Domains with DNS TXT v=spf1 mx a ip4:208.71.10.186 include:_netblocks.mimecast.com ~all

There are 18 domains that have DNS TXT set to v=spf1 mx a ip4:208.71.10.186 include:_netblocks.mimecast.com ~all. The top 18 records ordered by domain rank are listed below.