SOA
Start of Authority
Primary NS
Mailbox
biuro.nazwa.pl
Serial
2008133200
Refresh
28800
Retry
7200
Expire
604800
Minimum TTL
86400
MX
Mail Exchangers
TXT
TXT Records
5eb08423fa13b4116c35e0a779b277186fe85fe9b8965bd0cac48428ced29fcd
v=spf1 mx a ~all
A