At some point in your WordPress journey, you might have to configure DNS records for your domain, and it can be one of the most complicated aspects of managing any website. If something goes wrong with DNS and you don’t know what it is or how to handle it, you may end up struggling for hours and hours. After 10 years building sites and adopting a plugin that deals with domain mapping, I’ve learned a thing or two about DNS that will hopefully save others a great deal of time.