Domains with DNS TXT v=spf1 +mx +a +ip4:148.66.54.66 +include:relay.mailchannels.net ~all
There are 7 domains that have DNS TXT set to v=spf1 +mx +a +ip4:148.66.54.66 +include:relay.mailchannels.net ~all. The top 7 records ordered by domain rank are listed below.