Domains with DNS TXT v=spf1 include:spf.protection.outlook.com include:customerspf.schoolmessenger.com include:spf.canopyhosting.com ~all

There are 24 domains that have DNS TXT set to v=spf1 include:spf.protection.outlook.com include:customerspf.schoolmessenger.com include:spf.canopyhosting.com ~all. The top 24 records ordered by domain rank are listed below.

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