DNSSEC can be spotted as an application to, in other cases, insecure DNS. It brings cryptography within and a complete line of trust. That is a guarantee for each level and implements top-notch security for your domain.
The short DNSSEC is an acronym for Domain Name System Security Extensions. The primary DNS is reliable and fast, but its downside is that it lacks security. Back in the days when it was created, it wasn’t that of a problem. Later on, things change.