Let’s see one not-so-popular DNS record called the CAA record. It might not be one of the first that comes to your mind when you think about DNS, but it is worth checking out.
What is the CAA record?
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.
How to start managing CAA records for your domain name?