Domains with DNS TXT v=spf1 ip4:50.28.12.74 +mx +a +ip4:158.222.82.36 include:customerspf.schoolmessenger.com +include:spf.protection.outlook.com -all

There is 1 domain that have DNS TXT set to v=spf1 ip4:50.28.12.74 +mx +a +ip4:158.222.82.36 include:customerspf.schoolmessenger.com +include:spf.protection.outlook.com -all.

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