Domains with DNS TXT v=spf1 +a +mx +ip4:164.160.91.57 include:spf.zamailgate.com ~all
There are 1,150 domains that have DNS TXT set to v=spf1 +a +mx +ip4:164.160.91.57 include:spf.zamailgate.com ~all. The top 50 records ordered by domain rank are listed below.