Domains with DNS TXT v=spf1 a mx ip4:109.106.251.51 include:relay.mailchannels.net ~all

There are 3,053 domains that have DNS TXT set to v=spf1 a mx ip4:109.106.251.51 include:relay.mailchannels.net ~all. The top 50 records ordered by domain rank are listed below.