DMARC Generator Check if your domain has a DMARC record. BIMI Generator Check if your domain has a BIMI record. SPF Generator Check if your domain has a SPF record. DKIM Generator Check if your domain has a DKIM record. TLS-RPT Generator Check if your domain has a TLS-RPT record. MTA-STS Generator Check if your domain has a MMTA-STS record.