Many WordPress site admins only deal with DNS once every blue moon. Mainly when buying a new domain, setting up a new website, and migrating to a new web host.
However, since DNS is the core of the internet, and a small mistake in the DNS records can result in visitors not being able to access your website or sending you emails, it is important to have a basic understanding of how it works.
The good news is that DNS is very easy to understand and manage. This article explains all WordPress site owners and administrators need to know about DNS and DNS records.