Domains with DNS TXT v=spf1 a mx include:_spf.google.com include:sendgrid.net include:mail.zendesk.com include:mktomail.com ~all
There are 2 domains that have DNS TXT set to v=spf1 a mx include:_spf.google.com include:sendgrid.net include:mail.zendesk.com include:mktomail.com ~all. The top 2 records ordered by domain rank are listed below.