Domains with DNS TXT v=spf1 +a +mx +ip4:45.143.81.1 include:relay.mailchannels.net ~all
There are 346 domains that have DNS TXT set to v=spf1 +a +mx +ip4:45.143.81.1 include:relay.mailchannels.net ~all. The top 50 records ordered by domain rank are listed below.