convenient way to verify the security of websites by displaying the DNSSEC status using color keys and information texts in the address bar. By simply visiting a website, users can instantly determine if it is protected by DNSSEC, ensuring that the website's DNS records have not been tampered with.

It is important to note that this add-on requires an external binary application to function properly. The binary application can be downloaded from the official website and it is crucial that the version of the binary matches the version of the extension for seamless integration.

With DNSSEC Validator, users can easily assess the security of websites and make informed decisions about their online activities. This add-on is a valuable tool for anyone concerned about their online privacy and security.