Email Authentication Validator
Resolve a bundled DNS zone into DKIM, SPF, and DMARC checks, an alignment verdict, and ready-to-apply fixes.
Validation Inputs
Uses bundled sample DNS records and message headers offline. The full product queries real DNS, scans 15 selectors, parses headers, and emits JSON.
Included with DKIM Validator
The complete DKIM Validator package includes:
- DNS record checking
- Multi-selector scanning
- DKIM header parsing
- DNS record template generation
- Key size validation
- Tag descriptions