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There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com include:20237040.spf10.hubspotemail.net include:_spf.hubspot.com -all.

Top Domains with TXT set to v=spf1 include:spf.protection.outlook.com include:20237040.spf10.hubspotemail.net include:_spf.hubspot.com -all