Set up CAA

Having a CAA record in your DNS for Comodo, Let’s Encrypt won’t overwrite with a Let’s Encrypt certificate. Speaking in general terms, CAA secures for a correct certificate authority.

Let’s Encrypt:
CAA     128 iodef “”
CAA     128 issue “”

CAA     128 iodef “”
CAA     128 issuewild “”

DirectAdmin as name server:
Configure in directadmin.conf with dns_caa=1.