Email Formats

{
  "mx": [
    "1 ASPMX.L.GOOGLE.COM.",
    "10 ALT3.ASPMX.L.GOOGLE.COM.",
    "5 ALT2.ASPMX.L.GOOGLE.COM.",
    "5 ALT1.ASPMX.L.GOOGLE.COM.",
    "10 ALT4.ASPMX.L.GOOGLE.COM."
  ],
  "spf": [
    "v=spf1 include:_spf.google.com ip4:49.247.44.80 ip4:220.67.180.98 ip4:222.122.208.217 include:khcu.massivemail02.com include:massive.khcu.ac.kr ~all"
  ]
}