You can check valid spf/dkim records in Cpanel -> Email Deliverability -> Manage . SPF/DKIM records must be added as TXT in Anycast Dns :
* Copy from "cpanel -> email deliverability -> manage -> Current “SPF” (TXT) Record -> Value
* Copy from "cpanel -> email deliverability -> manage -> urrent “DKIM” (TXT) Record -> Value
Example of DMARC record: Name: _dmarc.yourdomain.com Content: v=DMARC1; p=none;