Domains with DNS TXT v=spf1 include:spf.mandrillapp.com include:sendgrid.net include:emailsrvr.com ~all
There are 304,041 domains that have DNS TXT set to v=spf1 include:spf.mandrillapp.com include:sendgrid.net include:emailsrvr.com ~all. The top 50 records ordered by domain rank are listed below.