Email Formats

{
  "mx": [
    "0 mail2.ietf.org."
  ],
  "spf": [
    "v=spf1 ip4:166.84.6.31 ip4:166.84.7.238 ip6:2602:f977:800:f7f6::/64 include:_spf.google.com include:spf.hostedrt.com ~all"
  ]
}