CNAME vs A record, they are not serving the same purpose! Pay attention and know when to use them. The first will directly show which is the true domain name. It will point to there, and you don’t have to put more DNS records inside that zone. The other will indicate the address of a domain name.
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.
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.
Are you ready to learn all about one simple and a great tool for network diagnostic? Here comes the Dig command! Small, fast, and useful. It can become your go-to DNS utility tool from now on.