Domains with DNS TXT v=spf1 ip4:46.28.255.17 include:eu._netblocks.mimecast.com include:spf.protection.outlook.com -all
There is 1 domain that have DNS TXT set to v=spf1 ip4:46.28.255.17 include:eu._netblocks.mimecast.com include:spf.protection.outlook.com -all.