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There is 1 domain that have DNS TXT set to v=spf1 ip4:208.76.83.161 include:relay.mailchannels.net ip4:208.76.83.166 +a +mx +include:spf.protection.outlook.com -all.

Top Domains with TXT set to v=spf1 ip4:208.76.83.161 include:relay.mailchannels.net ip4:208.76.83.166 +a +mx +include:spf.protection.outlook.com -all