SOA
Start of Authority
Primary NS
Mailbox
dns-admin.google.com
Serial
17
Refresh
21600
Retry
3600
Expire
1209600
Minimum TTL
300
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
v=spf1 +a +mx +ip4:69.16.232.230 +ip4:69.16.232.25 include:mailgun.org ~all