MSP custom domains for CNAME entries

We would like to use our domain for the various DNS entries using your platform. I assume this would leverage a CNAME to refer over to your managed entries. For instance for the SPF record: Instead of: v=spf1 include:iqqwuu5tdb.powerspf.com ~all Something like: v=spf1 include:iqqwuu5tdb.mspcustomdomain.io ~all