When adding DMARC and DKIM do I only need to add it to the domain that is hosting the mail server (MX)?
For example, if mail.example.com is defined as the MX for example.com and example.net, do I need to add the DMARC/DKIM records to example.net’s DNS as well? -- Death was familiar with the concept of the eternal, ever-renewed hero, the champion with a thousand faces. He'd refrained from commenting.
