Email Security

SPF, DKIM, DMARC, BIMI and email authentication analysis
Score
50/100
SPF
Missing
DKIM
Key present
DMARC
REJECT
Findings
9

DKIM

Selectors Found: 2
Key valid selector1 (Microsoft 365) 1024-bit (weak)
Key valid selector2 (Microsoft 365) 2048-bit

DKIM signs outgoing mail with a private key and publishes the matching public key in DNS. This check validates discovered DNS key records; it does not verify a live email message signature.