A domain name is an identification string that defines a realm of administrative autonomy, authority, or control on the Internet. Domain names are formed by the rules and procedures of the Domain Name System (DNS). Technically, any name registered in the DNS is a domain name.
Does DANE offer the ability to provide certificates for services? Or is it just hosts? How does one specify a mail server with DANE? If my email is email@example.com but mail.bar.com is the email server, ...