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