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 ip4:206.201.66.78 ip4:206.201.66.79 ip4:206.201.66.26 ip4:206.201.66.27 ip4:74.113.193.79 ip4:74.113.193.80 include:sendgrid.net include:spf.protection.outlook.com include:mail.zendesk.com include:autotask.net include:us._netblocks.mimecast.com inc
lude:ca._netblocks.mimecast.com include:spf.exclaimer.net include:%{ir}.%{v}.%{d}.spf.has.pphosted.com -all