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There is 1 domain that have DNS TXT set to v=spf1 a:dispatch-us.ppe-hosted.com ip4:63.228.9.28 include:spf.mandrillapp.com include:mailgun.org -all.

Top Domains with TXT set to v=spf1 a:dispatch-us.ppe-hosted.com ip4:63.228.9.28 include:spf.mandrillapp.com include:mailgun.org -all