Domains with DNS TXT v=spf1 include:_spf.google.com include:sendgrid.net include:mail.zendesk.com ~all

There are 236 domains that have DNS TXT set to v=spf1 include:_spf.google.com include:sendgrid.net include:mail.zendesk.com ~all. The top 50 records ordered by domain rank are listed below.