Email deliverability test
Review the DNS configuration that affects whether a domain can send and receive authenticated email.
How it works
A configuration check, not an inbox guarantee
This report checks published DNS records. Inbox placement also depends on sending reputation, message content, recipient engagement, and provider-specific filtering that DNS alone cannot measure.
- Mail routing and address records
- SPF, DKIM, and DMARC presence
- Authoritative nameserver configuration
- Direct links to inspect each record set
Use these checks during signup
The API returns allow, review, or block with the reasons behind it.