What does the DNS CAA record mean?

The DNS CAA record helps domain name owners to take control over SSL certificates. So, you can determine which CA is authorized to issue them and also what kind of type of certificate. 

The DNS CAA record was first defined in 2013. From September 2017, Certificate Authorities are obliged to check it before issuing any certificate. So, let’s explain a little bit more about the DNS CAA record.