Domains with DNS TXT v=spf1 +a +mx +ip4:204.13.238.178 +include:relay.mailchannels.net ~all

There are 23 domains that have DNS TXT set to v=spf1 +a +mx +ip4:204.13.238.178 +include:relay.mailchannels.net ~all. The top 23 records ordered by domain rank are listed below.