Email Formats
{
"mx": [
"10 vela1.cervantes.es.",
"10 vela2.cervantes.es.",
"20 cervantes-mxbck.sistemaip.net."
],
"spf": [
"v=spf1 include:spf.protection.outlook.com ip4:193.146.3.230 ip4:193.146.3.229 ip4:193.146.3.128 ip4:193.146.3.129 ip4:193.146.3.130 ip4:193.146.3.219 ip4:193.146.3.141 ip4:193.146.3.142 ip4:193.146.6.243 -all"
]
}