Domains with DNS TXT v=spf1 a mx include:websitewelcome.com include:spf.mandrillapp.com include:sparkpostmail.com ~all include:spf.braintreegateway.com -all
There is 1 domain that have DNS TXT set to v=spf1 a mx include:websitewelcome.com include:spf.mandrillapp.com include:sparkpostmail.com ~all include:spf.braintreegateway.com -all.