Domains with DNS TXT v=spf1 mx ip4:66.71.132.37 ip4:66.71.132.38 ip4:66.71.132.39 ip4:66.71.132.40 -all

There are 515 domains that have DNS TXT set to v=spf1 mx ip4:66.71.132.37 ip4:66.71.132.38 ip4:66.71.132.39 ip4:66.71.132.40 -all. The top 50 records ordered by domain rank are listed below.