SOA
Start of Authority
Primary NS
Mailbox
domains.superstruct.com
Serial
1
Refresh
7200
Retry
900
Expire
1209600
Minimum TTL
86400
MX
Mail Exchangers
TXT
TXT Records
v=spf1 mx include:spf.protection.outlook.com include:servers.mcsv.net include:spf.mandrillapp.com -all
A