Domains with DNS TXT v=spf1 +a +mx +ip4:66.45.231.178 include:relay.is.cc +ip4:206.72.198.91 +include:relay.mailchannels.net ~all

There are 54 domains that have DNS TXT set to v=spf1 +a +mx +ip4:66.45.231.178 include:relay.is.cc +ip4:206.72.198.91 +include:relay.mailchannels.net ~all. The top 50 records ordered by domain rank are listed below.