Domains with DNS TXT v=spf1 a mx a:mail.cisdata.net include:_spf.google.com include:sendgrid.net include:servers.mcsv.net ~all

There are 17,764 domains that have DNS TXT set to v=spf1 a mx a:mail.cisdata.net include:_spf.google.com include:sendgrid.net include:servers.mcsv.net ~all. The top 50 records ordered by domain rank are listed below.