Email Formats

{
  "mx": [
    "0 cinvestav-mx.mail.protection.outlook.com."
  ],
  "spf": [
    "v=spf1 ip4:148.247.67.37 ip4:148.247.67.52 a mx a:mail.ecorreo.cinvestav.mx include:spf.protection.outlook.com -all"
  ]
}