Email Formats
{
"mx": [
"10 aspmx.l.google.com.",
"20 alt1.aspmx.l.google.com.",
"30 alt2.aspmx.l.google.com.",
"40 aspmx2.googlemail.com.",
"50 aspmx3.googlemail.com.",
"60 aspmx4.googlemail.com.",
"70 aspmx5.googlemail.com."
],
"spf": [
"v=spf1 mx a ptr ip4:167.89.22.28/32 ip4:66.211.106.228/32 ip4:66.211.106.235/32 include:bounce.exacttarget.com include:exacttarget.com include:_spf.google.com include:_netblocks.google.com include:aspmx.googlemail.com include:sendgrid.net ~all"
]
}