SOA
Start of Authority
Primary NS
Mailbox
hostmaster.sperotech.com
Serial
2019031502
Refresh
16384
Retry
2048
Expire
1048576
Minimum TTL
2560
MX
Mail Exchangers
TXT
TXT Records
v=spf1 include:spf.protection.outlook.com -all
sperotechcom.azurewebsites.net
A