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There is 1 domain that have DNS TXT set to v=spf1 a include:_spf.google.com include:aspmx.googlemail.com include:u1930806.wl.sendgrid.net include:sparkpostmail.com ~all.

Top Domains with TXT set to v=spf1 a include:_spf.google.com include:aspmx.googlemail.com include:u1930806.wl.sendgrid.net include:sparkpostmail.com ~all