Domains with DNS TXT v=spf1 +a +mx +ip4:66.45.244.234 include:relay.is.cc +include:relay.mailchannels.net ~all

There are 332 domains that have DNS TXT set to v=spf1 +a +mx +ip4:66.45.244.234 include:relay.is.cc +include:relay.mailchannels.net ~all. The top 50 records ordered by domain rank are listed below.