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