SOA
Start of Authority
Primary NS
Mailbox
root.business100.mypowerfulserver.com
Serial
2026110905
Refresh
3600
Retry
1800
Expire
1209600
Minimum TTL
86400
MX
Mail Exchangers
TXT
TXT Records
v=spf1 +a +mx +ip4:95.214.54.51 include:relay.mailbaby.net ~all
A