Domains with DNS TXT v=spf1 ip4:49.12.80.144 ip4:23.106.120.170 +a +mx +include:relay.mailchannels.net -all

There are 178 domains that have DNS TXT set to v=spf1 ip4:49.12.80.144 ip4:23.106.120.170 +a +mx +include:relay.mailchannels.net -all. The top 50 records ordered by domain rank are listed below.