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