Domains with DNS TXT v=spf1 a include:spf.protection.outlook.com include:spf.mandrillapp.com include:de._netblocks.mimecast.com include:spf.surebusiness.nl include:sendgrid.net ip4:185.173.20.40 -all

There is 1 domain that have DNS TXT set to v=spf1 a include:spf.protection.outlook.com include:spf.mandrillapp.com include:de._netblocks.mimecast.com include:spf.surebusiness.nl include:sendgrid.net ip4:185.173.20.40 -all.

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