SOA
Start of Authority
Primary NS
Mailbox
admin.admin.net.pl
Serial
2023130013
Refresh
10800
Retry
3600
Expire
604800
Minimum TTL
10800
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
v=spf1 a mx include:mail6.mydevil.net include:_spf.google.com -all