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