Domains with DNS TXT v=spf1 include:_spf.rdstation.com.br include:sendgrid.net include:relay.mailchannels.net ~all

There are 40 domains that have DNS TXT set to v=spf1 include:_spf.rdstation.com.br include:sendgrid.net include:relay.mailchannels.net ~all. The top 40 records ordered by domain rank are listed below.