Domains with DNS TXT v=spf1 ip4:72.55.137.49 +a +mx +ip4:174.142.32.180 +ip4:70.38.78.87 include:mailgun.org ~all
There is 1 domain that have DNS TXT set to v=spf1 ip4:72.55.137.49 +a +mx +ip4:174.142.32.180 +ip4:70.38.78.87 include:mailgun.org ~all.