Domains with DNS TXT v=spf1 include:sendgrid.net include:_spf.google.com include:mail.zendesk.com include:mailgun.org ~all

There are 3 domains that have DNS TXT set to v=spf1 include:sendgrid.net include:_spf.google.com include:mail.zendesk.com include:mailgun.org ~all. The top 3 records ordered by domain rank are listed below.

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