Domains with DNS TXT v=spf1 ip4:66.225.221.50 +a +mx +ip4:50.31.174.34 ~all

There are 622 domains that have DNS TXT set to v=spf1 ip4:66.225.221.50 +a +mx +ip4:50.31.174.34 ~all. The top 50 records ordered by domain rank are listed below.