Domains with DNS TXT v=spf1 ip4:49.12.80.144 +a +mx +include:relay.mailchannels.net include:spf.hostns.io include:spf.hostns.io -all

There are 23 domains that have DNS TXT set to v=spf1 ip4:49.12.80.144 +a +mx +include:relay.mailchannels.net include:spf.hostns.io include:spf.hostns.io -all. The top 23 records ordered by domain rank are listed below.