Email Formats

{
  "mx": [
    "10 firstbook-org.mx1-us.mailanyone.net.",
    "20 firstbook-org.mx2-us.mailanyone.net.",
    "30 firstbook-org.mx3-us.mailanyone.net."
  ],
  "spf": [
    "v=spf1 include:spf.protection.outlook.com  mx  include:et._spf.pardot.com include:u15772834.wl085.sendgrid.net include:amazonaws.com ip4:166.78.70.233 ip4:192.254.126.8 ip4:192.254.124.90 ip4:192.254.123.116  ~all"
  ]
}