SPF Checker

See which mail servers a domain authorizes to send for it.

Parameter	Type	Required	Description
`domain`	string	Yes	Domain to check.

Example request

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

Example response

{
  "ok": true,
  "data": {
    "domain": "example.com",
    "found": true,
    "record": "v=spf1 ip4:192.0.2.0/24 include:_spf.google.com -all",
    "mechanisms": ["ip4:192.0.2.0/24", "include:_spf.google.com", "-all"],
    "multiple": false
  },
  "meta": { "tool": "spf-checker", "version": "v1" }
}