Stop Emails Landing in Spam

Validate SPF, DKIM, DMARC, BIMI, and MTA-STS configuration before sending. Get proactive alerts when authentication breaks. Improve inbox placement with email security scores.

200 free API requests per month

5
Email Auth Validations
A-F
Email Security Grades
6
Email Auth Endpoints

Discover Email Issues Before They Impact Campaigns

Email marketers often discover SPF, DKIM, or DMARC issues only after campaigns fail. Misconfigured email authentication leads to poor deliverability, damaged sender reputation, and lost revenue. EdgeDNS helps you validate and monitor email authentication proactively.

Why Email Teams Choose EdgeDNS

Reduce Bounce Rates

Pre-validate recipient domain email configuration before sending campaigns.

Catch Issues Early

Automated monitoring alerts you to SPF/DKIM changes before they impact delivery.

Improve Sender Reputation

Maintain consistent email authentication across all sending domains.

Email Security Scoring

Get A-F grades for email security with actionable recommendations.

Email Authentication Endpoints

Complete email security validation in one API

SPF Check
/v1/security/spf

Validate SPF record syntax and DNS lookup count

DKIM Check
/v1/security/dkim

Discover and validate DKIM keys across selectors

DMARC Check
/v1/security/dmarc

Verify DMARC policy and reporting configuration

Email Score
/v1/score/email

Get an overall email security grade (A-F)

MX Health
/v1/dns/mx-health

Check mail server connectivity and redundancy

BIMI Check
/v1/security/bimi

Validate BIMI logo and VMC certificate

Simple Integration

Check email authentication with a single API call. Get actionable recommendations to fix issues before they impact your campaigns.

Check email authentication
// Check email authentication before campaigns
const response = await fetch(
  'https://api.edgedns.dev/v1/score/email?domain=example.com',
  { headers: { 'Authorization': 'Bearer YOUR_API_KEY' } }
);

const { data } = await response.json();

if (data.grade !== 'A') {
  console.log('Issues found:', data.recommendations);
  // ["Enable DMARC enforcement", "Add missing DKIM selector"]
}

Stop losing emails to spam folders

Teams using EdgeDNS catch SPF/DKIM/DMARC issues before campaigns launch — not after. Start with 200 free API requests.

No credit card required