Domains with DNS TXT v=spf1 +a +mx +ip4:209.124.66.13 include:spf.a2hosting.com include:spf.onesignal.email include:mailgun.org ~all
There is 1 domain that have DNS TXT set to v=spf1 +a +mx +ip4:209.124.66.13 include:spf.a2hosting.com include:spf.onesignal.email include:mailgun.org ~all.