Email Formats

{
  "mx": [
    "15 mx6.bankofchina.com.",
    "15 mx5.bankofchina.com.",
    "10 mx4.bankofchina.com.",
    "10 mx1.bankofchina.com.",
    "10 mx3.bankofchina.com.",
    "10 mx2.bankofchina.com."
  ],
  "spf": [
    "v=spf1 a mx ip4:219.141.191.6 ip4:123.124.191.6 ip4:124.74.250.20 ip4:112.64.122.20 ip4:103.238.96.15 ip4:103.238.96.17 ip4:202.127.171.125 ip4:202.127.171.126 ip4:202.127.171.127 ip4:1.180.7.4 ip4:58.18.171.4 ip4:222.74.212.12 ip4:58.18.171.12  -all"
  ]
}