SOA
Start of Authority
Primary NS
Mailbox
dns1.sweb.ru
Serial
2021051847
Refresh
28800
Retry
7200
Expire
604800
Minimum TTL
600
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
v=spf1 ip4:178.63.0.0/16 ip4:138.201.0.0/16 include:_spf.masterhost.ru include:_spf.smtp.com ~all
A