Email Formats

{
  "mx": [
    "10 d252407a.ess.barracudanetworks.com.",
    "20 d252407b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 include:_spf.mlsend.com include:spf.ess.barracudanetworks.com ip4:209.166.137.212 ip4:209.166.137.216 ip4:209.166.137.230 include:spf.protection.outlook.com -all"
  ]
}