Domains with DNS TXT v=spf1 ip4:203.161.33.166 include:postmarkapp.com +a +mx +ip4:167.235.182.180 include:relay.mailchannels.net ~all

There are 14 domains that have DNS TXT set to v=spf1 ip4:203.161.33.166 include:postmarkapp.com +a +mx +ip4:167.235.182.180 include:relay.mailchannels.net ~all. The top 14 records ordered by domain rank are listed below.