Email Formats

{
  "mx": [
    "5 mx-yutong-com.icoremail.net.",
    "10 mail.yutong.com."
  ],
  "spf": [
    "v=spf1 ip4:222.85.67.189 ip4:125.46.74.92 ip4:117.159.16.89 include:spf.icoremail.net -all"
  ]
}