SOA
Start of Authority
Primary NS
Mailbox
dns-admin.rcsol.com
Serial
2017090409
Refresh
3600
Retry
300
Expire
2419200
Minimum TTL
300
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
v=spf1 mx a include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com -all
A