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There is 1 domain that have DNS TXT set to v=spf1 a mx include:cmail1.com include:spf.workfront.com include:sendgrid.net include:spf.protection.outlook.com include:spf.us.exclaimer.net ~all.

Top Domains with TXT set to v=spf1 a mx include:cmail1.com include:spf.workfront.com include:sendgrid.net include:spf.protection.outlook.com include:spf.us.exclaimer.net ~all