Email Formats
{
"mx": [
"10 d199476a.ess.barracudanetworks.com.",
"10 d199476b.ess.barracudanetworks.com."
],
"spf": [
"v=spf1 ip4:72.81.252.225/29 ip4:173.69.132.88/29 ip4:167.89.3.4 include:outboundmail.blackbaud.net include:servers.mcsv.net include:mailgun.org include:spf.ess.barracudanetworks.com include:relay.mailchannels.net -all"
]
}