Email Formats

{
  "mx": [
    "10 mx01.1and1.com.",
    "10 mx00.1and1.com."
  ],
  "spf": [
    "v=spf1 ip4:74.208.5.3 ip4:74.208.255.134 include:_spf-us.ionos.com ~all"
  ]
}