Email Formats

{
  "mx": [
    "10 d165963a.ess.barracudanetworks.com.",
    "20 d165963b.ess.barracudanetworks.com."
  ],
  "spf": [
    "v=spf1 +a +mx +ip4:208.64.163.0/24 +ip4:173.162.164.69/32 +ip4:12.31.47.242 +ip4:12.31.47.229 +include:spf.protection.outlook.com ~all"
  ]
}