Email Formats

{
  "mx": [
    "20 mail.netbilling.com."
  ],
  "spf": [
    "v=spf1 a mx ip4:208.122.193.128/28 ip4:216.33.71.64/27 ip4:216.34.180.242/32 ip4:64.60.65.160/28 a:smtp-return.net include:servers.mcsv.net include:6309933.spf02.hubspotemail.net include:spf.protection.outlook.com ~all"
  ]
}