Email Formats

{
  "mx": [
    "10 mx01.1and1.com.",
    "10 mx00.1and1.com."
  ],
  "spf": [
    "v=spf1 +a +mx +ip4:167.71.251.9 +ip4:74.208.4.194 +ip4:74.208.4.196 include:mailgun.org include:_spf-us.ionos.com include:_spf.e2ma.net ~all"
  ]
}