Domains with DNS TXT v=spf1 +a +mx +ip4:164.160.91.37 +include:spf.zamailgate.com -all
There are 85 domains that have DNS TXT set to v=spf1 +a +mx +ip4:164.160.91.37 +include:spf.zamailgate.com -all. The top 50 records ordered by domain rank are listed below.