Domains with DNS TXT v=spf1 +a +mx +ip4:64.20.37.26 include:relay.is.cc +ip4:174.138.191.230 ~all
There are 124 domains that have DNS TXT set to v=spf1 +a +mx +ip4:64.20.37.26 include:relay.is.cc +ip4:174.138.191.230 ~all. The top 50 records ordered by domain rank are listed below.