Domains with DNS TXT v=spf1 +a +mx +ip4:148.66.54.2 include:relay.mailchannels.net ~all

There are 432 domains that have DNS TXT set to v=spf1 +a +mx +ip4:148.66.54.2 include:relay.mailchannels.net ~all. The top 50 records ordered by domain rank are listed below.