Email Formats

{
  "mx": [
    "10 d161792a.ess.barracudanetworks.com.",
    "20 d161792b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 a mx ptr ip4:135.135.4.160/28 mx:mail.cnsiwi.com ip4:64.235.144.0/20 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com -all"
  ]
}