Email Formats

{
"mx": [
"10 d247714b.ess.barracudanetworks.com.",
"15 d247714a.ess.barracudanetworks.com."
],
"spf": [
"v=spf1 ip4:52.190.28.69 ip4:216.116.192.0/24 ip4:162.248.253.243 include:email.nimbleams.com include:spf.ess.barracudanetworks.com include:spf.constantcontact.com include:spf.protection.outlook.com include:_spf.salesforce.com ~all"
]
}