Email Formats

{
  "mx": [
    "10 mail.ztr.com.ua.",
    "15 mail2.ztr.com.ua.",
    "20 mail.express.net.ua."
  ],
  "spf": [
    "v=spf1 mx ip4:80.254.6.21/32 ip4:193.0.228.50/32 -all"
  ]
}