Email Formats
{
"mx": [
"10 ust-hk.mail.protection.outlook.com."
],
"spf": [
"v=spf1 include:spf.protection.outlook.com include:servers.mcsv.net include:et._spf.pardot.com include:_spf.qualtrics.com include:service-now.com include:spf-ap.exlibrisgroup.com ip4:143.89.12.0/22 ~all"
]
}