Domains with DNS TXT v=spf1 a mx ip4:212.1.210.51 include:mailchannels.net include:relay.mailchannels.net ~all

There are 10 domains that have DNS TXT set to v=spf1 a mx ip4:212.1.210.51 include:mailchannels.net include:relay.mailchannels.net ~all. The top 10 records ordered by domain rank are listed below.