Domains with DNS TXT v=spf1 a ip4:83.166.162.42 ip4:83.166.162.43 include:spf.protection.outlook.com include:_netblocks.mimecast.com -all

There are 49 domains that have DNS TXT set to v=spf1 a ip4:83.166.162.42 ip4:83.166.162.43 include:spf.protection.outlook.com include:_netblocks.mimecast.com -all. The top 49 records ordered by domain rank are listed below.