Domains with DNS TXT v=spf1 include:spf.protection.outlook.com a include:secureserver.net include:ispgateway.de -all

There are 4 domains that have DNS TXT set to v=spf1 include:spf.protection.outlook.com a include:secureserver.net include:ispgateway.de -all. The top 4 records ordered by domain rank are listed below.

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