Domains with DNS TXT v=spf1 ip4:184.68.1.18 include:spf.protection.outlook.com include:ca._netblocks.mimecast.com ~all
There is 1 domain that have DNS TXT set to v=spf1 ip4:184.68.1.18 include:spf.protection.outlook.com include:ca._netblocks.mimecast.com ~all.