SOA
Start of Authority
Primary NS
Mailbox
hostmaster.contabo.de
Serial
1793059862
Refresh
10800
Retry
3600
Expire
604800
Minimum TTL
3600
MX
Mail Exchangers
TXT
TXT Records
v=spf1 a:mail1.ration.works a:mail2.ration.works a:mail3.ration.works a:app.ration.works mx ~all
A