Domains with DNS TXT v=spf1 +a +mx +ip4:216.18.201.99 include:relay.message5.com +include:spf.protection.outlook.com ~all

There are 21 domains that have DNS TXT set to v=spf1 +a +mx +ip4:216.18.201.99 include:relay.message5.com +include:spf.protection.outlook.com ~all. The top 21 records ordered by domain rank are listed below.

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