Starting learning about DNS, you will have many challenges. It is hard to understand the matter. The best way to understand it is in bite-size chunks. This is why we want to show you the first and most commonly used DNS record types. They are easy to understand, and you will probably start using all of them from day 1. So A, AAAA, CNAME, NS, SOA, MX, PTR, and TXT records are a must.