Domains with DNS TXT v=spf1 ip4:217.21.73.151 include:relay.mailchannels.net +a +mx +ip4:45.143.81.51 ~all

There are 76 domains that have DNS TXT set to v=spf1 ip4:217.21.73.151 include:relay.mailchannels.net +a +mx +ip4:45.143.81.51 ~all. The top 50 records ordered by domain rank are listed below.