Email Formats
{
"mx": [
"10 aspmx.l.google.com.",
"20 alt1.aspmx.l.google.com.",
"20 alt2.aspmx.l.google.com.",
"30 alt3.aspmx.l.google.com.",
"30 alt4.aspmx.l.google.com."
],
"spf": [
"v=spf1 include:_spf.google.com include:_spf.travelclick.com ip4:216.117.108.0/24 ip4:216.117.109.0/24 ip4:216.117.110.0/24 ip4:209.216.38.208 ip4:ip4:209.164.5.201 ip4:67.205.34.223 ip4:67.205.34.220 ~all"
]
}