Domains with DNS TXT v=spf1 a mx include:amazonses.com include:_spf.google.com include:helpscoutemail.com include:_spf.freeagent.com -all
There is 1 domain that have DNS TXT set to v=spf1 a mx include:amazonses.com include:_spf.google.com include:helpscoutemail.com include:_spf.freeagent.com -all.