Domains with DNS TXT v=spf1 a mx ip4:51.79.228.91 include:relay.mailchannels.net ip6:2402:1f00:8001:f5b:0:0:0:0 ~all

There are 55 domains that have DNS TXT set to v=spf1 a mx ip4:51.79.228.91 include:relay.mailchannels.net ip6:2402:1f00:8001:f5b:0:0:0:0 ~all. The top 50 records ordered by domain rank are listed below.