Domains with DNS TXT v=spf1 include:mail.zendesk.com include:spf.mandrillapp.com include:_spf.google.com -all

There are 24 domains that have DNS TXT set to v=spf1 include:mail.zendesk.com include:spf.mandrillapp.com include:_spf.google.com -all. The top 24 records ordered by domain rank are listed below.