Domains with DNS TXT v=spf1 +mx +a +ip4:217.21.73.151 +include:relay.mailchannels.net ~all

There are 12 domains that have DNS TXT set to v=spf1 +mx +a +ip4:217.21.73.151 +include:relay.mailchannels.net ~all. The top 12 records ordered by domain rank are listed below.