curl --location --request POST 'https://api.ricardoneud.com/v4/tools/mailhostcheck' \
--header 'X-Domain: example.com' \
--header 'X-DKIM-Selector: x._domainkey'
{
"success": true,
"mxValid": true,
"disposable": false,
"deliverable": true,
"spf": "v=spf1 include:_spf.google.com ~all",
"dmarc": "v=DMARC1; p=none; rua=mailto:dmarc@domain.com",
"dkim": "Valid DKIM record found for selector selector: k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8A...",
"mx": "mail.example.com (priority 0)",
"ptr": "mail.domain.com",
"bimi": "v=BIMI1; l=https://domain.com/logo.svg",
"google_verification": "Domain is verified by Google"
}