SOA
Start of Authority
Primary NS
Mailbox
root.server123.hosting.reg.ru
Serial
2015111944
Refresh
10800
Retry
3600
Expire
604800
Minimum TTL
86400
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
v=spf1 ip4:37.140.192.194 include:_spf.yandex.net ~all
A