SOA
Start of Authority
Primary NS
Mailbox
azuredns-hostmaster.microsoft.com
Serial
1
Refresh
3600
Retry
300
Expire
2419200
Minimum TTL
300
MX
Mail Exchangers
TXT
TXT Records
v=spf1 a:cph-smtp-gw134.customprofessionalhosting.com ip4:185.22.92.0/23 a mx ~all