Domains with DNS TXT v=spf1 a mx include:spf.mandrillapp.com include:_spf.spam-filter.email include:_spf.qfilter.nl -all
There is 1 domain that have DNS TXT set to v=spf1 a mx include:spf.mandrillapp.com include:_spf.spam-filter.email include:_spf.qfilter.nl -all.