CAA stand for Certificate Authority Authorization is a standard that is designed to basically protect websites and help in preventing unauthorized SSL certificate.It is normally done by linking the particular SSL certificate with particular website using a particular domain. As CAA specify which CAs are genuine and are allowed to issue certificate for a domain, it helps in preventing or minimizing chances of hacking or misusing SSL certificate.
How To Create CAA Record
In order to create a CAA record, DNS (Domain Name System) provider has to be contacted. List of CAs that you prefer should be provided so that unauthorized CAs can not issue SSL Certificates to your domain. If you did not provide with your preferred list of CAs, it automatically gives right to every single CA to issue SSL certificate to your domain, which can results in misuse of your domain by any other party.
Need For CAA
We particularly require CAA. As we probably am aware CAA records are utilized to check the realness of CAs i.e. which CA is approved to issue SSL Certificate and in addition it gives massive measure of security from hackers. It likewise offers rights to the domain proprietor to bar specific CA. CA can't issue any Comodo SSL Certificate without validation. At the end of the day, we can state that CAA can cut down the risk of issuing the SSL Certificates by unapproved Certificate Authorities (CAs).
For any domain, CA can issue certificate and with increment in HTTPS, there is an expansion in SSL certificates . To put a control over this, a powerful approach was required. An approach that couldn't just reduction the hazard however put a stop on miss-issuance of SSL certificates. CAA is intended to stop unapproved issuance of SSL certificates.