Email Formats

{
  "mx": [
    "0 caltechsurveys-com.mail.protection.outlook.com."
  ],
  "spf": [
    "v=spf1 ip4:198.166.128.162 ip4:198.166.128.163 ip4:216.36.165.51 ip4:216.232.163.95 ip4:69.11.122.51 ip4:69.11.71.214 ip4:216.36.173.103 include:spf.protection.outlook.com ~all"
  ]
}