Domains with DNS TXT v=spf1 v=spf1 include:usb._netblocks.mimecast.com ~all include:spf.protection.outlook.com include:relay.mailchannels.net ~all

There is 1 domain that have DNS TXT set to v=spf1 v=spf1 include:usb._netblocks.mimecast.com ~all include:spf.protection.outlook.com include:relay.mailchannels.net ~all.

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