SOA
Start of Authority
Primary NS
Mailbox
azuredns-hostmaster.microsoft.com
Serial
1
Refresh
3600
Retry
300
Expire
2419200
Minimum TTL
300
TXT
TXT Records
v=spf1 include:spf.protection.outlook.com include:sendgrid.net include:144.217.95.147 ?all
mscid=ARUt74EYeGNZvJXjpc+AyJEqArToIEz36JzZNNhaCs7Yp4MBqCg2Og5fwbOWFrmBra2RhLg+xO7C+LUqIF+i7g==
A