Domains with DNS TXT v=spf1 include:us._netblocks.mimecast.com include:spfhost.messageprovider.com iinclude:spf.protection.outlook.com -all

There is 1 domain that have DNS TXT set to v=spf1 include:us._netblocks.mimecast.com include:spfhost.messageprovider.com iinclude:spf.protection.outlook.com -all.

Top Domains with TXT set to v=spf1 include:us._netblocks.mimecast.com include:spfhost.messageprovider.com iinclude:spf.protection.outlook.com -all