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There is 1 domain that have DNS TXT set to v=spf1 mx a include:_spf.mx.cloudflare.net include:relay.mailchannels.net include:spf.mandrillapp.com include:secure-mailgate.com include:spf.protection.outlook.com ~all.

Top Domains with TXT set to v=spf1 mx a include:_spf.mx.cloudflare.net include:relay.mailchannels.net include:spf.mandrillapp.com include:secure-mailgate.com include:spf.protection.outlook.com ~all