Domains with DNS TXT v=spf1 include:_spf.google.com include:mailgun.org include:outboundmail.convio.net include:outboundmail.blackbaud.net include:_spfprod.ngpvan.com ~all
There is 1 domain that have DNS TXT set to v=spf1 include:_spf.google.com include:mailgun.org include:outboundmail.convio.net include:outboundmail.blackbaud.net include:_spfprod.ngpvan.com ~all.