SOA
Start of Authority
Primary NS
Mailbox
cloud-dns-hostmaster.google.com
Serial
50
Refresh
21600
Retry
3600
Expire
259200
Minimum TTL
300
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
v=spf1 include:_spf.google.com include:7776824.spf06.hubspotemail.net include:spf.mandrillapp.com include:sendgrid.net -all