DKIM check (DomainKeys Identified Mail)
DKIM signs outgoing email. Receivers verify signatures using your DNS public key to confirm message integrity and sender trust.
Free scan = summary. Paid report = full remediation roadmap.
Get the PDF action plan
Includes provider-specific implementation hints and alignment guidance.
Most common DKIM issues
Unknown selector
You need the exact selector from your mail provider to validate DNS records.
Alignment gaps
DKIM must align with your visible From domain to satisfy DMARC consistently.
Multiple senders
Different tools can sign with different selectors. Keep your records documented.
No key rotation process
Periodic rotation reduces risk and avoids stale DNS keys.
FAQ
Is DKIM mandatory for good deliverability?
It is strongly recommended for modern inboxing.
It is strongly recommended for modern inboxing.
Where do I configure DKIM?
In your sending provider dashboard, then publish the related DNS record.
In your sending provider dashboard, then publish the related DNS record.
Preview
Run a free scan to see the summary here...