Currently, Hudu does not perform SPF or DMARC monitoring for subdomains, it only pulls from the domain. We’d like to request support for subdomain-level monitoring.

Ideally, Hudu should:

Check the subdomain directly for SPF, DMARC, DKIM, and TXT records.

For DMARC, if no subdomain record exists, fallback to the base/root domain’s DMARC record.