Email Formats

{
  "mx": [
    "10 mx00.1and1.com.",
    "10 mx01.1and1.com."
  ],
  "spf": [
    "v=spf1 ip4:72.29.106.251 include:ndr.proipromoter.com include:proipromoter.com include:spf.protection.outlook.com ip4:72.29.106.128/25 include:_spf-us.ionos.com ~all"
  ]
}