There are plenty of types of DNS records. More than 50 types of DNS records (for example CNAME, ALIAS, AAAA, etc.) are still in use, and at least the same number is already absolute. You don’t need all of them all the time. Let’s talk about the essentials. The top 6 DNS record types that you can’t manage your DNS without.
We can’t skip the A DNS record from any DNS list. It is probably the best-known record type. The purpose of the A record is to direct, to point a hostname to its IP address. When we talk about A record, the address is IPv4 (32-bit). There is a newer AAAA record type that uses IPv6 addresses (128-bit).