SOA
Start of Authority
Primary NS
Mailbox
info.mchost.ru
Serial
1783110004
Refresh
28800
Retry
7200
Expire
604800
Minimum TTL
600
TXT
TXT Records
v=spf1 include:_spf.yandex.ru include:spf.unisender.com ~all
spf2.0/mfrom,pra include:senderid.unisender.com ~all