Domains with DNS TXT v=spf1 a mx include:mailgun.org include:spf.maychuemail.com include:_spf.google.com include:amazonses.com ~all
There is 1 domain that have DNS TXT set to v=spf1 a mx include:mailgun.org include:spf.maychuemail.com include:_spf.google.com include:amazonses.com ~all.