Domains with DNS TXT v=spf1 ip4:216.37.42.48 include:relay.mailchannels.net +a +mx ~all

There are 51 domains that have DNS TXT set to v=spf1 ip4:216.37.42.48 include:relay.mailchannels.net +a +mx ~all. The top 50 records ordered by domain rank are listed below.