Email Score

What It Does

Queries SPF, DKIM, DMARC, and MX records in parallel via Cloudflare DoH. Scores SPF based on record validity and policy mechanism (-all, ~all, ?all, +all). Scores DKIM based on key presence and estimated key strength (2048+ bit RSA or Ed25519 scores higher) across common selectors. Scores DMARC based on policy level (none/quarantine/reject), alignment, subdomain policy, and percentage coverage. Scores MX records for presence and backup redundancy. Detects email provider type and awards bonuses for enterprise (Google Workspace, Microsoft 365) or security gateway providers. Returns detected provider information, record presence flags (has_spf, has_dkim, has_dmarc, has_mx), weighted breakdown, and a letter grade.

Why It's Useful

Email security configuration directly impacts deliverability and phishing protection. A single composite score makes it easy to assess email security posture, compare domains, track improvements over time, and verify compliance with Google/Yahoo/Microsoft bulk sender requirements (2024-2025). Ideal for security dashboards, vendor risk assessments, and email deliverability troubleshooting.

Use Cases

Parameters

Response Fields

Code Examples

curl "https://api.edgedns.dev/v1/score/email" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d "domain=google.com"

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

const data = await response.json();
console.log(data);

import requests

response = requests.get(
    'https://api.edgedns.dev/v1/score/email',
    headers={'Authorization': 'Bearer YOUR_API_KEY'},
    params={
    'domain': 'google.com'
    }
)

data = response.json()
print(data)

Related Endpoints

External References

Learn more about the standards and protocols behind this endpoint.