SOA
Start of Authority
Primary NS
Mailbox
hostmaster.dotserv.com
Serial
2023080702
Refresh
1800
Retry
300
Expire
86400
Minimum TTL
300
MX
Mail Exchangers
TXT
TXT Records
v=spf1 a mx include:_spf.dotserv.com ~all
v=spf1 include:_spf.dotserv.com -all
A