Domains with DNS TXT v=spf1 include:_spf.duocast.net +a +mx ~all include:_spf.google.com

There are 317 domains that have DNS TXT set to v=spf1 include:_spf.duocast.net +a +mx ~all include:_spf.google.com. The top 50 records ordered by domain rank are listed below.