Domains with DNS TXT v=spf1 ip4:52.0.33.187 include:relay.mailchannels.net include:spf.helpinghost.com +a +mx ~all

There are 209 domains that have DNS TXT set to v=spf1 ip4:52.0.33.187 include:relay.mailchannels.net include:spf.helpinghost.com +a +mx ~all. The top 50 records ordered by domain rank are listed below.