SOA
Start of Authority
Primary NS
Mailbox
root.example.com
Serial
2020011052
Refresh
3600
Retry
3600
Expire
604800
Minimum TTL
86400
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
v=spf1 ip4:135.181.181.70 ip4:45.133.148.41 include:_spf.yandex.net ~all
A