CAA means Certification Authority Authorization. Such a record is a DNS Resource Record that allows the owner of a domain name to define which Certification Authorities (CAs) can issue a certificate for the domain. Use CAA records to limit the abuse and stop the issuing of fake certificates for your domain. Learn more about the CAA record!
MX record is one of the common DNS records that is essential to know. Each action that you want to perform and is related to domains also requires DNS records for guidance. So let’s explain what the purpose of the DNS MX record is and why it is important.