Email Formats
{
"mx": [
"1 mx1.sth.nu.",
"2 mx2.sth.nu.",
"3 mx3.sth.nu.",
"4 mx4.sth.nu."
],
"spf": [
"v=spf1 a mx mx:kpnxchange.com/24 ip4:213.75.39.0/24 ip4:195.121.3.17/24 ip4:37.97.134.27 ip4:185.122.117.6 ip4:185.2.242.116 ip6:2a01:7c8:aabc:13:5054:ff:fe6a:8d5a include:_spf.yoursite.io include:_spf.createsend.com include:spf.protection.outlook.com inc\" \"lude:spf.sth.nl -all"
]
}