SOA
Start of Authority
Primary NS
Mailbox
postmaster.arubabusiness.it
Serial
2021122103
Refresh
10800
Retry
3600
Expire
604800
Minimum TTL
3600
MX
Mail Exchangers
TXT
TXT Records
v=spf1 ip4:81.88.228.224/27 ip4:81.88.237.160/28 ip4:81.88.234.16/28 ip4:93.174.64.0/21 a mx include:_spf.arubabusiness.it -all
A