Email Formats

{
  "mx": [
    "5 mx3.ufpel.edu.br.",
    "5 mx2.ufpel.edu.br."
  ],
  "spf": [
    "v=spf1 ip4:200.17.160.0/23 ip6:2804:0:2010:160::/64 ip6:2804:0:2000:161::/64 ip4:200.132.96.0/24 ip6:2804:0:2010:96::/64 A MX -all"
  ]
}