SOA
Start of Authority
Primary NS
Mailbox
root.example.com
Serial
2016091750
Refresh
3600
Retry
3600
Expire
604800
Minimum TTL
86400
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
v=spf1 redirect=_spf.yandex.net
v=spf1 ip4:95.47.161.32 a mx ~all
A