Email Formats

{
  "mx": [
    "10 mail.runsystem.vn.",
    "20 mx-0.runsystem.vn."
  ],
  "spf": [
    "v=spf1 include:_prspf.guardianwall.jp include:srs3387.cuenote.jp include:gmo.ko-sokumail.net include:mail-spf.ferret-one.com ip4:133.130.126.203 ip4:103.18.6.112 ip4:103.18.7.112 ip4:103.18.7.130 ip4:137.59.104.29 ip4:137.59.104.30 ~all"
  ]
}