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There is 1 domain that have DNS TXT set to v=spf1 a mx include:_spf.google.com include:sendgrid.net include:6551297.spf05.hubspotemail.net ~all.

Top Domains with TXT set to v=spf1 a mx include:_spf.google.com include:sendgrid.net include:6551297.spf05.hubspotemail.net ~all