Email Formats

{
  "mx": [
    "5 mail-in4.ccb.com.",
    "5 mail-in3.ccb.com.",
    "5 mail-in2.ccb.com.",
    "5 mail-in1.ccb.com."
  ],
  "spf": [
    "v=spf1 ip4:223.72.147.0/24 ip4:124.127.253.0/24 -all"
  ]
}