Email Formats
{
"mx": [
"10 mail.protonmail.ch.",
"20 mailsec.protonmail.ch."
],
"spf": [
"v=spf1 ip4:67.202.70.12 include:emsd1.com include:acems1.com include:mail.zendesk.com include:_spf.smtp.com include:_spf.protonmail.ch -all"
]
}