Fast, stateless Network Diagnostics

Email authentication

GET/api/v1/dmarc-checker

DMARC Checker

See a domain's DMARC policy and where failure reports go.

ParameterTypeRequiredDescription
domainstringYesDomain to check.

Example request

curl "https://netsh.io/api/v1/dmarc-checker?domain=example.com&api_key=YOUR_API_KEY"

Example response

{
  "ok": true,
  "data": {
    "domain": "example.com",
    "found": true,
    "record": "v=DMARC1; p=reject; pct=100; rua=mailto:rua@example.com",
    "tags": { "v": "DMARC1", "p": "reject", "pct": "100", "rua": "mailto:rua@example.com" }
  },
  "meta": { "tool": "dmarc-checker", "version": "v1" }
}