Email Formats

{
  "mx": [
    "10 mx01.1and1.com.",
    "10 mx00.1and1.com."
  ],
  "spf": [
    "v=spf1 a mx +ip4:74.208.4.192/26 +ip4:173.209.39.144 include:mout.perfora.net include:_spf-us.ionos.com ~all"
  ]
}