Domains with DNS TXT v=spf1 include:spf.protection.outlook.com ip4:128.199.216.136 include:_netblocks.mimecast.com -all

There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com ip4:128.199.216.136 include:_netblocks.mimecast.com -all.

Top Domains with TXT set to v=spf1 include:spf.protection.outlook.com ip4:128.199.216.136 include:_netblocks.mimecast.com -all