CAA record

A DNS record (glossary)DNS record One entry in a DNS zone, made of a name, a type, a TTL and data. Full definition of DNS record in which a domain owner names the certificate authorities that are allowed to issue TLS (glossary)TLS Transport Layer Security The standard that encrypts connections between a browser or app and a server. Full definition of TLS certificates for the domain. Certificate authorities must check it before issuing. It lowers the risk that someone obtains a certificate for a domain they do not control.