Email Formats

{
  "mx": [
    "2 mail.hust.edu.cn."
  ],
  "spf": [
    "v=spf1 ip4:113.57.228.210 ip4:111.175.187.190 ip4:202.114.0.240 ip4:111.175.187.188 ip4:111.175.187.189 ip4:111.175.187.182 ip4:202.114.0.230 ip4:202.114.0.231 ip6:2001:250:4000:826E:6EAE:8BFF:FE1D:9D2A include:spf.icoremail.net -all"
  ]
}