Domains with DNS TXT v=spf1 ip4:18.132.53.66 include:spf.protection.outlook.com include:relay.mailchannels.net -all

There are 9 domains that have DNS TXT set to v=spf1 ip4:18.132.53.66 include:spf.protection.outlook.com include:relay.mailchannels.net -all. The top 9 records ordered by domain rank are listed below.

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