Domains with DNS TXT v=spf1 include:spf.protection.outlook.com include:_netblocks.mimecast.com include:spf.topsec.com a ip4:137.191.225.163 -all

There are 2 domains that have DNS TXT set to v=spf1 include:spf.protection.outlook.com include:_netblocks.mimecast.com include:spf.topsec.com a ip4:137.191.225.163 -all. The top 2 records ordered by domain rank are listed below.

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