Email Security
Score
95/100
SPF
Present
DKIM
Key present
DMARC
REJECT
Findings
8
DKIM
Selectors Found:
2
Key valid
k1
(Mailchimp)
1024-bit (weak)
Key valid
s1
(SendGrid)
2048-bit
Technical Details
- k1._domainkey.cloudflare.com
- Key size: 1024
- Provider: Mailchimp
- Status: Active
- DKIM key is 1024-bit (allowed but deprecated)
- s1._domainkey.cloudflare.com
- Key size: 2048
- Provider: SendGrid
- Status: Active
Providers
- Mailchimp
- k1
- Key size: 1024
- Status: Active
- DKIM key is 1024-bit (allowed but deprecated)
- k1
- SendGrid
- s1
- Key size: 2048
- Status: Active
- s1
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.