Hello everyone.
It's not clear to me how to add the SPF record to the respective domains in CRM Dynamic 365.
I reviewed the public information at docs.microsoft.com/.../create-spf-record, but I don't know how to access it from CRM.
The CRM's portal shows the domains and CNAMEs configured, for example:

I don't know if this is the way, but if I check eur.pb-dynmktge.com via SPF it shows the following:

To improve the delivery capacity of the emails, do I have to provide that information?.
And I apologise for my ignorance.
Regards!.