Email Formats

{
  "mx": [
    "0 mail.abnt.org.br."
  ],
  "spf": [
    "v=spf1 include:tndonline.com.br include:spf.protection.outlook.com include:abnspf.abnt.org.br include:sendgrid.net ip4:138.81.11.20/30 ip4:189.113.174.141 ~all"
  ]
}