Domains with DNS TXT v=spf1 include:spf.protection.outlook.com include:us._netblocks.mimecast.com include:secureserver.net ip4:67.217.174.134 -all
There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com include:us._netblocks.mimecast.com include:secureserver.net ip4:67.217.174.134 -all.