SOA
Start of Authority
Primary NS
Mailbox
admin.rental.software
Serial
1692
Refresh
3600
Retry
1800
Expire
604800
Minimum TTL
86400
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
v=spf1 include:spf.messagingengine.com ?all
v=spf1 a include:spf.messagingengine.com include:_spf.smtp.com ~all