Email Formats

{
  "mx": [
    "10 d164051a.ess.barracudanetworks.com.",
    "20 d164051b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 include:20748151.spf10.hubspotemail.net  include:spf.protection.outlook.com -all"
  ]
}