Domains with DNS TXT v=spf1 +a +mx include:mailgun.org include:spf.mandrillapp.com include:_spf.google.com include:_spf.hostnet.nl -all
There is 1 domain that have DNS TXT set to v=spf1 +a +mx include:mailgun.org include:spf.mandrillapp.com include:_spf.google.com include:_spf.hostnet.nl -all.