Email Formats

{
  "mx": [
    "10 mail.sleutelstad.nl."
  ],
  "spf": [
    "v=spf1 a mx include:spf.factuursturen.nl include:spf.totaalholding.nl include:_spf.transip.email ip4:31.186.174.0/24 ip6:2a01:7c8:aab3:1f2:5054:ff:fe2a:f67f -all"
  ]
}