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

There are 18 domains that have DNS TXT set to v=spf1 include:_spf.duocast.net +a +mx -all include:_spf.google.com. The top 18 records ordered by domain rank are listed below.

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