Domains with DNS TXT v=spf1 a mx include:spf.mandrillapp.com include:sendgrid.net include:emailsrvr.com include:spf.brevo.com ~all
There is 1 domain that have DNS TXT set to v=spf1 a mx include:spf.mandrillapp.com include:sendgrid.net include:emailsrvr.com include:spf.brevo.com ~all.