Domains with DNS TXT v=spf1 ip4:198.20.97.78 +a +mx include:relay.mailchannels.net ~all

There are 734 domains that have DNS TXT set to v=spf1 ip4:198.20.97.78 +a +mx include:relay.mailchannels.net ~all. The top 50 records ordered by domain rank are listed below.