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There is 1 domain that have DNS TXT set to v=spf1 +a +mx +ip4:165.140.70.57 +include:relay.mailchannels.net include:spf.protection.outlook.com ~all.

Top Domains with TXT set to v=spf1 +a +mx +ip4:165.140.70.57 +include:relay.mailchannels.net include:spf.protection.outlook.com ~all