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There is 1 domain that have DNS TXT set to v=spf1 a mx include:s812.smtp-spf.sureserver.com include:spf.protection.outlook.com include:mailgun.org include:27036157.spf07.hubspotemail.net ~all.

Top Domains with TXT set to v=spf1 a mx include:s812.smtp-spf.sureserver.com include:spf.protection.outlook.com include:mailgun.org include:27036157.spf07.hubspotemail.net ~all