Email Formats

{
  "mx": [
    "1 SMTP.GOOGLE.COM."
  ],
  "spf": [
    "v=spf1 ip4:108.171.214.90 include:spf.nfserver.com ip4:66.135.3.51 ip4:72.9.154.190 ip4:72.9.154.188 +a +mx +ip4:170.187.155.144 include:_spf.google.com ~all"
  ]
}