SOA
Start of Authority
Primary NS
Mailbox
biuro.nazwa.pl
Serial
2008133202
Refresh
28800
Retry
7200
Expire
604800
Minimum TTL
86400
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
f7abcdd7d845147dcfa676ab772106a393d7bb57cccedcb009573ba8fd9b9dbf
v=spf1 mx a ~all
A