Domains with DNS TXT v=spf1 a mx include:sparkpostmail.com include:_spf.myshoptet.com include:_spf.onebit.cz -all
There is 1 domain that have DNS TXT set to v=spf1 a mx include:sparkpostmail.com include:_spf.myshoptet.com include:_spf.onebit.cz -all.