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There is 1 domain that have DNS TXT set to v=spf1 a mx include:spf.protection.outlook.com include:sendgrid.com include:sendgrid.net include:sendgrid.biz include:_spf.google.com include:infusionmail.com include:servers.mcsv.net ip4:66.210.216.110 ip4:72.10.35.44-all.

Top Domains with TXT set to v=spf1 a mx include:spf.protection.outlook.com include:sendgrid.com include:sendgrid.net include:sendgrid.biz include:_spf.google.com include:infusionmail.com include:servers.mcsv.net ip4:66.210.216.110 ip4:72.10.35.44-all