SOA
Start of Authority
Primary NS
Mailbox
dc.dot2web.pt
Serial
2021102601
Refresh
3600
Retry
1800
Expire
1209600
Minimum TTL
86400
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
v=spf1 +a +mx +ip4:51.91.17.116 +ip4:185.12.116.118 +include:spf.mailbox.pt +ip4:51.91.185.29 ~all
A